Synology DS1825+ vs DS1821+ NAS Comparison – Get It Right, FIRST TIME!

When Synology releases a new NAS in its “Plus” lineup, users often expect a blend of practical improvements, long-term support, and a reasonable upgrade path from the previous generation. The Synology DS1825+ arrives in 2025 as the official successor to the 2020/2021-released DS1821+, carrying over much of the same core design while introducing selective enhancements—and a few contentious changes. Both are 8-bay desktop NAS systems targeted at advanced home users, small businesses, and content creators who need multi-user access, flexible RAID configurations, and extensive app support. However, while the DS1821+ was praised for its broad compatibility and modular connectivity, the DS1825+ adopts a more tightly controlled hardware ecosystem. In this comparison, we break down the key differences across hardware, ports, storage capabilities, DSM software features, and drive compatibility so you can decide which model truly fits your long-term needs—without second-guessing your choice later.

Synology DS1825+ vs DS1821+ NAS Comparison – Internal Hardware

At the center of both the Synology DS1821+ and DS1825+ is the AMD Ryzen V1500B processor, a 4-core, 8-thread embedded SoC with a 64-bit architecture and a base frequency of 2.2 GHz. This chip, built on the Zen architecture, offers a balance of power efficiency and multi-threaded performance suited for environments with simultaneous multi-user file access, virtual machines, and complex RAID configurations. Synology’s decision to retain the same processor in the DS1825+ reflects confidence in its reliability and capability. However, for users hoping for a jump to Zen 2 or Zen 3-based hardware, the lack of a CPU upgrade could be a disappointment—especially considering that competing vendors have started adopting newer architectures for their mid-range systems. Still, for typical NAS tasks that do not involve on-the-fly 4K video transcoding or GPU-heavy operations, the V1500B remains a stable and effective platform with AES-NI encryption support and virtualization compatibility across VMware, Hyper-V, and Docker workloads.

Thermal and power characteristics between the two systems remain largely consistent, with both featuring dual 120mm fans and an internal 250W PSU that can handle full drive loads with expansion units attached. The DS1821+ and DS1825+ are also nearly identical in physical size and structure, though the newer model has a slightly higher idle noise level—23.8 dB(A) versus 22.2 dB(A)—due to denser internal configuration and possibly fan speed curve adjustments. From an operational standpoint, the DS1825+ is marginally more power-efficient in idle states, consuming just 18.34W during HDD hibernation compared to 26.18W in the DS1821+. These marginal differences suggest a refinement in system tuning, although not a radical redesign. Overall, while the DS1825+ doesn’t revolutionize internal hardware, its doubled memory and subtle optimizations give it the edge for users planning to push DSM with multiple services or those who prefer an upgrade-free deployment experience.

Synology DS1825+ vs DS1821+ NAS Comparison – Ports and Connections

One of the most tangible areas of differentiation between the DS1821+ and DS1825+ lies in their external connectivity. The older DS1821+ is equipped with four 1GbE RJ-45 LAN ports, a familiar configuration that supports link aggregation and network redundancy. This setup was common in Synology’s mid-range lineup during its 2020–2022 releases, offering a total aggregated bandwidth of up to 4Gbps—assuming your switch infrastructure supports it. For many small business users, this array of ports provided simple flexibility: you could dedicate individual ports for different services or bond them for faster file transfers. However, in practice, 1GbE is increasingly becoming a limiting factor for modern workloads, especially in environments with large raw video files, database access, or multiple users performing high-speed backups.

Beyond networking, the DS1825+ introduces a notable change in expansion port design. The DS1821+ includes two eSATA ports for attaching Synology DX517 expansion units, which align with legacy expansion practices. In contrast, the DS1825+ replaces these with two USB-C-based expansion ports, designed specifically for use with the newer DX525 expansion units. While this doesn’t directly affect day-to-day operations, it signals a move toward a USB-based proprietary interface for future expansion, likely with more streamlined cabling and higher throughput potential. Additionally, the DS1825+ trims down from four USB 3.2 Gen 1 ports to three, a minor trade-off that may impact users with multiple USB-connected devices such as UPS units or backup drives. Still, for most users, the improved network and expansion standards make the DS1825+ more forward-looking, even if it reduces legacy connectivity options found on the DS1821+.

Synology DS1825+ vs DS1821+ NAS Comparison – Storage

Both the DS1821+ and DS1825+ offer eight front-facing SATA drive bays, supporting 3.5″ HDDs and 2.5″ SSDs, with hot-swappable trays for easy maintenance and upgrades. On the surface, storage capacity and configuration appear nearly identical: both models can scale up to 18 total drives using two Synology expansion units and support RAID levels including SHR, RAID 5, 6, and 10. This makes either system a viable choice for users with large datasets, whether for media, surveillance, or business-critical file hosting. However, subtle distinctions in how storage can be configured and expanded in each model make a significant difference over time.

Storage Feature	Synology DS1821+	Synology DS1825+
Drive Bays	8 × 3.5″/2.5″ SATA (hot-swappable)	8 × 3.5″/2.5″ SATA (hot-swappable)
Max Drive Bays (with Expansion)	18 (via 2 × DX517)	18 (via 2 × DX525)
M.2 NVMe Slots	2 × M.2 2280 (cache only, 3rd-party SSDs allowed)	2 × M.2 2280 (cache or storage pools, Synology-only SSDs)
Max Single Volume Size	108 TB	200 TB (requires 32 GB RAM)
Max Internal Volumes	64	32
Supported RAID Types	SHR, JBOD, RAID 0, 1, 5, 6, 10	SHR, JBOD, RAID 0, 1, 5, 6, 10
Third-Party HDD/SSD Support	Fully supported (with warnings)	Blocked at install/init if not verified
Storage Pool Creation with Unverified Drives	Allowed	Blocked
Storage Pool Expansion (Unverified Drives)	Supported	Blocked
RAID Recovery with Unverified Drives	Supported	Blocked
Hot Spare (Unverified Drives)	Supported	Blocked
Storage Manager Behavior (Unverified Drives)	Warnings shown, but system fully functional	Persistent alerts, some functions disabled

The DS1825+ supports storage pools using its two internal M.2 NVMe slots, something the DS1821+ does not. On the older model, those slots are limited strictly to SSD caching, and even then, Synology allowed users to use third-party NVMe drives for read/write acceleration. In the DS1825+, Synology enables users to form full storage pools using M.2 SSDs—but only if those SSDs are from Synology’s own SNV3400 or SNV3410 series. This adds flexibility in theory, especially for users interested in all-flash configurations or high-speed tiers, but restricts user choice in practice. The DS1821+ offers more freedom in selecting SSDs and hard drives, with only non-blocking warning messages when using unverified models, while the DS1825+ actively blocks storage pool creation and system initialization with unlisted drives.

This tightening of compatibility extends into pool expansion, RAID rebuilds, and even hot spare assignments. In the DS1821+, users could freely mix third-party drives and expand pools over time using available or similarly specced HDDs—even those not on the official compatibility list. The DS1825+ takes a stricter approach: attempts to initialize DSM with unverified HDDs will fail, and pool expansion or RAID recovery with unsupported drives is outright blocked. While existing volumes from older NAS systems can still be migrated and booted, they will trigger persistent compatibility warnings in DSM, often with degraded system health indicators. This shift may offer Synology more control over performance validation and support consistency, but it limits flexibility for users relying on diverse or existing storage media—making the DS1821+ a better option for those with a mix-and-match approach, and the DS1825+ more suitable for fully standardized Synology deployments.

Synology DS1825+ vs DS1821+ NAS Comparison – DSM Capabilities

Both the DS1821+ and DS1825+ are powered by Synology’s DiskStation Manager (DSM) 7.2 operating system, offering access to a rich suite of applications for file management, backup, surveillance, virtualization, and cloud syncing. Core tools such as Synology Drive and Synology Photos provide a private cloud alternative to services like Google Drive or Dropbox, while packages like Hyper Backup and Active Backup for Business enable full-system and client-based data protection strategies. These services run similarly on both systems, but hardware differences can influence practical performance. For example, the DS1825+ ships with 8 GB of ECC memory by default, making it more responsive when running multiple DSM apps in parallel—such as Snapshot Replication combined with Virtual Machine Manager and Drive Client Sync. In contrast, the DS1821+ ships with 4 GB of memory, which may require an upgrade before achieving similar multitasking fluidity, especially in environments with more than a few simultaneous users.

DSM Feature / Capability	Synology DS1821+	Synology DS1825+
DSM Version	DSM 7.2+	DSM 7.2+
Max Internal Volumes	64	32 ▼ Reduced
Max Single Volume Size	108 TB	200 TB (requires 32 GB RAM) ▲ Increased
Snapshot Replication	256 per shared folder / 4,096 total system snapshots	256 per shared folder / 4,096 total system snapshots
Virtual Machine Manager (VMM)	Up to 8 VM / Virtual DSM instances	Up to 8 VM / Virtual DSM instances
Surveillance Station	Up to 40 cameras / 4K / 1,200 FPS (H.265)	Up to 40 cameras / 4K / 1,200 FPS (H.265)
Synology Drive Users	Up to 110 users ▲ Higher	Up to 100 users ▼ Lower
Synology Office Users	Up to 110 concurrent users ▲ Higher	Up to 100 concurrent users ▼ Lower
Hybrid Share Folder Support	10	10
High Availability Support	Yes	Yes
RAID Recovery (with unverified drives)	Supported	Blocked
Hot Spare / Expansion (unverified drives)	Supported	Blocked
Storage Manager (Unverified Drives)	Warnings only, system fully functional	Persistent alerts, functions blocked
M.2 NVMe Storage Pools	Not supported	Supported (Synology NVMe SSDs only)
M.2 NVMe Caching with 3rd-party SSDs	Supported	Blocked
Protocols Supported	SMB1/2/3, NFSv3/v4, FTP, WebDAV, Rsync, iSCSI, HTTP/HTTPS, LDAP	SMB1/2/3, NFSv3/v4, FTP, WebDAV, Rsync, iSCSI, HTTP/HTTPS, LDAP

Differences emerge in how each system handles volume structure and scaling. The DS1821+ supports up to 64 internal volumes, giving it an advantage in deployments where users need to segregate workloads—for instance, separating surveillance footage, shared team folders, user home directories, and VM storage into distinct volumes for quota management and performance tuning. This flexibility makes the DS1821+ better suited for educational institutions or small business IT teams who manage multiple user groups and need clear storage separation. The DS1825+, on the other hand, limits internal volumes to 32 but increases the maximum single-volume size to 200 TB (with 32 GB RAM installed). This makes it better aligned with large, contiguous workloads like uncompressed 4K video editing archives, security footage retention for legal compliance, or massive CAD/CAM datasets—all of which benefit more from fewer, larger volumes than from numerous smaller ones.

Service limits within DSM also subtly differentiate the two models. The DS1821+ is rated for up to 110 concurrent users in Synology Drive and Office, whereas the DS1825+ recommends a slightly lower threshold of 100 users. While the difference is marginal, it may reflect the DS1825+’s tighter memory tuning or more restrictive compatibility model, which now relies on verified Synology storage media for optimal performance. For example, in environments running Synology Office with real-time collaborative editing—paired with Drive, MailPlus, and external file sharing through WebDAV—the DS1821+ might offer more flexibility when loaded with third-party high-performance SSDs for caching. The DS1825+, restricted to Synology’s own SNV3400/3410 NVMe drives, demands tighter ecosystem compliance, which could affect responsiveness if storage performance becomes a bottleneck. Nonetheless, both models offer full support for advanced DSM modules like Synology High Availability, SAN Manager, and Hybrid Share, ensuring that users deploying in mission-critical environments still have access to the high-availability and hybrid cloud features that define Synology’s enterprise-ready platform.

Synology DS1825+ vs DS1821+ NAS Comparison – Conclusion

Choosing between the Synology DS1825+ and DS1821+ comes down to whether you prioritize modern hardware refinements or broader long-term flexibility. The DS1825+ introduces subtle but meaningful upgrades: faster 2.5GbE connectivity, double the base memory, and NVMe storage pool support—features that clearly position it as the more forward-thinking choice for users committed to staying within the Synology ecosystem. However, these improvements come with tighter restrictions, most notably in its rigid drive compatibility policy. DSM cannot be installed unless only Synology-verified drives are used, and the system actively blocks unverified drives from being used in storage pools, RAID rebuilds, or even hot spare configurations. In contrast, the DS1821+ offers more freedom—supporting a wider range of HDDs and SSDs, allowing RAID recovery and expansion with non-Synology drives, and presenting a cleaner, less obstructive DSM experience when migrating from older hardware. While it may lack the newer model’s out-of-the-box performance gains, its open-ended architecture gives users—especially those with legacy drives or mixed environments—more breathing room. For users building a NAS from scratch and willing to adopt Synology’s closed hardware ecosystem, the DS1825+ is a capable and streamlined solution. But for those looking to extend the life of existing hardware or retain control over their storage media choices, the DS1821+ remains the more versatile and user-friendly option.

Aspect	Synology DS1821+	Synology DS1825+
Pros	– Full support for 3rd-party drives (HDDs & SSDs)	– Higher default RAM (8 GB ECC pre-installed)
	– Supports RAID recovery, expansion, and hot spares with unverified drives	– 2.5GbE networking (faster out-of-the-box performance)
	– More flexible for DIY and legacy system migrations	– NVMe storage pool support (Synology SSDs only)
	– Supports more internal volumes (up to 64)	– USB-C expansion ports with newer DX525 units
	– Better choice for mixed-brand or cost-conscious deployments	– Improved volume scaling (up to 200TB per volume with RAM upgrade)
Cons	– Older network setup (1GbE x4, slower unless aggregated)	– Strict drive compatibility enforcement (Synology-only drives required)
	– No NVMe storage pool support	– Blocks DSM install with unverified drives
	– Lower default memory (4 GB, upgrade likely needed for advanced workloads)	– Fewer internal volumes supported (32 max)
		– Persistent system warnings when migrating existing arrays with non-Synology drives
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UniFi New NAS Rumours – Everything We Know

Duing the UniFi World Conference event (the UWC 2025 expo event that took place in several places around the world over a week in May) the brand took the opportunity to share a huge amount of information about their roadmap for hardware and software in 2025 (and 2026!) and although there was a lot of information about cameras, switches, integrations and improvements – the big, BIG detail that emerged that got my attention was that the UNAS series of NAS devices is rumoured to be getting several portfolio additions over the course of the next 18+ Months! All of this was seemingly shared behind closed doors, with photography and video prohibited during the presentations (with choice projects by the brand like these limited to keynote ‘on stage’ presentations) and not available for general access and sharing on the show floor.

However, ALOT of the information shared was then discussed at length on forums and community sites across the internet (unsurprisingly predominantly on Reddit more than most – shocker I know). Because of this, we have a great deal of rumoured, shared and near-confirmed information about what the brand is planning for the soon to be growing UNAS series of devices – including a potentially dedicated M.2 NVMe SSD flash devices, Enterprise grade ZFS Rackmount system (XG NAS?) and even more entry level desktop solutions in 2 and 4 Bay SATA.

There is a lot to get to and I think we will likely see granular and gradual updates to all of these solutions as time wears on, so I wanted to create this article to add shared info and leaks as they appear online. You can get notifications and alerts on this page by subscribing at the bottom of the article.

IMPORTANT – Regardless of how solid/rumoured any of the UniFi UNAS systems that are detailed on this page are – do NOT be complacent about your data and backups! If you need a backup solution right now/soon, do not ‘hold out’ for these devices, as no device will ever be worth the danger of your data being lost (power lose resulting in a raid failure, data corruption, accidental deletion..need I go on?). So, if you like the sound of UniFi and their products, and the UNAS from UniFi sounds like it meets your needs, it is still available RIGHT NOW for just $499 HERE – It is a 7x SATA Half-Depth Rackmout NAS with 10GbE and a comprehensive data management software in UniFi Drive. You can watch my review HERE and my 6 Months Later update on it HERE.

Here is a list of Sources on Reddit that detail what was observed at Unifi World Conference 2025 with regard to Network Attached Storage:

Which UniFi UNAS Devices Are Rumoured for 2025 and 2026?

16th June 2025 Updated

Below are the details we know so far (some details need further verification and confirmation, indicated appropriately) that we are aware of so far. Keep in mind (IMPORTANT) that these drives are massively ‘TBC’, so alongside potential name changes it is also possible that they may not arrive at all – as UniFi might change their mind based on market research about the need for a given device! Additionally, sometimes information online is contradictory to other information (eg the larger and smaller scale NAS system and a potential Pro XG system might well be the same device!), so do not treat this information as set in stone! Let’s break down each entry:

>>>>> IMPORTANT – IMAGES FOR GUIDANCE ONLY <<<<<

2 Bay Entry-Level HDD NAS

The UNAS Pro, although popular, is none the less quite large for much smaller user deployments – so if UniFi was to really stretch it’s muscles into the world of NAS, it would come as no surprise that they would provide more entry/small-footprint devices. So, the oft mentioned 2 Bay UNAS would be desirable, but also UniFi’s most compact HDD system to date, targeting home and SOHO users looking for simple backup or file-sharing functionality. No confirmation or detail on the shared information on the hardware profile (one can imagine an ARM base and 2-4GB of memory – but it’s all very ‘TBC’) and 2.5GbE connectivity. 2 drives would give precious little bandwidth for 10GbE to even be worth the time of day, even with SATA SSDs.

Specification	Details
Bays	2 x 3.5” HDD
Storage Type	SATA HDD
Software	UniFi Drive 3.0
Features	Entry-level NAS, ideal for backups
Status	Confirmed Seen at UWC2025
Source(s)	Source 1, Source 3

An NVMe SSD NAS dedicated NAS for Creative Workflows

This proposed SSD focused NAS moves away from spinning disks in favor of M.2 NVMe SSD slots, focusing on silent, high-performance workflows for media creators or prosumers. This compact unit maintains a passive cooling design and leverages Drive 3.0’s new dynamic storage pool system to balance protection and performance. It’s intended for those needing faster I/O than HDDs can provide without the size or noise of a rackmount. if this ends up coming out, is would be INCREDIBLY popular (given M.2 SSD prices are now only around 2x more than HDD, with a 4TB M.2 NVMe SSD in both Gen3 and Gen4 hitting just $200+, and WD Red and Seagate Ironwolf 4TB HDDs around the $89-99 mark)

Specification	Details
Bays	Unknown – Possibly 4x M.2 NVMe
Storage Type	PCIe SSD (M.2)
Software	UniFi Drive 3.0 (NVMe pool optimization)
Features	High-performance SSD storage, silent design
Status	Confirmed Seen at UWC 2025
Source(s)	Source 1, Source 3

4 Bay Desktop-Grade HDD NAS

This would deliver a more durable 4-bay solution with a desktop form factor, designed for small business environments or tech-savvy users. It combines the flexibility of 3.5″ HDDs with the enhanced features of UniFi Drive 3.0, including smarter snapshots and storage pools. Compared to the standard UNAS 2-bay discussed solution, this model would offer better RAID options, as well as performance potential (even in a RAID 5). Nevertheless, if/when this comes around, expect modest hardware under the hood!.

Specification	Details
Bays	4 x 3.5” HDD
Storage Type	SATA HDD
Cooling	Active fan (almost certainly!)
Software	UniFi Drive 3.0
Features	Mid-range performance, desktop NAS
Status	Confirmed Seen at UWC 2025
Source(s)	Source 1, Source 3

A ‘Proper’ 4 Bay and 8 Bay Rackmount NAS

Alongside the already released 7 Bay UNAS Pro, there is talk of a 4 Bay and 8-bay rackmount NAS aimed at larger deployments such as offices, branch networks, or video surveillance environments as a storage target for UniFi Portect perhaps. Built to handle RAID 6 (rolling ut in the latest UniFi NAS OS and Drive updates) and large-scale storage pools, it includes business-class hardware for redundancy and expandability. Its release aligns with Ubiquiti’s push into more scalable data solutions under the UniFi Drive 3.0 future framework.

Specification	Details
Bays	4 and 8 x 3.5” HDD
Storage Type	SATA HDD
Cooling	Likely Dual fan or rack-grade cooling
Software	UniFi Drive 3.0
Features	RAID 6 support
Status	Confirmed, Seen at UWC 2025
Source(s)	Source 1, Source 3

An Enterprise ZFS Appliance – THIS IS WHERE IT GETS GOOD!

Although the existing UNAS Pro NAS system runs on an BTRFS foundation, there was multiple references and rumours to UniFi’s first foray into ZFS-based NAS systems and appears to be targeted at enterprise environments requiring snapshot-based backup, inline compression, and greater control over storage topology. Very few hardware specifics have been shared, and it is unclear whether this is a completely separate physical unit or a software SKU atop a Pro-series device. I will be interested to see if, if this arrives, how they will migrate the existing UNAS/Drive/NAS OS appliances onto this ZFS base – as well as whether it will benefit from the inline and native performance/integrity benefits of ZFS!

Specification	Details
Bays	TBD
Storage Type	ZFS pools (likely mixed HDD/SSD)
Cooling	Likely 2 stage rackmount active cooling
Software	ZFS OS (Unconfirmed re:UniFi Drive 3.0)
Features	Snapshots, compression, enterprise storage, in-line ZFS benefits
Status	Confirmed (via software roadmap) at UWC 2025
Source(s)	Source 3, Source 4

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Does the Orico Cyberdata Vault CF56 and CF56 Pro Deserve Your Data?

IMPORTANT – This is a review of two early prototypes of the Orico Cyberdata Vault NAS devices that will be launching on crowdfunding in July, and likely will see improvement and optimization as time and development continue. I provide this rolling/dynamic review as an indication of what the system is aiming fo ran a full and detailed review of the final product will arrive much closer to launch.

The Orico CyberData Vault CF56 and CF56 Pro NAS systems are part of a newly developed six-model lineup that will be launched via Kickstarter, aimed squarely at prosumers, media professionals, and small business environments in need of hybrid local storage with higher bandwidth connectivity and ZFS support. Both systems are built around the same chassis design but differ significantly in internal capabilities: the CF56 features an Intel Core i3-N305 processor (8-core, 8-thread), while the CF56 Pro steps up to an Intel Core i5-1240P (12-core, 16-thread). The units combine traditional 3.5-inch HDD storage (five bays) with six M.2 NVMe SSD slots for caching or tiered storage configurations, housed within a structure that offers magnetic access panels and multi-zone active cooling.

These models also introduce Orico’s new CyberData OS, a ZFS-based operating system featuring snapshots, real-time media indexing, and AI photo recognition—although in its current form it remains incomplete and in early development. With features such as dual 10GbE on the Pro model, USB4 connectivity, and flexible expansion via a GPU dock or RAID cabinet, these NAS systems reflect Orico’s shift from accessory brand to full-scale storage solution provider. While still prototype units, the CF56 and CF56 Pro demonstrate hardware ambition aligned with recent trends in semi-professional NAS design, echoing earlier moves from competitors like UGREEN, Aoostar, and Minisforum.

Orico Cyberdata Vault Review – Quick Conclusion

The Orico CF56 and CF56 Pro offer a promising blend of modern hardware, hybrid storage design, and ZFS-based data protection aimed at prosumers and small creative teams seeking high-speed, subscription-free private cloud solutions. With a total of five 3.5” HDD bays and six M.2 NVMe SSD slots, both units provide considerable flexibility for building tiered or cache-accelerated storage environments, while their use of efficient Intel processors—the N305 in the CF56 and the more powerful i5-1240P in the Pro—positions them for a wide range of workflows from basic file serving to heavier tasks like 8K transcoding, Docker hosting, and AI media indexing. The CF56 Pro, in particular, stands out with its dual 10GbE networking, USB4 ports, GPU dock support, and multi-zone cooling—placing it closer to workstation-class NAS territory. However, both models are currently limited by the early state of their CyberData OS software, which, while promising in features like snapshots, AI recognition, and mobile integration, suffers from missing essentials such as two-factor authentication, a complete app ecosystem, and consistent language localization. Performance results also reflect this unfinished software layer, with SMB transfer speeds and transcoding performance falling short of the hardware’s full potential. Concerns like elevated NVMe temperatures on the Pro model and the lack of ECC memory support—despite ZFS being the default file system—underscore the need for careful expectations among more advanced users. Nonetheless, as hardware platforms, the CF56 and CF56 Pro are well-designed and competitive, particularly if Orico can deliver on its planned optimizations and enhancements by the time of full release.

BUILD QUALITY - 8/10

HARDWARE - 8/10

PERFORMANCE - 7/10

PRICE - 8/10

VALUE - 8/10

7.8

PROS

Hybrid storage: 5x HDD + 6x M.2 NVMe SSD (flexible ZFS configurations)
Dual 10GbE on CF56 Pro for high-speed networking
Modern CPUs: Efficient N305 and powerful i5-1240P
Expandability via GPU dock (CF56 Pro only) and USB4 RAID cabinet
Up to 64GB DDR5 RAM with dual-channel (CF56 Pro)
Multi-zone active cooling and manual fan profiles
HDMI + DisplayPort output with 4K/8K support
Integrated AI media management and Docker support

CONS

No ECC memory support
USB4 ports lack network-over-USB functionality (Coming Later Apparently)
Early firmware lacks optimization (e.g. SMB transfer speeds)
CyberData OS lacks two-factor authentication and app store currently
Top NVMe region on CF56 Pro runs hot under load (80°C) on this protoype
Localization/UI inconsistencies in current OS build (still pre-launch) and Software still in development; not final at time of review
Crowdfunding is Not For Everyone

Orico Cyberdata Vault Review – Design

The exterior design of the CF56 and CF56 Pro is clearly built around practical serviceability and visual minimalism, with both devices using a shared chassis that prioritizes easy access to internal components. The most distinctive feature is the magnetic front panel, which is removable without tools and serves both an aesthetic and functional purpose. This panel provides ventilation along the sides and top edges, as well as system information through onboard LED indicators.

Behind it, the five 3.5-inch drive bays are arranged vertically on a dedicated SATA backplane, pre-wired for direct access to the internal storage controller. This layout streamlines maintenance and makes drive replacement relatively simple, although hot-swap capability has not been officially confirmed in the prototype documentation.

Above the HDD area, users will find four top-facing M.2 NVMe SSD slots located beneath a secondary magnetic lid, which includes a washable mesh dust filter. This dual-layered design gives quick tool-less access to the upper SSDs, and the system provides enough internal clearance to accommodate full-height heatsinks.

Underneath the chassis are two additional M.2 NVMe slots, accessed by removing the base plate, which is secured with standard screws. Combined, this provides a total of six M.2 bays, enabling hybrid storage setups where SSDs can be allocated for cache, metadata pools, or as part of a tiered ZFS configuration. While the layout appears consistent across both models, there are minor internal structural differences, especially in the power and thermals between the N305 and i5 variants.

Build quality varies slightly depending on perspective. The chassis exterior is predominantly plastic for reduced weight and cost, but the internal structure—such as drive cages, shielding, and board mounting points—is fully metal, contributing to better durability and heat dissipation.

Ventilation is managed by a single large rear fan, with the Pro variant including additional improvements in thermal zoning. Noise levels remained within reasonable limits during testing, with the CF56 model averaging 29–31 dBA in quiet mode and the CF56 Pro rising to 46–47 dBA under full load. This suggests that although the design is visually consistent, thermal demands increase substantially with the i5-1240P model under sustained workloads or dense NVMe configurations.

One notable design concern relates to the temperature observed in the upper M.2 bay region of the CF56 Pro. During extended stress testing, the top section of the chassis reached temperatures close to 80°C, prompting early correspondence with Orico about hardware revision plans. According to the brand, this issue has already led to a second- and third-generation PCB redesign, aiming to reduce thermal concentration around the CPU and top NVMe slots. It’s expected that the final retail revision of the CF56 Pro will include enhanced heat dissipation features in that area, potentially including better ventilation cutouts or redesigned passive cooling components on the board level.

Lastly, the system’s approach to internal power delivery differs subtly between models. Both the CF56 and CF56 Pro use an external PSU that connects via a barrel plug, but the wattage and thermal ceiling requirements are significantly higher on the Pro due to its 12-core CPU and expanded 10GbE networking. These differences also manifest in fan curve behavior and system-wide power consumption. Under light but active load (including live network activity and idle CPU), the CF56 consumed around 45–46W. In contrast, the CF56 Pro peaked at 79–81W during 8K transcoding and full NVMe/HDD population. This further emphasizes how both models share a common enclosure but diverge internally to meet their respective performance tiers.

Orico Cyberdata Vault Review – Internal Hardware

Internally, the CF56 and CF56 Pro share a similar board layout, but the differences in their processors define the target use case and overall capabilities of each unit. The CF56 is powered by the Intel Core i3-N305, an energy-efficient 8-core/8-thread processor based on the Gracemont architecture. This CPU is commonly used in fanless mini PCs and excels in multi-threaded workloads at low power consumption, making it suitable for light-to-moderate NAS tasks such as SMB file serving, local backups, Docker containers, and light Plex usage. Meanwhile, the CF56 Pro features the Intel Core i5-1240P, a significantly more powerful 12-core/16-thread processor with four performance cores and eight efficiency cores. This hybrid architecture provides greater burst throughput and a better foundation for AI-enhanced services, real-time media indexing, and virtualization tasks.

Both systems come with DDR5 memory pre-installed—16GB in the prototype units—but with different slot configurations. The CF56 includes a single DDR5 SO-DIMM slot, limiting it to a maximum of 32GB of memory and restricting dual-channel capability. In contrast, the CF56 Pro includes two SO-DIMM slots, supporting up to 64GB DDR5 and enabling dual-channel operation, which offers a notable performance uplift in workloads such as memory-intensive VMs or media databases. However, ECC memory is not supported on either model, due to both CPUs lacking ECC validation. This may concern users intending to rely on ZFS for mission-critical operations, as ECC is typically recommended in those scenarios to prevent silent data corruption.

Storage throughput is also heavily influenced by the PCIe lane allocation on each model. In the CF56, all six M.2 NVMe SSD slots operate on Gen 3 lanes, with those on the top four slots running at PCIe 3.0 x1 speeds and the bottom two reaching PCIe 3.0 x4. While this limits maximum per-slot bandwidth to around 1 GB/s on the upper four, it allows for cost-effective use of Gen 3 drives, which remain widely available and affordable. The CF56 Pro offers higher total bandwidth, with its top four M.2 slots upgraded to PCIe 3.0 x2, and the bottom two retaining PCIe 3.0 x4. Despite the i5-1240P supporting Gen 4 PCIe, Orico appears to have intentionally limited all M.2 slots to Gen 3 to manage thermals and ensure system stability under prolonged load.

An unexpected discovery during prototype testing revealed a possible seventh internal M.2 slot in the CF56 Pro, presumed to host the system boot drive or be reserved for future expansion. However, due to the lack of SSH access in the prototype firmware, further validation was not possible at the time of recording.

Regardless, the six main M.2 slots and five SATA drive bays offer ample storage configurability, especially when paired with the ZFS features of CyberData OS. System cooling, power delivery, and memory configuration all reflect Orico’s attempt to match their component selection with real-world use cases—balancing between hardware headroom, affordability, and the needs of semi-professional users handling mixed media workflows.

Orico Cyberdata Vault Review – Ports and Connections

The CF56 and CF56 Pro both offer a broad selection of ports, but the Pro model significantly extends external connectivity, particularly in terms of networking and high-speed data interfaces. On the CF56, the rear I/O includes a standard 2.5GbE LAN port alongside a single 10GbE RJ45 connection, suitable for most users looking to transfer large media files or operate light virtual environments. The CF56 Pro upgrades this to two dedicated 10GbE ports, allowing for simultaneous high-throughput tasks or link aggregation configurations. This networking setup makes the Pro variant especially attractive for multi-user environments, such as small studios, where heavy media file access and backups may occur concurrently across devices.

Both models include a similar array of USB ports on the rear and front panels. This consists of two USB 3.2 Gen 2 ports for high-speed peripheral or DAS connectivity, and two legacy USB 2.0 ports suitable for input devices or basic accessories. The CF56 Pro goes a step further by incorporating dual USB4 ports—though in testing, these were not available for direct network interface (as is possible on some modern NAS with Thunderbolt or USB-C network tunneling), but functioned as general-purpose USB interfaces. According to Orico, future firmware revisions may unlock additional functionality, but as of the current prototype, USB4 is primarily used for connecting high-speed external drives or expansion units.

Video output is supported across both systems, which include an HDMI 2.0 port and a DisplayPort 1.4 connection on the CF56, and upgraded HDMI 2.1 and DisplayPort 1.4a outputs on the CF56 Pro. These allow users to output up to 8K display resolution, enabling the NAS to function as a lightweight desktop, digital signage server, or direct-play multimedia center. Integration with CyberData OS supports media playback and basic interface control over HDMI, though there are some limitations in UI optimization for direct screen navigation, especially in the current prototype firmware. Still, the availability of dual video outputs on both models reflects a growing trend in hybrid NAS/HTPC design.

Power input is provided via a barrel connector on both models, though the CF56 Pro uses a higher-wattage external PSU due to the increased demands of its CPU and dual 10GbE networking. Internal power distribution appears to be cleanly handled, and the systems remained electrically stable during tests. One area of future interest will be how Orico handles expandability. While Thunderbolt or USB4-based RAID cabinets are planned for the series, support was not fully implemented in the prototype stage. GPU dock support is also present only on the larger devices in the product family, leveraging the i5’s PCIe expansion capability for dedicated GPU tasks such as video rendering, AI inference, or VM acceleration.

Orico Cyberdata Vault Review – Performance, Heat and Power Tests

Initial performance evaluations of the CF56 and CF56 Pro revealed that while the underlying hardware is capable, real-world throughput is currently constrained by early-stage software optimization. During SMB file transfer testing over 10GbE, both models struggled to reach expected performance levels, with the CF56 averaging below 500 MB/s and the CF56 Pro rarely breaking 1 GB/s, even under favorable conditions. Orico acknowledged this limitation and confirmed that software-level optimization was ongoing. As such, these figures should be treated as provisional and not reflective of the final product performance. In both models, ZFS was used as the underlying file system, configured in a hybrid tiered setup with HDDs for capacity and NVMe for metadata and caching.

Transcoding tests were particularly revealing of the CPU differences between the models. The CF56 managed basic 1080p and some 4K H.265 transcodes via software decoding, but exhibited signs of strain under higher bitrates or simultaneous streams. In contrast, the CF56 Pro with its i5-1240P processor handled up to eight 8K transcodes concurrently during one benchmark, maintaining responsiveness while CPU usage hovered around 30%. Despite this impressive processing ability, peak system power draw climbed to 81W, highlighting the thermal and energy trade-offs required for sustained performance. Notably, neither system offers hardware transcoding via Intel Quick Sync, as support for it was not accessible in the current CyberData OS build.

Thermal management remained mostly acceptable, though not without concern on the CF56 Pro. Under stress, the top M.2 bay area reached 80°C, and while no thermal throttling occurred, prolonged exposure could reduce SSD lifespan or stability. Orico responded that this issue was already being addressed through a revised internal board layout and enhanced venting. The CF56 maintained lower temperatures during the same tests, remaining between 38–46°C under average usage. The difference is largely attributable to the lower TDP of the N305 CPU and reduced overall system throughput, which in turn generated less heat throughout the chassis.

Noise levels were measured in all three fan modes (Quiet, Standard, and Turbo) to assess usability in home or small office settings. In Quiet mode, the CF56 registered 29–31 dBA, making it suitable for desktop deployment or living room environments. The CF56 Pro remained silent under light use, but escalated to 46–47 dBA under Turbo mode, with fan noise becoming noticeably audible. Most of the ambient sound during low to moderate use came from HDD activity, rather than the cooling fans. The OS includes manual fan control and profile scheduling, allowing users to balance performance and acoustics based on workload and time of day.

Orico Cyberdata Vault Review – Software and Services

The desktop client software included with the Orico CF56 and CF56 Pro NAS systems is built on fnOS, a closed-source NAS operating system developed in China and increasingly licensed by various hardware brands. In its current state, the desktop interface provides access to all core storage functions, including RAID management, user permissions, snapshot control, and file operations, but it clearly reflects a system still undergoing development.

While the application is responsive and offers real-time monitoring of CPU, memory, and storage activity, it lacks polish in both design layout and localization. Several UI elements remain inconsistently translated, and some modules—such as the multimedia suite and AI functions—exhibit a mixture of English and untranslated Chinese text even when the system language is set to English.

Functionally, the OS supports the major protocols expected from a ZFS-based platform, including SMB, NFS, FTP, and Time Machine backup for macOS. File-level encryption, inline deduplication, and snapshot creation are all available within the storage management interface, with options for cache acceleration using the M.2 NVMe drives.

However, the absence of certain administrative features—most notably two-factor authentication, SSH access, and a dedicated app store—limits its appeal for security-conscious users or those looking to expand functionality via community-developed tools.

The system does include Docker support with a container manager interface, but VM deployment and third-party service integration (e.g., Plex, Jellyfin) are currently unavailable or not pre-installed.

The file management system in the desktop client is functional but basic, offering drag-and-drop file operations, preview support for common file types, and options for setting sharing permissions. Remote access features rely on a relay service provided by Orico, and while this worked reliably during testing, there was no visible option for configuring custom domain access, HTTPS certificates, or firewall profiles—features typically expected in more mature NAS operating systems.

Some of the advanced AI features, such as facial recognition and semantic photo tagging, are accessible through this desktop interface, but their functionality is inconsistent due to metadata scraping issues and interface reliability.

On the mobile side, the fnOS-derived application shows greater completeness. The Android client used during testing allowed for quick setup, user management, remote file access, and snapshot control. Photo and video libraries are indexed automatically and presented with timeline views, location tags, and album sorting. The app also supports real-time uploads, camera roll backups, and basic editing metadata tagging.

AI recognition features such as object detection and face grouping are available, although semantic search accuracy remains mixed.

Remote control of HDMI playback from the phone is supported, allowing content streaming directly to a connected display, but the controls remain basic and lack the refinement of dedicated media remote interfaces.

Overall, while the mobile app appears more polished and covers most core user needs, both desktop and mobile software clients reflect a platform that is not yet feature-complete. The reliance on fnOS gives Orico a functional foundation with native ZFS support and UI consistency across devices, but the closed nature of the system, combined with the lack of extensibility and incomplete localization, may limit its immediate appeal outside of its domestic market.

If Orico follows through on promised optimizations and expands the software stack with a proper app ecosystem and advanced security controls, the platform could become more viable in international NAS markets. Until then, the software should be considered a work-in-progress that supports basic NAS tasks but may fall short for more demanding or technical deployments.

Orico Cyberdata Vault Review – Verdict and Conclusion

The Orico CF56 and CF56 Pro represent a calculated step into the semi-professional NAS market by a brand historically known for accessories and external storage enclosures. By leveraging Intel’s N305 and i5-1240P processors, DDR5 memory, and a mix of HDD and NVMe storage options, Orico offers a compelling hardware platform on both models—especially in terms of expandability and bandwidth potential. The CF56 is well-suited for users who require reliable local storage with some containerization and light media usage, while the CF56 Pro pushes into territory typically occupied by entry-level rackmounts or high-end desktop NAS systems, thanks to its dual 10GbE ports, USB4 support, and improved thermal zoning. While the lack of ECC memory may deter more cautious enterprise buyers, most of the design trade-offs appear intentional and aligned with prosumer priorities.

That said, both units remain in a pre-release state at the time of writing, and their software platform—CyberData OS—is clearly still under development. While the ZFS integration, AI media indexing, and snapshot management show promise, issues such as language inconsistencies, incomplete feature sets, and missing essentials like two-factor authentication may limit early adoption. File transfer and multimedia performance also require further optimization, with current speeds falling short of the hardware’s capabilities. As prototypes, the CF56 and CF56 Pro demonstrate strong hardware foundations, and if the OS matures as expected by launch, these units could become legitimate alternatives to mainstream NAS systems in the increasingly crowded hybrid storage space.

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Synology DS1525+ vs DS1522+ NAS Comparison – Get It Right, FIRST TIME!

With the arrival of the Synology DS1525+ in 2025, many users are now weighing it against its immediate predecessor, the DS1522+, released in 2022. On the surface, both NAS units share the same 5-bay form factor, nearly identical chassis design, and very similar price points—typically between $699 and $799 at launch. However, a deeper dive reveals a number of meaningful changes in hardware resources, storage expansion policies, and how Synology now handles drive compatibility and system flexibility. While the DS1525+ does offer better networking and CPU core count, it also introduces tighter restrictions on what drives can be used, how storage pools are formed, and what options are available to users looking to migrate data from older systems. By contrast, the DS1522+ retains a far more open approach to hardware, offering greater freedom for enthusiasts and IT professionals. In this article, we’ll break down the internal hardware, ports, storage support, DSM software capabilities, and system behavior of these two NAS systems—giving you the context you need to make the right decision the first time, and avoid buyer’s regret later.

Synology DS1525+ vs DS1522+ NAS Comparison – Internal Hardware

The most noticeable hardware difference between the DS1525+ and DS1522+ lies in their processors. The DS1522+ is powered by a dual-core AMD Ryzen R1600 CPU, which operates at a base frequency of 2.6 GHz and can boost up to 3.1 GHz. This chip delivers strong single-threaded performance and is very power efficient, making it well-suited for environments where tasks are sequential or lightly parallelized—such as SMB file sharing, surveillance, or general-purpose storage. The DS1525+, in contrast, uses a quad-core AMD Ryzen V1500B processor running at a fixed 2.2 GHz. While it lacks boost frequency, the additional cores and threads make it the more capable option for multitasking-intensive DSM deployments. Workloads like hosting multiple Docker containers, running several VMs, or operating high-volume backup jobs are handled more smoothly by the V1500B thanks to its stronger concurrent throughput. While synthetic benchmarks might show the R1600 ahead in single-threaded operations, in day-to-day NAS usage, the V1500B’s multitasking benefits are more relevant—particularly for users aiming to centralize many services on one box.

Synology DS1525+ vs DS1522+ NAS Comparison – Ports and Connections

The differences between the DS1525+ and DS1522+ become more apparent when examining their networking and expansion connectivity. The DS1522+ is equipped with four 1GbE RJ-45 LAN ports, which support link aggregation for up to 4 Gbps combined bandwidth when used with a managed switch. This configuration provides solid redundancy and flexible port allocation, especially for environments where isolating traffic across different services (e.g., backups, media, surveillance) is desirable. However, in 2024 and beyond, 1GbE is increasingly viewed as a bottleneck—particularly for users working with 4K video editing, large VM images, or fast local backups. The DS1525+ addresses this issue by shifting to 2 × 2.5GbE RJ-45 LAN ports, allowing up to 5 Gbps total bandwidth through link aggregation, and faster speeds on a per-connection basis, even when using unmanaged 2.5GbE switches that are now more common and affordable. This change aligns the DS1525+ with modern mid-tier NAS expectations and offers improved real-world performance, especially for multi-user workloads and high-speed transfers from SSD caches or NVMe pools.

Feature	Synology DS1522+	Synology DS1525+
LAN Ports	4 × 1GbE RJ-45	2 × 2.5GbE RJ-45
Link Aggregation / Failover	Yes	Yes
USB Ports	2 × USB 3.2 Gen 1	2 × USB 3.2 Gen 1
Expansion Ports	2 × eSATA (for DX517)	2 × USB Type-C (for DX525)
PCIe Slot	1 × PCIe Gen3 x2 (for 10GbE upgrade)	1 × PCIe Gen3 x2 (for 10GbE upgrade)
Wake on LAN / WAN	Yes	Yes
Scheduled Power On / Off	Yes	Yes
Hot-Swappable Drive Bays	5 × SATA HDD/SSD (M.2 not hot-swappable)	5 × SATA HDD/SSD (M.2 not hot-swappable)
M.2 NVMe Slots	2 × M.2 2280 (cache only, 3rd-party SSDs supported)	2 × M.2 2280 (cache and storage, Synology SSDs only)
Expansion Compatibility	DX517 (eSATA interface)	DX525 (USB-C interface)

In terms of USB connectivity, both models include two USB 3.2 Gen 1 ports, suitable for attaching external drives, UPS units, or compatible USB printers. These ports remain unchanged between models and offer no direct performance advantage to either system. Where the expansion capability does change significantly is in the port type for connecting additional storage enclosures. The DS1522+ includes two eSATA ports, allowing it to connect up to two DX517 expansion units, adding 10 more drive bays. The DS1525+, however, replaces these with two USB Type-C expansion ports, which interface with the newer DX525 expansion units. While the overall expansion capacity remains the same (15 total bays), the move to USB-C reflects a generational shift in Synology’s design language. USB-C may offer slightly more flexible cable routing and future-proofing, but it also introduces a hard cutoff between older and newer ecosystems. For users with existing DX517s or other eSATA-based gear, this limits backwards compatibility and locks the DS1525+ into the latest hardware infrastructure.

Additionally, both units include a PCIe Gen3 x2 slot for optional 10GbE network upgrades. Synology’s E10G22-T1-Mini card is supported on both models and provides a compact, cost-effective way to future-proof network performance. However, given the DS1525+ already starts with 2.5GbE, users may find less urgency to upgrade immediately compared to the DS1522+, where a 10GbE card may be needed sooner to break past 1GbE limitations. Both models support Wake-on-LAN and scheduled power events, and both feature dual rear fans for effective cooling regardless of network traffic or drive load. From a connectivity standpoint, the DS1525+ represents a forward step toward higher-speed networking and modern expansion methods—but it does so at the cost of legacy compatibility, which may matter for users with established infrastructure. In contrast, the DS1522+ offers broader port coverage and flexibility but risks becoming dated more quickly in high-throughput environments.

Synology DS1525+ vs DS1522+ NAS Comparison – Storage

At first glance, storage capacity and physical layout appear virtually identical between the DS1525+ and DS1522+. Both systems offer five main drive bays that support 3.5″ SATA HDDs and 2.5″ SATA SSDs, as well as two M.2 NVMe SSD slots for caching or, in the case of the DS1525+, full storage pool creation. Each NAS can be expanded up to a total of 15 bays using two proprietary Synology expansion units (DX517 for the DS1522+, DX525 for the DS1525+), enabling up to 240 TB of raw storage assuming maximum capacity drives. However, a major divergence emerges when we examine drive compatibility policies. The DS1522+ follows Synology’s older, more permissive approach: users may install third-party drives from brands like Seagate, Western Digital, or Toshiba with only warning messages shown during setup. Storage pools, RAID arrays, and DSM installation all proceed without functional restrictions, making it a flexible platform for users with existing drives or cost-sensitive deployments.

Storage Feature	Synology DS1522+	Synology DS1525+
Drive Bays	5 × 3.5″/2.5″ SATA HDD/SSD (Hot-swappable)	5 × 3.5″/2.5″ SATA HDD/SSD (Hot-swappable)
M.2 NVMe Slots	2 × M.2 2280 (Cache only, 3rd-party SSDs allowed)	2 × M.2 2280 (Cache & Storage Pool, Synology SSDs only)
Maximum Drive Bays (with Expansion)	15 (with 2 × DX517 via eSATA)	15 (with 2 × DX525 via USB-C)
Supported RAID Types	SHR, Basic, JBOD, RAID 0/1/5/6/10	SHR, Basic, JBOD, RAID 0/1/5/6/10
Max Internal Volumes	64	32
Max Volume Size	108 TB	200 TB (requires 32 GB RAM)
NVMe Storage Pool Support	Not supported	Supported (Synology SNV drives only)
3rd-Party Drive Support	Fully supported (with warnings)	Blocked (DSM install/expansion/recovery restricted)
RAID Recovery with Unverified Drives	Supported	Not allowed
Storage Pool Expansion (Unverified)	Supported	Blocked
Hot Spare Assignment (Unverified)	Supported	Blocked
Drive Migration (with 3rd-party drives)	Functional, with warnings	Allowed, but persistent warnings & blocked expansion

The DS1525+, by contrast, enforces the strict drive verification policy introduced in Synology’s newer Plus series models, like the DS925+ and DS1825+. At launch, only Synology-branded drives (HAT3300, HAT5300, SAT5200, and SNV3400 series) are listed as officially compatible. If users attempt to initialize DSM using unverified HDDs—such as a standard WD Red Plus or Seagate IronWolf—the installation process will be blocked entirely. This represents a significant limitation for long-time Synology users who are accustomed to broader hardware flexibility. Even after successful DSM setup, the system will not allow users to expand storage pools, rebuild degraded RAID arrays, or assign hot spares using non-verified drives. Persistent warnings and degraded status indicators in Storage Manager will appear even for migrated volumes, making the DS1525+ less accommodating for mixed-media configurations or DIY upgrades. SATA SSDs, while slightly more flexible in some scenarios, are still subject to similar warning behaviors post-install.

Further separating the two models is support for NVMe-based storage pools. The DS1522+ only allows M.2 NVMe SSDs to be used for read/write caching, and it permits the use of third-party SSDs for this function, giving users a cost-effective route to performance acceleration. The DS1525+, however, allows these NVMe slots to be used for full DSM storage volumes—but only when using Synology-verified SNV-series SSDs. This enables the creation of fast, low-latency storage pools using NVMe media, which is a compelling advantage for certain workflows (like media scratch disks or high-speed sync folders). Still, the restricted compatibility policy limits practical utility for those who already own quality NVMe drives from other vendors. In short, while the DS1525+ technically offers more advanced storage architecture, the DS1522+ offers far more freedom, especially for users managing legacy systems, migrating data from older Synology devices, or sourcing their own HDDs and SSDs independently.

Synology DS1525+ vs DS1522+ NAS Comparison – DSM Capabilities

Both the DS1525+ and DS1522+ run Synology’s DSM 7.2 operating system and provide access to the same broad library of official and third-party packages. This includes core applications such as Synology Drive for file sync and access, Synology Office for collaborative documents, and Active Backup for Business for system-wide backup management. The app experience is largely identical on both devices, with support for Virtual Machine Manager, Hyper Backup, Snapshot Replication, Synology Photos, and Surveillance Station. However, the differences in system hardware and compatibility enforcement subtly influence how DSM behaves and what features remain available under different configurations. For example, both models support up to 256 snapshots per shared folder and a system-wide maximum of 4,096 snapshots, but users on the DS1525+ will be subject to stricter compatibility enforcement in DSM’s Storage Manager if using drives that aren’t on Synology’s approved list.

DSM Feature / Capability	Synology DS1522+	Synology DS1525+
DSM Version	DSM 7.2+	DSM 7.2+
Max Internal Volumes	64	32 ▼
Max Single Volume Size	108 TB	200 TB (requires 32 GB RAM) ▲
Snapshot Replication	256 per shared folder / 4,096 total system snapshots	256 per shared folder / 4,096 total system snapshots
Synology Drive Users	Up to 60	Up to 80 ▲
Synology Office Users	Up to 60	Up to 80 ▲
Virtual Machine Manager (VMs)	Up to 4 Virtual Machines	Up to 8 Virtual Machines ▲
Virtual DSM Instances (Licensed)	Up to 4	Up to 8 (1 free license) ▲
Hybrid Share Folder Limit	10	10
Surveillance Station (H.265)	40 cameras / up to 1200 FPS	40 cameras / up to 1200 FPS
Maximum SMB Connections (RAM Expanded)	30	40 ▲
RAID Recovery with 3rd-Party Drives	Supported	Blocked
Storage Expansion with Unverified Drives	Supported	Blocked
Hot Spare (Unverified Drives)	Supported	Blocked
M.2 NVMe Caching (3rd-Party SSDs)	Supported	Blocked
NVMe Storage Pool Creation	Not supported	Supported (Synology SNV SSDs only)
DSM Storage Manager Behavior (Unverified)	Warnings only, all features functional	Persistent alerts, blocks expansions and rebuilds
High Availability Support	Yes	Yes
Full System Backup (Hyper Backup)	Yes (DSM 7.2+)	Yes (DSM 7.2+)

Where this becomes particularly relevant is during system migration or advanced storage scenarios. The DS1522+ handles drive migration and unverified HDDs without functional limitation. DSM will display minor warnings but still permit RAID recovery, storage pool expansion, hot spare assignments, and cache creation—even with mixed-brand hardware. By contrast, the DS1525+ introduces active blocks within DSM for unsupported drives. Users migrating from older Synology NAS devices using drives like WD Red Plus or Seagate IronWolf will find that, while the DS1525+ may import the pool, DSM will flag the drives as unverified and prevent future RAID rebuilds or expansions unless all disks are from Synology’s supported list. These alerts cannot be disabled, and they will persist across the user interface, making the system appear at risk even if the drives themselves are healthy. This creates a significant difference in administrative experience, especially for IT professionals managing multiple systems or resellers integrating legacy hardware.

In terms of user and service scalability, the DS1525+ supports slightly higher limits overall. It allows for up to 80 Synology Drive users and Office users (versus 60 each on the DS1522+) and can support up to 8 concurrent virtual machines versus 4 on the DS1522+, assuming sufficient RAM is installed. Surveillance Station camera and FPS limits are virtually identical, and both models support High Availability, Hybrid Share, SAN Manager, and central management features. However, the DS1525+ supports larger single volume sizes—up to 200 TB if upgraded to 32 GB RAM—compared to the DS1522+’s 108 TB ceiling. In return, the DS1522+ offers more internal volume flexibility with support for up to 64 volumes, double the DS1525+’s 32 volume limit. This trade-off reflects Synology’s shifting priorities in DSM: the DS1525+ favors fewer, denser volumes and more centralized control, while the DS1522+ gives power users finer-grained storage separation. Both systems excel with DSM, but your experience will differ depending on whether you prioritize scalability and structure—or open, hardware-flexible operation.

Synology DS1525+ vs DS1522+ NAS Comparison – Conclusion

The Synology DS1525+ and DS1522+ may look nearly identical on the outside, but they diverge sharply in philosophy, system behavior, and long-term value. The DS1522+, launched in 2022, stands as one of the last truly flexible 5-bay NAS systems in Synology’s portfolio. It offers a dual-core AMD Ryzen R1600 processor with excellent single-thread performance and supports up to 15 drives with two DX517 expansions. More importantly, it retains the traditional Synology approach to third-party drive compatibility—meaning users can install and operate a wide range of HDDs and SSDs (Seagate, WD, Toshiba, etc.) without system blocks. DSM will issue warnings if a drive isn’t officially listed, but critical features like RAID recovery, storage pool expansion, and hot spare assignment continue to function. That level of hardware openness makes the DS1522+ particularly attractive to power users, budget-conscious builders, and small IT teams looking to repurpose existing hardware. The DS1525+, released in 2025, represents a subtle but significant shift in Synology’s design strategy. On paper, it offers solid upgrades: a quad-core AMD Ryzen V1500B processor that enables better multitasking, faster 2.5GbE LAN ports for improved data throughput, lower noise and power consumption, and full NVMe storage pool support (with Synology SSDs). These improvements make the DS1525+ a better fit for users running multiple simultaneous services—such as Surveillance Station, Synology Drive, and Docker containers—all while maintaining smooth operation. However, these benefits come with stricter limitations. The unit enforces Synology’s 2025-era drive verification policy, which outright blocks DSM installation or RAID operations with unverified drives. Migration is allowed, but users will be met with persistent warnings, degraded system status indicators, and feature restrictions that can’t be bypassed. The flexibility to reuse older drives, expand arrays freely, or mix hardware brands has been systematically curtailed.

In essence, the choice between these two NAS systems reflects more than just performance—it’s a decision between openness and control. The DS1522+ remains a strong all-rounder for users who want to build their system on their own terms, manage diverse storage needs, or repurpose hardware they already trust. It’s well-suited to small businesses, creators, and experienced users who value transparency and adaptability. The DS1525+, by comparison, is more refined, but also more prescriptive. It favors users willing to commit fully to Synology’s ecosystem—those who prioritize simplicity, tighter integration, and long-term consistency, even at the expense of flexibility. It’s a better fit for turnkey environments where reliability and vendor support matter more than customization. Both NAS devices are excellent in their own right, but the right choice depends entirely on how much control you’re willing to trade for convenience—and whether your NAS should be a platform you shape, or a solution that shapes your workflow.

Aspect	Synology DS1522+	Synology DS1525+
Pros	– Broad 3rd-party HDD/SSD compatibility	– 2.5GbE LAN ports for faster networking out of the box
	– Fully supports RAID recovery, expansion, and hot spares with any drive	– NVMe SSDs can be used for storage pools (Synology SSDs only)
	– Better suited for drive migration from older NAS systems	– Quad-core CPU enables better multitasking and virtualization
	– More internal volumes supported (up to 64)	– Lower power draw and slightly quieter operation
	– Ideal for budget-conscious users and mixed-brand deployments	– Slightly higher user caps in DSM apps (Drive, Office, VMM)
Cons	– Only 1GbE networking unless upgraded	– Blocks DSM install and critical functions with unverified drives
	– No support for NVMe storage pools	– Only Synology SSDs supported for caching or NVMe volumes
	– Lower VM performance ceiling (dual-core CPU)	– Fewer internal volumes supported (32 max)
		– Less suitable for users with existing 3rd-party storage hardware
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Microsoft publie un correctif d’urgence pour résoudre les problèmes de démarrage causés par la mise à jour KB5058405 de Windows 11

Microsoft a reconnu un problème critique affectant certaines installations de Windows 11 suite à la mise à jour cumulative KB5058405, déployée lors du Patch Tuesday de mai 2025. Cette mise à jour de sécurité, destinée aux versions 22H2 et 23H2 de Windows 11, a provoqué des échecs de démarrage sur certains systèmes, principalement dans des environnements virtuels

Problème identifié : erreur 0xc0000098 liée à ACPI.sys

Après l’installation de la mise à jour KB5058405, certains utilisateurs ont signalé que leur système ne parvenait plus à démarrer, affichant un écran de récupération avec le code d’erreur 0xc0000098. Le message d’erreur indique que le fichier ACPI.sys, un pilote essentiel pour la gestion de l’alimentation et des ressources matérielles, est manquant ou corrompu.

Ce problème a été principalement observé sur des machines virtuelles, notamment :

• Azure Virtual Machines
• Azure Virtual Desktop
• Machines virtuelles hébergées sur Citrix ou Hyper-V

Microsoft précise que les utilisateurs des éditions Home ou Pro de Windows 11 sont peu susceptibles de rencontrer ce problème, car il concerne principalement des environnements informatiques professionnels utilisant des machines virtuelles.

Solution proposée : mise à jour hors bande KB5062170

Pour remédier à ce problème, Microsoft a publié une mise à jour hors bande, KB5062170, disponible via le Microsoft Update Catalog. Cette mise à jour cumulative contient tous les correctifs de la mise à jour KB5058405, ainsi que la résolution spécifique du problème de démarrage.

Microsoft recommande aux administrateurs système :

• De ne pas installer la mise à jour KB5058405 sur les systèmes utilisant des machines virtuelles.
• D’installer la mise à jour KB5062170 à la place, pour éviter les problèmes de démarrage.

Pour les systèmes déjà affectés, Microsoft suggère d’utiliser les commandes de réparation de machines virtuelles Azure ou de monter le disque virtuel sur une autre machine pour restaurer le système.

Recommandations pour les administrateurs IT

Les administrateurs de systèmes utilisant des environnements virtuels sont invités à :

• Reporter l’installation de la mise à jour KB5058405 jusqu’à ce que le correctif soit appliqué.
• Mettre en place des sauvegardes régulières avant l’application de mises à jour critiques.
• Surveiller les communications officielles de Microsoft pour rester informés des dernières mises à jour et correctifs disponibles.

Pour plus d’informations et pour télécharger la mise à jour KB5062170, veuillez consulter le Microsoft Update

Voir aussi : Index des problèmes et bugs des mises à jour mensuelles/cumulatives de Windows 11

L’article KB5058405 : Windows 11 peut ne pas démarrer après son installation est apparu en premier sur malekal.com.

Synology Explain WHY They Changed Drive Support and Verification in 2025 NAS

During a recent visit to Taipei for Computex 2025, I took the opportunity to visit Synology’s headquarters and speak directly with company representatives about one of the most discussed and divisive topics in the NAS community today — the company’s increasingly strict stance on hard drive compatibility. With the rollout of Synology’s latest generation of hardware, users have been met with significant limitations on the use of third-party drives, prompting concern over reduced flexibility, potential e-waste, and the future direction of Synology’s hardware ecosystem. This article provides a can overview of that visit, beginning with the HQ tour, but mainly it is about putting several big questions users have about the brand’s change in support of Seagate, WD, etc on their 2025 devices.

Four core questions — based on direct community feedback — were put forward, addressing the motivation, risks, and future implications of Synology’s current drive support policy. Each answer is presented exactly as delivered. Note, this article is not sponsored by Synology and they have no control over the editorial stance and output! For users, partners, and industry observers alike, understanding these policy shifts is essential for making informed decisions about Synology systems moving forward.

Touring the Synology Headquarters

The Synology headquarters tour took place during a coordinated visit arranged alongside the Computex 2025 trade event. Approximately 30 to 40 individuals were in attendance, a mix that included official Synology partners, resellers, independent media, and technology commentators. The tour began with a structured company overview presentation outlining Synology’s operational history, business units, and market positioning.

While much of this information was familiar to long-term observers, it served to reinforce the company providing integrated storage and data management solutions. The presentation also included a brief overview of Synology’s global distribution and the evolving structure of its enterprise product lines.

Attendees were then guided through various areas of the facility, which covered several floors within a shared building. Synology does not occupy the entire structure, but the portions shown during the tour were substantial, comprising office sections, collaborative workspaces, logistics coordination areas, and support-related operations. Notably, many desks were temporarily unoccupied due to staff presence at Computex’s Nangang Exhibition Center.

Nonetheless, the offices remained populated with active terminals and systems undergoing live testing.

A significant portion of the tour focused on the environmental and durability testing facilities, including designated zones for acoustic profiling, thermal analysis, and dust resilience. The diversity of units being tested suggested coverage across multiple device classes, including both rackmount and desktop models.

The most extensive portion of the tour was the dedicated test and burn-in area. This floor was almost entirely devoted to long-term performance and diagnostic evaluations. Numerous Synology NAS units — some dating back to the early 2010s — were in continuous operation, either running synthetic workloads or undergoing compatibility assessments with the current DSM operating system.

The presence of so many legacy devices in active testing underscored the company’s emphasis on software longevity and cross-generational hardware support. However, it also provided a contrast to Synology’s new strict verification policies, especially given the mixed hardware environments visible during testing. The tour was led by ZP Kao, Sales Director at Synology, and Chad Chiang, Regional Manager for the UK and Germany, who offered clarification and responded to several direct inquiries during the walkthrough.

Why Has Synology Changed Its HDD Support Policy? Questions and Answers

Questions I put to Synology about their change in policy regarding verifying and supporting drive media being used on their 2025 and later series of NAS devices. I based these on the comments and suggestions from videos on the YouTube channel and comments on previous articles. I am under no illusions that these changes by Synology in their drive support policies have financial justifications (ranging from Support efficiency and it’s financial overhead, to the simple profitability of prioritizing their own labelled firmware optimized storage media choices over those of other brands), but I wanted to know if these were the only reasons for this? What other reasons could Synology provide to support this large and unpopular move. Thank you once again to Chad Chiang for taking the time to answer these questions.

Note – for a better understanding of the current DSM Support of Unverified media, as well as test scenarios detailing each setup and how DSM handles it, you can read it HERE in my Test Article.

How has the verification process changed for which drives you can use on Synology systems moving forward? And are there drive options from WD and Seagate currently undergoing support verification?

Answer – At Synology, we constantly reflect on a core question: Why do people choose a NAS? We believe the answer lies in the need for secure, reliable, and hassle-free data storage. This belief has guided our mission for over a decade. When analyzing our support history, the data clearly shows that systems using Synology-branded drives experience 40% fewer issues compared to those with third-party HDDs. This insight underscores the importance of using thoroughly tested drives. As for which third-party vendors are currently undergoing drive verification, we’re unable to disclose details. For the most accurate and up-to-date information, we recommend reaching out directly to the respective manufacturers.

The response positions Synology’s verification changes as a reliability-focused initiative and smooth platform running as the chief reasoning for them, referencing internal data that suggests a 40% reduction in support issues when Synology-branded drives are used. However, as mentioned previously, the statement does not provide supporting metrics such as sample size, timeframes, or specific failure modes, making it difficult to assess the scope or significance of this claim. I do not doubt that it is true, but without the X/Y and details of how this result was achieved, we are only getting half the story here.  The policy shift is framed as a precautionary measure aimed at minimizing user disruption, but the absence of transparency regarding ongoing verifications with WD or Seagate limits clarity for users seeking alternatives – which is why users are seeing this more as a means for the brand to increase profitability in the 2025 series as a bundled utility purchase – not as a means of system stability.

Ultimately, discussing the technical standards or benchmarks involved in the verification process in paramount here. It largely confirms that responsibility for future third-party compatibility lies with the drive manufacturers themselves, effectively shifting the onus of transparency to them. While it is understandable that Synology might want to mitigate support complexity, the lack of specificity about how the verification criteria have evolved or what steps vendors must follow leaves key questions unanswered for both users and third-party storage providers. I reached out to representatives from Seagate and WD to see if they could elaborate further on this new media side verification process with their respective NAS/Server class media – neither was able to provide further details at this time.

UPDATED 07-05-25 = Added Unverified HDD and SSD (Migrated) Storage Pool RAID Repair, RAID POOL Expansion and Hot Spare Tests. Right now, the following is what works and what does not (between pre-2025 Series and the 2025 Series that is releasing now):

Feature / Function	Pre-2025 Synology NAS<br>(e.g., DS1821+, DS920+, DS923+)	2025 Synology NAS<br>(e.g., DS1825+, DS925+, DS1525+)
DSM Installation – Verified Drives	Full support	Full support
DSM Installation – Non-Verified Drives	Allowed (with warnings)	Blocked completely
Drive Migration (Non-Verified Drives)	Fully functional, minor alerts	Works, but shows persistent warnings
Storage Pool Creation – Verified Drives	Fully supported	Fully supported
Storage Pool Creation – Non-Verified Drives	Allowed (with warnings)	Blocked
Storage Pool Expansion – Verified Drives	Fully supported	Fully supported
Storage Pool Expansion – Non-Verified Drives	Allowed (mixed arrays supported)	Blocked – drives flagged as incompatible
Hot Spare Assignment – Verified Drives	Fully supported	Fully supported
Hot Spare Assignment – Non-Verified Drives	Allowed	Blocked
RAID Recovery – Verified Drives	Supported	Supported
RAID Recovery – Non-Verified Drives	Supported	Blocked – system will not rebuild with unverified media
M.2 NVMe Cache – Synology SSDs	Supported	Supported
M.2 NVMe Cache – 3rd Party SSDs	Supported	Blocked
M.2 NVMe Storage Pools – Synology SSDs	Not supported	Supported
M.2 NVMe Storage Pools – 3rd Party SSDs	Not supported	Blocked
SMART Monitoring – Verified Drives	Full support	Full support
SMART Monitoring – Non-Verified Drives	Full support	Limited or blocked (TBC)
Storage Manager Alerts – Non-Verified Drives	Warnings, dismissible	Persistent, cannot be cleared
Overall Compatibility Flexibility	High – mix-and-match drives allowed	Low – walled-garden enforcement

Users are able to migrate existing storage arrays that feature Unverified/unsupported drive media in previous Synology systems into 2025 Plus series devices and still use DSM services – however once they do so, they are unable to use the same model ID of drives to perform RAID recovery, RAID expansion or introduced a hot spare, unless that drive is on the verified drive list. Why is this?

Answer- Advanced operations such as RAID recovery, expansion, or hot spare assignment are technically intensive and carry a higher risk of data loss if inconsistencies arise. Drives that haven’t been validated through Synology’s verification process may behave unpredictably under stress, impacting array stability or performance. For this reason, support for these functions is limited to verified drives—a precaution designed to safeguard user data and maintain long-term system reliability.

So, this answer outlines Synology’s rationale for restricting critical RAID operations on unverified drives and It emphasizes the increased risk associated with advanced storage operations, particularly when performed on drives that may not have been tested under stress or fault conditions. The justification focuses on data integrity and system reliability, suggesting that verified drives have undergone stress testing scenarios that others have not. However, the lack of granularity in what defines “unpredictable behavior” makes it difficult to independently evaluate the severity or frequency of these issues. Much like the statistics point earlier, this seems a remarkable stretch in terms of reaction to what many users would consider a very, very low % risk factor. Equally, though there is an argument that some drive media is less suitable for NAS usage (eg the WD Red SMR drives, desktop single drive use media like Seagate Barracuda and high power draw HDDs/SSDs in some cases), these make up a very small % of drive media in the market and using this as a reasoning to effectively bar the continued support of drive media that has been supported/used in Synology server use over the last 2 decades to prevent RAID recovery and Expansion in the latest gen for those carrying them over seems insane overkill.

The policy effectively limits upgradability and flexibility in mixed-drive environments. While it is technically reasonable to restrict risky operations on unvalidated components, the ability to migrate but not expand or rebuild a RAID introduces a half-measure — allowing users to enter unsupported configurations while restricting them mid-cycle. The result is a system state that may appear functional at first but ultimately lacks key functionality unless users conform to the verified list. For long-term users upgrading from older systems, this shift can lead to unexpected limitations without adequate warning, particularly in small or home office deployments. The messaging has been poor and though I made a video about these limitations (embedded above), there is practically no other clear and transparent information about this online (with incongruous detailson the Synology Knowledge base that could stand to be a lot clearer and louder).

HOT TAKE, and hear me out – If Synology do not allow support of RAID repair/Expansion on drives that have been migrated over from older NAS systems where the drives WERE originally supported (unless they use 2025 verified drives) because of reasons of stability, I have a somewhat extreme suggestion. As unpopular as it might have been, Synology should have just BARRED the support of migration from older generation Synology NAS devices with unverified drives entirely. I personally think they should have allowed for RAID repair/Expansion of unverified drives, but if they are going to pursue this for reasons of system stability, they should have committed to this fully and not allowed this grey area with migration. As it just looks bad for the brand, as means of ensuring people can upgrade/remain in the ecosystem, but then have limited scalability when those older drives require replacement/growth.

Were pre-populated Synology NAS devices considered, given the strict verified support stance that this new Synology hardware generation contains?

Answer – Regarding pre-populated NAS solutions, there hasn’t been significant internal discussion or a formal strategy around this model. As such, I don’t have a concrete answer at this time. The focus remains on ensuring that any storage media used—whether user-installed or bundled—is fully verified to meet Synology’s reliability standards.

Not much to unpack here. It makes sense. I imagine they DID discuss this as an option (as they are already engaging with this with systems like the Beestation), but at least for now, it seems off the table. As unpopular as this might have been, in some ways it could have solved a lot of this friction for some users. Provide the 2025 PLUS series as an empty/enclosure-only solution with similar compatibility as the 2024 and earlier generation – but then also supply several pre-populated options that feature Synology drive media as standard. However, that would be a different discussion entirely (eg logistics, SKUs, viability, ROI by offering this alongside flexible options).

Can you provide example(s) of critical system issues that using unverified drives caused, that were the tipping point for this new strict HDD support policy?

Examples of what stepped up our verification process moving forward:

Performance Issues: Unverified drives may function under light workloads but can suffer serious performance drops (e.g., IOPS decline) under multi-user access or when running demanding services like virtualization, backup, or databases. This can lead to poor user experience or service disruptions (e.g., iSCSI timeouts).

Stability Risks: Without thorough testing, unverified drives are more prone to failures under stress conditions such as unexpected power loss or long-duration file transfers—leading to timeouts, reboot failures, or data integrity issues in high-load or long-term operations.

Compatibility Problems: Drives not validated for compatibility may show unstable behavior with certain NAS controllers, resulting in drive drops, RAID instability, or data access interruptions over time.

Advanced Feature Failures: Unverified drives may fail during operations like SMART testing or Secure Erase, especially after unexpected power outages. Some drives may not respond properly under frequent access or specific command sets, affecting system stability.

Drive Failures Under High Load or Density: Some drives may become unresponsive under high data density or I/O intensity, with issues persisting even after a reset.

The examples provided by Synology highlight a variety of operational issues associated with unverified drives, most of which relate to performance degradation, system instability, or failure of advanced features under stress. These scenarios focus on workloads involving sustained I/O, power fluctuations, and controller-level interactions. In isolation, many of the issues described are plausible for lower-tier or unsuitable drive models, particularly in demanding or enterprise-like environments. That said, that are very low margins (eg 0.01% or lower) when you look at the traditional deployment of many Synology NAS solution in the Plus series. Again though, the scale and frequency of these issues remain unclear. There is no indication of how widespread such failures are across Synology’s user base, nor whether they represent rare edge cases or common occurrences. The examples also apply more logically to enterprise or high-density configurations, whereas the same strict policies now affect all tiers — including two-bay and four-bay systems used by home and prosumer users. Without concrete statistics or clearer thresholds, it is difficult to assess whether these issues justify the breadth of the policy. The policy appears to target potential worst-case scenarios, but may have broader consequences for user flexibility than the risk profile necessarily warrants.

Additional Information and Details from the MyBroadband Article

Further context on Synology’s new drive compatibility policy was provided in an interview between MyBroadband journalist Daniel Puchert (click to read) and Michael Chang, Synology’s Regional Sales Manager. The discussion reinforced many of the points raised during the HQ visit, while also offering additional information into the motivations behind Synology’s stricter approach to drive support in their latest generation of NAS systems. Chang explained that Synology’s primary objective was to ensure product reliability and reduce system-level faults that were increasingly traced back to third-party hard drives. According to Chang, complaints received by Synology often involved third-party drive issues, yet Synology would still be held accountable by users due to their role as the NAS provider. This prompted the company to centralize responsibility and tighten control over supported hardware configurations. While Synology-branded drives are currently the only models certified, Chang noted that other vendors are being invited to participate in the compatibility validation program — provided they meet the same testing standards.

(In the case of the NAS drives) “..because Synology’s product would typically facilitate the usage of third-party hard drives, it would also be the scapegoat for any faults with the entire system.”

“..complaints received by Synology regarding issues relating to its NAS devices were most often caused by faulty hard drives.

“severe storage anomalies have decreased by up to 88%” for hard drive models that have adopted its hard drive compatibility policy, compared to older models.”

“We still welcome third parties to join Synology’s ecosystem and have invited vendors to join our validation program,”

Michael Chang, Synology Regional Sales Manager – full article HERE

The article also mentioned that Synology-certified drives undergo over 7,000 hours of testing, and systems using those drives reportedly experience 40% fewer failures than those using uncertified media. Additionally, Synology claims that severe storage anomalies have dropped by up to 88% in systems following its compatibility policy. Although Chang confirmed that third-party compatibility may expand in the future, it will only do so under strict adherence to Synology’s internal benchmarks. These statements align with Synology’s position during the HQ tour, further emphasizing a shift toward a closed, highly controlled ecosystem that prioritizes consistent performance over hardware flexibility.

Synology and HDD Support and Verification – Conclusion and the Long Term

My biggest issue with all this is that, almost certainly, we are going to see Seagate, WD, Toshiba and more slow (slooooooooowly) appear on the compatibility lists for a number of the 2025 generation of devices over the coming months. So, what was all this for? The PR damage and likely early sales damage of the Synolgoy 2025 Series because of this change of support I would estimate is going to be pretty substantial – and all the reports and reactions to this online are not going to go away as soon as a Seagate Ironwolf or WD Red drive appears on the support lists. Also, Synology work on these devices for a very, very long time before launch – why is all this happening now – and not before launch. The cynic in me wants to just assume it was pure profitability and that Synology want to maximize profits, and if when this does begin to U-Trun ,that the brand can say that it was the plan all along. But whether that is true or not, the damage to the brand in the eyes of a substantial % of their long term fans is notable, and with many more players in the market (UniFi, QNAP, UGREEN and more) launching new products in Q3 and Q4 – is this all going to be a gamble by the brand that ends up costing them more than just leaving the support status quo where it was? Only time will tell.

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Je me suis encore tapé une bonne petite insomnie cette nuit, donc je me suis levé pour bosser et je suis tombé tout à fait par hasard sur ce PDF qui présente la “Théorie de la stupidité” de Dietrich Bonhoeffer, complété par une analyse de Carlo Cipolla sur “les lois fondamentales de la stupidité humaine”.

Je ne connaissais pas ces 2 gars ni leurs écrits, mais franchement, tous les jours ou presque je vois l’ampleur de la catastrophe et ça fait grimper ma pression artérielle. Et comme je ne comprends pas bien ce phénomène et que je ne sais pas trop comment m’y prendre pour y faire face, ça a évidemment attiré mon attention et je voulais partager ça avec vous.

Synology Launches RS2825RP+ RackStation NAS for Business Deployments

As Synology continue its large-scale refresh of its solution portfolio, it is finally time to start talking about rackmount solutions! Although many were waiting on the RS1225+, it looks like the brand wants to ‘go big’ with the Synology RS2825RP+ 16 Bay, expandable 10GbE equipped and 25G Ready server solution. Arriving in the PLUS series, and therefore subject to the recent hardline storage media verification changes made by the brand for the 2025 series and onwards, the RS2825RP+ is clearly a very, very different solution and therefore perhaps reaching a target audience who are more receptive to it (maybe). Synology have a phenomenal history when it comes to their rackmount series – for many years it was just the rackstation series – but eventually we saw the UC, SA, FS and XS arrives.. which in turn is now rolling towards the enterprise challengers such as the Active Protect DP devices, the Gridstation (GS) devices and even a long desired and promised NVMe Flash series (the PAS range). So, PLUS series devices like the RS2825RP+ are occupying an increasingly squeezed area of the portfolio where buyers want comparatively affordable, scalable and capable storage. The changes by the brand on drive media support and verification do undercut this somewhat, so with that in mind, what has this new 3U Rackmount got to offer you in 2025 that makes it deserved your money and your data?

The Synology RS2825RP+ is equipped with an AMD Ryzen V1780B processor, offering a quad-core architecture with base and boost clocks of 3.35 GHz and 3.6 GHz, respectively. Designed for enterprise-grade workloads, the system includes 8 GB of ECC DDR4 memory in a single module configuration, which can be expanded up to 32 GB via two available slots. The rackmount chassis conforms to a 3U form factor and houses 16 front-accessible drive bays, supporting both 3.5” and 2.5” SATA formats. Networking capabilities include dual 1GbE ports and a single 10GbE port for high-speed data transfer, with a PCIe Gen3 slot offering further upgrade flexibility for additional NICs or storage controllers. According to Synology’s internal benchmarks, the unit delivers up to 3,519 MB/s sequential read and 1,790 MB/s write performance, which is suitable for multi-user environments requiring fast data access and sharing.

Engineered for sustained operation in business-critical environments, the RS2825RP+ incorporates three hot-swappable fans for effective airflow and dual redundant power supplies to mitigate downtime during hardware failures. The hot-swappable drive trays support online volume management, allowing for drive replacement or expansion without system shutdown. The power input is adaptable across 100–240V AC ranges, ensuring compatibility with global power standards. The system is further enhanced by a dedicated hardware encryption engine, allowing encrypted data processing without heavily impacting performance, making it practical for organizations handling sensitive or regulated data.

On the software side, the RS2825RP+ runs Synology’s DiskStation Manager (DSM), which supports a wide suite of data protection, business productivity, and infrastructure management applications. Included without additional licensing are tools such as Synology High Availability, which enables failover between identical units to ensure service continuity, and Snapshot Replication, which offers near-instantaneous recovery points for shared folders and LUNs. Hyper Backup extends protection to remote servers and public clouds with features like deduplication, data integrity verification, and multi-versioned backup scheduling. For IT environments reliant on virtualization, DSM integrates natively with VMware vSphere, Microsoft Hyper-V, Citrix, and OpenStack, with support for VMware VAAI and Windows ODX to offload and streamline storage operations.

Beyond infrastructure, DSM also serves as a collaboration platform. Synology Drive allows for real-time file synchronization across Windows, macOS, Linux, and mobile platforms, with granular permissions for enterprise-grade file governance. Users can collaborate using Synology Office, which provides a shared workspace for documents, spreadsheets, and presentations with unlimited versioning and cross-format compatibility. Communication features such as Synology Chat and Calendar are included, supporting encrypted messaging and team scheduling. Hybrid Share, an optional feature, combines on-premise access speed with cloud-based scalability, enabling multi-site deployments to efficiently manage shared files with a single global namespace.

The RS2825RP+ supports a maximum of 28 drives when paired with the RX1225RP expansion unit, enabling up to 560 TB of raw storage using currently available 20 TB drives. Storage flexibility is provided through support for Btrfs on internal volumes and a range of file systems on external devices. Multiple RAID configurations are available, including Synology Hybrid RAID, Basic, JBOD, and traditional RAID levels 0 through 10. SSD caching is supported via both SATA and M.2 NVMe SSDs, the latter requiring optional expansion cards. Volume sizes up to 200 TB are supported, although configurations exceeding 108 TB require the system to be upgraded to 32 GB of RAM, ensuring memory availability for managing large metadata and file tables.

A key constraint with the RS2825RP+ is Synology’s enforcement of verified drive compatibility. At the time of release, the system only allows initialization and full access to features when Synology-branded drives or those listed on its official compatibility list are installed. This closed ecosystem policy may limit adoption among users seeking to repurpose third-party or existing storage media. The restriction also affects advanced features such as SSD caching, drive health monitoring, and hybrid volume configurations, which are tied to Synology’s drive firmware and integration layers. The Synology RS2825RP+ offers a balanced mix of compute power, storage expandability, and data protection features suitable for centralized IT infrastructure in small to medium-sized businesses. Its high-speed throughput, enterprise-grade software suite, and support for virtualization and surveillance make it versatile for multiple deployment scenarios. However, organizations considering this model should weigh the implications of Synology’s drive compatibility enforcement against their existing hardware procurement policies.

Synology RS2825RP+ vs RS2821RP+ – A Significant Upgrade?

he RS2825RP+ is expected to replace the older RS2821RP+ in Synology’s 16-bay rackmount NAS lineup, and while both systems share the same 3U chassis size, drive bay count, and expansion support up to 28 bays, they diverge significantly in internal hardware. The newer model features a faster AMD Ryzen V1780B CPU with a higher base clock of 3.35 GHz (vs 2.2 GHz in the V1500B), along with 8 GB of ECC DDR4 memory pre-installed—double that of the RS2821RP+. The RS2825RP+ also includes a 10GbE port by default, something absent from the RS2821RP+, which instead comes with four 1GbE ports. While both models support PCIe expansion, the RS2825RP+ uses a newer generation processor with improved encryption offloading and virtualization potential, better suited to modern business applications with higher throughput demands.

However, the RS2821RP+ offers greater flexibility in terms of supported drive media. Although Synology recommends its own branded drives for this unit, it does not enforce the same strict hardware lock-in seen on the RS2825RP+. Users of the RS2821RP+ can utilize a broader range of 2.5” and 3.5” SATA HDDs and SSDs, including many from third-party vendors, without encountering initialization blocks or feature restrictions. This openness makes the RS2821RP+ a more attractive option for businesses with existing storage investments or those who prioritize long-term cost control and vendor neutrality. By contrast, the RS2825RP+ requires verified drives at launch, which restricts hardware reusability and may increase TCO for those transitioning from legacy systems.

When Will the Synology RS2825RP+ Be Released and the Price?

Ultimately, the RS2825RP+ represents a forward step in terms of raw performance and integrated networking capabilities, aligning with Synology’s broader push toward all-in-one systems with deeper integration and control. But that progress comes at the cost of flexibility, particularly in storage media compatibility. The RS2821RP+ may remain relevant for users seeking broader hardware compatibility, even as the RS2825RP+ replaces it in the official portfolio. Buyers will need to weigh the advantages of newer hardware against the limitations introduced by Synology’s tighter ecosystem approach.

All shared information online and inadvertent slips on the RS2825RP+ appear to indicate that the RS2825RP+ will arrive at a similar price point to it’s predecessor at around $3000-3499, and launching earlier in the eastern regions, but eventually rolling out globally in June.

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Jonsbo N10 and NV10 MITX NAS Enclosures

UPDATE – The Jonsbo N10 Case Review is now available. You can READ it HERE, or watch the video HERE.

At Computex 2025, Jonsbo introduced two compact NAS enclosures designed specifically for Mini-ITX systems — the N10 and NV10. These cases mark a departure from the larger, high-capacity N5 chassis revealed at Computex the year before, instead prioritizing a more focused approach for users building flash-based NAS setups or compact home servers.

Both models support FLEX power supplies up to 150mm and include a USB Type-C front I/O, but they diverge in functionality: one favors SSD storage, while the other accommodates low-profile GPUs. With a small footprint of just 205mm x 205mm x 108mm, the N10 and NV10 are part of a broader trend toward highly efficient, minimal-space deployments. As demand grows for quieter, energy-efficient NAS builds and localized AI or media applications, these enclosures reflect Jonsbo’s continued push into purpose-built server chassis for the DIY market.

Hardware Specifications for the N10 and NV10

The Jonsbo N10 enclosure is engineered specifically for users building compact NAS systems that rely on SSD storage. It accommodates a Mini-ITX motherboard and includes four internal 2.5-inch drive bays arranged along the base of the chassis. These drive bays do not feature a backplane or quick-release mechanism; instead, drives are mounted using traditional screw-based trays. Users will need to ensure their motherboard or PCIe expansion cards provide the necessary SATA ports to connect all four drives.

The chassis is constructed from a combination of 3.3mm thick aluminum alloy panels and a 1.0mm steel internal frame, contributing to overall structural rigidity while maintaining a lightweight footprint. Cooling is handled by two built-in 40mm fans mounted on the rear panel, operating at 5000 RPM to provide active airflow across the storage bays. The magnetic top panel allows for quick internal access during installation or servicing.

The NV10, while identical in size and base materials to the N10 (205mm wide, 205mm deep, and 108mm high), is tailored to users who require GPU support within a compact chassis. It features two low-profile PCIe expansion slots and supports dual-slot graphics cards up to 190mm in length. There are no dedicated drive bays in the NV10, leaving internal space available for airflow and graphics card installation.

While it does not include internal case fans like the N10, the enclosure relies on ventilation cutouts across the top, sides, and rear to manage passive airflow. Effective cooling in the NV10 will depend on the power supply’s exhaust fan and any active cooling solution on the GPU. The enclosure’s internal volume is tight, so thermal constraints and airflow direction should be carefully planned during assembly.

Both models support FLEX 1U power supplies up to 150mm in length, which mount at the rear of the case above the motherboard tray. The CPU cooler clearance is limited to 38mm in both the N10 and NV10, necessitating the use of low-profile coolers—such as those from Noctua or Dynatron. Neither model includes support for ATX or SFX power supplies, nor is there native support for 3.5-inch HDDs, reinforcing their focus on SSD or flash-only builds.

A single USB Type-C port is located on the front I/O of both enclosures, though no additional USB or audio connectors are present. There is also no onboard fan control or lighting, making these enclosures minimal by design. Weights are modest, with the N10 at 1.6 kg and the NV10 slightly lighter at 1.5 kg, making them easy to transport or integrate into space-limited deployments.

Why Are Jonsbo Enclosures So Popular?

Jonsbo enclosures have gained popularity among NAS and SFF (small form factor) PC builders due to their consistent focus on minimalist design, high material quality, and purpose-built layouts that cater to niche DIY projects. Their use of thick aluminum panels combined with solid steel internals strikes a balance between aesthetics, durability, and thermal performance. Unlike many generic ITX cases, Jonsbo often designs around specific use cases—such as flash-based storage, GPU acceleration, or low-noise operation—rather than attempting to serve broad mainstream needs. This specialization appeals to enthusiasts who value efficient use of space, passive ventilation potential, and understated external styling. Additionally, the availability of features like magnetic panels, FLEX PSU support, and increasing support for ITX motherboards with NAS features has positioned Jonsbo as a go-to brand for compact, customizable server enclosures.

Where is the Jonsbo N6?

While the N10 and NV10 mark Jonsbo’s continued refinement of compact, purpose-driven NAS and SFF enclosures, attention is already shifting to the next model in development: the Jonsbo N6. Although few details have been officially confirmed, early indications suggest that the N6 may attempt to bridge the gap between the high-capacity N5 and the minimal N10/NV10 by offering more drive bays, improved airflow, or even partial hot-swap capabilities—all while retaining the small footprint and aluminum-steel construction the brand is known for. If Jonsbo continues to respond to user demands for compact yet scalable server chassis, the N6 could potentially appeal to builders seeking more flexibility without committing to full tower or rackmount designs. Its rumored release later in 2025 will likely determine how far Jonsbo is willing to expand its NAS-focused lineup beyond flash-only configurations.

Where to Buy Jonsbo NAS Cases? Jonsbo N5 12-Bay Case – $149-200 Aliexpress Jonsbo N4 6-Bay Case – $100-139 Aliexpress Jonsbo N3 8-Bay Case –  $139-150 Aliexpress Jonsbo N2 5/6-Bay Case –$99-120 Aliexpress

Read the Jonsbo NAS Series Comparison Article on NASCompares Below (click below):

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Synology DS425+ NAS Revealed

The Synology DS425+ arrives as part of the company’s 2025 refresh of its popular DiskStation NAS lineup, positioned as a 4-bay solution for prosumers, content creators, and small business users who demand reliable private cloud functionality, media handling, and data protection tools—all in a desktop-friendly chassis. Succeeding the widely adopted DS423+, the DS425+ builds upon the same Intel Celeron J4125 architecture but introduces upgraded network connectivity and improved support for SSD caching, aiming to enhance performance across daily operations like file synchronization, multimedia streaming, collaborative document editing, and surveillance management. Running the latest version of DiskStation Manager (DSM), the DS425+ leverages Synology’s full ecosystem of services, including Synology Drive, Active Backup Suite, Surveillance Station, and Synology Photos. With this release, Synology is also doubling down on its strict hardware compatibility enforcement, limiting drive support to Synology-verified models only—a shift that may influence buyers with preexisting storage investments. Even so, the DS425+ offers a compact yet powerful platform for centralized storage, hybrid cloud collaboration, and secure file access from anywhere.

Synology DS425+ Hardware Specifications

At the heart of the Synology DS425+ is the same Intel Celeron J4125 processor seen in the DS423+—a quad-core, Gemini Lake-based chip with a base clock of 2.0 GHz and a burst frequency of 2.7 GHz. While this CPU has proven competent for basic NAS operations like SMB file serving, lightweight multimedia indexing, and DSM’s collaborative apps, its inclusion in a 2025 NAS release feels increasingly outdated. The J4125 first launched in 2019, and although its low power consumption and integrated hardware encryption engine remain attractive for entry-tier devices, it’s now noticeably behind in areas like video transcoding, AI-assisted tasks, and virtualization performance. For example, when running more demanding DSM features such as Surveillance Station with high-resolution streams, or multiple simultaneous file indexing operations via Synology Photos and Drive, this processor can quickly become a limiting factor, especially in multi-user environments.

Memory configuration hasn’t changed either, with the DS425+ shipping with 2 GB of DDR4 non-ECC RAM soldered to the board and a single expansion slot allowing upgrades to a maximum of 6 GB. This is a practical ceiling for general use—enough to handle several DSM packages like Synology Office, Drive, or Hyper Backup simultaneously—but it’s insufficient for users looking to run dockerized apps, virtual DSM instances, or advanced services such as Synology MailPlus in a more scalable manner. The non-ECC nature of the RAM also weakens the case for this NAS as a long-term professional solution, especially when handling sensitive or mission-critical workloads.

Networking is where the DS425+ makes a partial step forward, but not without caveats. It features a single 2.5GbE LAN port alongside a 1GbE port—an improvement over the dual 1GbE design of the DS423+—but a closer look reveals an intentional limitation. Unlike many other brands that now offer dual 2.5GbE ports for link aggregation or seamless failover at full speed, Synology’s decision to pair a 2.5GbE with a 1GbE appears less about cost or chipset restrictions and more about product segmentation. This asymmetric port setup discourages buyers from choosing the DS425+ over higher-tier units like the DS925+, which offers more symmetrical bandwidth and better expansion paths. From a hardware standpoint, there is no compelling technical reason this device couldn’t have included dual 2.5GbE—especially given its target audience of small business and prosumer users with growing data needs.

Storage connectivity fares better. The DS425+ supports four hot-swappable 3.5″/2.5″ SATA drives and adds two M.2 2280 NVMe SSD slots for cache acceleration—valuable for improving read/write IOPS, especially in workloads like media library scanning in Synology Photos or large document syncing in Synology Drive. These M.2 slots do not consume the main drive bays, preserving all four bays for primary storage—a practical advantage for users looking to maintain high capacity while improving responsiveness. However, it’s important to note that, per Synology’s 2025 compatibility policy, only Synology-branded SSDs (such as the SNV3400 series) can be used for either cache or storage pool creation, cutting out a wide array of affordable third-party options.

In terms of design, the DS425+ remains compact and energy-efficient, measuring 166 × 199 × 223 mm and weighing 2.18 kg. It uses two 92mm fans for active cooling, and power usage is modest—28.3W under load and just 8.45W in disk hibernation. Two USB 3.2 Gen 1 ports are available for external drive backups or peripheral support, and the unit is shipped with two RJ-45 cables, a power supply, and a 3-year warranty (extendable to 5 years in some regions). But while the physical build quality is solid, many of the internal hardware choices feel driven more by Synology’s desire to maintain product hierarchy than by a desire to fully meet evolving user needs in this segment.

Synology DS425+ vs DS423+ NAS – Much of an Upgrade?

On paper, the DS425+ and DS423+ appear remarkably similar—so much so that many users might question whether the DS425+ is a true generational upgrade. Both models use the same Intel Celeron J4125 quad-core processor, support up to 6 GB of non-ECC DDR4 memory, and house four 3.5″/2.5″ SATA bays alongside dual M.2 NVMe SSD slots. The physical dimensions, weight, fan configuration, and even the power draw figures are virtually identical. For many core use cases—such as basic file storage, Synology Drive collaboration, and multimedia backups via Hyper Backup—the user experience will feel nearly the same. This makes the DS425+ look more like a platform refresh than a reinvention.

However, the key differences lie in network connectivity and platform intent. The DS423+ features dual 1GbE ports with support for link aggregation or failover, while the DS425+ trades this for a mix of one 2.5GbE and one 1GbE port. While this technically increases the potential maximum throughput to 2.5Gbps, this hybrid setup seems designed to offer “just enough” improvement to distinguish the DS425+ without cannibalizing interest in higher-tier systems like the DS925+. For users with modern 2.5GbE switches, the DS425+ will offer a slightly snappier file access and faster backups—particularly when working with large media libraries or high-frequency synchronization tasks in Synology Photos or Drive. But those with symmetrical link aggregation setups may find the port layout frustratingly limiting.

Another critical shift is in Synology’s approach to drive compatibility. The DS423+—like most NAS units in the 2020–2023 era—offered relatively open support for third-party HDDs and SSDs, including Seagate IronWolf, WD Red, and enterprise-class models. Users would receive warnings when using non-verified drives, but DSM remained fully functional. In contrast, the DS425+ adopts the same restrictive policy seen in all 2025 Synology NAS systems, outright blocking DSM installation and pool creation with unverified hard drives or NVMe SSDs.

This has broad implications for cost-conscious users or those migrating from older Synology NAS units, as they may find that previously functional media is now flagged and unusable. Even within Synology’s own ecosystem, only select SKUs (e.g., HAT3300, HAT5300, SAT5200, SNV3400) are accepted without persistent alerts or functionality restrictions. While this change may support long-term system stability and vendor accountability, it narrows the appeal of the DS425+ as a flexible, user-driven NAS appliance.

Ultimately, the DS425+ is one of the smallest refresh/upgrades over the DS423+, largely just in its added 2.5GbE port. But for users already operating a DS423+, the performance incentives to upgrade are limited—unless specific use cases demand faster network throughput or tighter integration with Synology’s enterprise-leaning ecosystem. For first-time buyers, the DS425+ makes more sense if you are already choosing only the media the brand recommends and want a relatively low-noise, compact NAS with good multi-user potential, cloud tools, and basic virtualization support.

Synology DS425+ NAS – Software and Services

The DS425+ runs Synology DiskStation Manager (DSM), one of the most polished NAS operating systems available today, offering a blend of enterprise-level tools and consumer-friendly accessibility. Users can configure the device as a centralized file server, hybrid cloud gateway, backup vault, media hub, or private collaboration platform—all from within an intuitive web-based interface.

The system supports the Btrfs file system, enabling advanced data protection features such as file self-healing, quota management, and snapshot replication. With support for up to 256 system-wide snapshots and 128 per shared folder, users can roll back accidental deletions or ransomware-damaged data in seconds. Synology’s Hybrid Share also allows users to extend storage capacity to the cloud with on-demand file streaming and local caching, balancing scalability with local performance.

Collaboration is another strong point of the DSM ecosystem. Synology Drive provides a private alternative to Google Drive or Dropbox, enabling real-time file synchronization across devices and platforms, with versioning, sharing permissions, and browser-based access. Integrated with Synology Office, users can collaborate on documents, spreadsheets, and presentations with password protection and revision tracking.

These tools perform well even with modest hardware like the DS425+, and are ideal for distributed teams or remote workers. For communication, Synology Chat brings secure instant messaging with support for encrypted channels and message retention policies, while Synology MailPlus offers a fully-fledged private email server with support for up to 20 users (5 licenses included). These services transform the DS425+ from a simple storage box into a multi-role productivity appliance.

Synology also continues to invest in security and monitoring, with DSM 7.2+ adding features like Adaptive Multi-Factor Authentication (AMFA), which intelligently triggers additional login requirements based on user behavior and access patterns. Admins can leverage Active Insight, Synology’s cloud-based fleet monitoring system, to detect threats and performance anomalies across multiple NAS units, and even enforce policy-based snapshot creation during suspicious activity. For those managing backups, Synology’s Active Backup Suite covers Windows, Linux, VMware, Hyper-V, and Microsoft 365/Google Workspace, while Hyper Backup supports encrypted, deduplicated, multi-destination backups to local disks, other NAS units, or Synology’s C2 Storage cloud. Surveillance Station also comes bundled with two free IP camera licenses, and can support up to 40 H.265 1080p streams simultaneously—ideal for small-scale CCTV installations that want private, license-free storage.

Synology DS425+ NAS – Price and Release Date

The Synology DS425+ is scheduled to launch globally in June 2025, following an earlier rollout across Eastern markets beginning in the second half of May 2025. Based on its positioning and minimal hardware changes from the DS423+, it is expected to arrive with a similar MSRP in the range of $449 to $499 USD. This pricing places it firmly in the upper-middle segment of Synology’s 4-bay lineup, targeting users who need more performance and features than entry-level models offer, but without the broader expansion and higher price tags of units like the DS923+ or DS925+. However, with the inclusion of the new restrictive drive compatibility policy, buyers will need to factor in the additional cost of Synology-verified HDDs or SSDs, which could notably increase the total cost of ownership compared to similarly priced NAS systems that support a wider range of drives.

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Synology at Computex 2025 – New NAS, Flash, and Surveillance Solutions Unveiled

At Computex 2025, Synology unveiled an extensive range of new hardware and storage solutions across both consumer and enterprise tiers. From compact desktop NAS to high-performance rackmount flash storage systems, the 2025 product line spans diverse use cases in home multimedia, business backups, AI-powered surveillance, and parallel active storage infrastructure. However, a significant underlying theme across this year’s announcements is Synology’s strict enforcement of Synology-verified storage media across both the Plus series and enterprise-class devices.

This ongoing shift in policy has raised concerns within the NAS community—especially among users who rely on third-party drives for flexibility and cost-effectiveness. Messaging around this storage validation system remains inconsistent, with key technical and strategic details still unclear. Nonetheless, this year’s lineup confirms Synology’s intent to consolidate hardware and media under its own ecosystem, even while expanding its presence into flash-first infrastructure and turnkey surveillance platforms.

PAS7700 – Flagship NVMe Enterprise Rackmount Storage

The PAS7700 marks Synology’s formal entry into high-performance all-NVMe storage for the enterprise sector. It is the most powerful product in the new Parallel Active Storage (PAS) series, designed with a dual-controller architecture and full end-to-end U.3 NVMe support. Each controller in the PAS7700 is powered by an AMD EPYC processor, supports up to 1TB of DDR4 ECC memory, and is capable of sustaining 30GB/s sequential throughput with over 2 million 4K random read IOPS. This architecture supports true active-active failover, high concurrency, and data consistency across large virtualized workloads or AI/ML pipelines.

Networking options include up to 4x 100GbE and 12x 25GbE ports (via optional NICs), and expansion is achieved using the PAX224, a 24-bay U.3 NVMe expansion chassis connected via HD-SAS 12Gb/s dual-link architecture. The PAS7700’s chassis is built to scale up to 216 NVMe drives for a maximum raw capacity exceeding 1.6PB, though real-world capacity will depend on drive model, RAID configuration, and overhead.

One of the more contentious elements is that, like all of Synology’s 2025 enterprise lineup, the PAS7700 mandates the use of Synology-verified U.3 NVMe SSDs. The drives shown on the show floor included 8TB Synology-branded U.3 SSDs, though Synology did not confirm their OEM origin, controller model, or endurance ratings beyond stating that they were optimized for sustained IOPS workloads. This storage lock-in policy has drawn criticism from users seeking flexibility in enterprise deployments.

PAS7700 Specifications

PAS3600 – Hybrid Flash Storage for Cost-Efficient Deployment

Positioned as the mid-range sibling to the PAS7700, the PAS3600 provides a more accessible entry into the Parallel Active Storage series by utilizing SATA drives rather than U.3 NVMe. Designed for hybrid flash deployment, the PAS3600 features dual controllers, each running an Intel Xeon processor and supporting up to 256GB of ECC DDR4 memory per controller. While it doesn’t match the raw performance of the PAS7700, it still delivers substantial throughput and redundancy suitable for enterprise virtual machine hosting, storage tiering, and backup environments.

Network connectivity includes support for up to 4x 25GbE and 8x 10GbE ports via optional NICs, with the system capable of scaling out using the PAX212, a 12-bay SATA flash expansion chassis. These expansion units also use 12Gb/s HD-SAS, and maintain redundant power supplies and dual data interconnects to ensure performance stability and non-disruptive scaling. Like the rest of Synology’s 2025 enterprise systems, the PAS3600 enforces the use of Synology-verified SATA SSDs, understandable in this sector of the industry and in line with this kind fo product.

PAS3600 Specifications

DVA7400 – AI-Powered Surveillance Rackmount System

The DVA7400 represents the most powerful surveillance solution Synology has introduced to date. It is the first in the DVA (Deep Video Analytics) lineup to be available in a rackmount form factor, making it suitable for larger, centralized surveillance deployments. The unit leverages an AMD Ryzen processor in combination with a dedicated GPU, enabling support for up to 100 camera streams and 40 simultaneous AI video analysis tasks, such as motion detection, facial recognition, and people counting.

In terms of connectivity, the DVA7400 includes dual 10GbE ports to ensure adequate bandwidth for high-resolution video ingestion and management. Additionally, it features a separate remote management interface, streamlining system oversight in enterprise environments. Internally, the system includes a dedicated AI processor with 190+ TFLOPS FP8 performance and 16GB of VRAM, allowing for real-time video indexing and recognition tasks.

As with most Synology surveillance systems, the DVA7400 includes a limited number of camera licenses by default. However, users deploying Synology-branded cameras benefit from license-free operation. Support for ONVIF-compliant third-party cameras is included but requires standard Synology Surveillance Station licenses. While the hardware is a significant leap forward, the system’s drive compatibility remains subject questionable, as the brand does not currently have an inhouse branded surveillance optimized HDD (eg comparable to WD Purple or Seagate Skyhawk – designed for much heavier WRITE over READ).

DVA7400 Specifications

FS200T – Compact All-Flash NAS for Quiet Environments

The FS200T, formerly expected as the DS625Slim, is now reclassified under the FlashStation series. This compact 6-bay NAS is designed for SSD-only deployments using 2.5″ SATA drives, and is aimed at users needing high-speed, low-noise storage in home studios or small office environments. Internally, it is powered by the Intel Celeron J4125, a quad-core processor that, while dated, includes integrated graphics. It is paired with 4GB of DDR4 memory, which is not ECC and may limit enterprise use.

Network connectivity includes 1x 2.5GbE and 1x 1GbE RJ-45 ports, a configuration that presents a noticeable bottleneck when combined with a 6-SSD RAID setup. No PCIe or expansion options are available. Despite the performance limitations imposed by its dated processor and limited bandwidth, the FS200T’s small form factor and flash-focused design make it a viable solution for read-heavy tasks or quiet operation environments where rotational noise from HDDs is undesirable.

FS200T Specifications

DS725+ – Dual-Bay Plus Series NAS with Expansion Support

The DS725+ is Synology’s latest 2-bay entry in the 2025 Plus series, offering modest upgrades over its predecessor, the DS723+. It features a 2-core, 4-thread AMD Ryzen R1600 processor, 4GB of ECC DDR4 memory (expandable), and includes two Ethernet ports: one 2.5GbE and one 1GbE. Unlike the previous model, the option for PCIe 10GbE upgrade has been removed, marking a notable downgrade in scalability.

Despite its small size, the DS725+ supports expansion up to 7 total drives using the Synology DX525 USB-C expansion unit, allowing users to migrate to larger RAID arrays over time. Internally, it includes two M.2 NVMe slots that can be used for either SSD caching or storage pools, enhancing read/write performance if properly configured. However, NVMe performance may still be limited by the relatively modest CPU and system architecture.

As with all 2025+ series units, this model enforces strict use of Synology-verified drives for optimal compatibility. This includes both the internal SATA bays and NVMe SSDs, aligning with Synology’s broader shift to a closed hardware ecosystem—an approach that continues to draw mixed reactions from the NAS community.

DS725+ Specifications

DS425+ – 4-Bay Multimedia NAS with Modest Refresh

The DS425+ is the 2025 refresh of the DS423+, aimed at SOHO and multimedia users seeking a 4-bay system with enhanced network throughput and M.2 NVMe support. Internally, the DS425+ continues to use the Intel Celeron J4125, a quad-core processor with integrated graphics, and comes with 4GB of DDR4 non-ECC memory. This model includes two Ethernet ports—1x 2.5GbE and 1x 1GbE—a somewhat disappointing choice that limits link aggregation potential and overall throughput compared to systems offering dual 2.5GbE.

The DS425+ includes two M.2 NVMe slots, usable for either SSD caching or as part of a storage pool. However, given the CPU and system bus limitations of the J4125, real-world NVMe performance may be constrained. There are no PCIe upgrade slots, meaning no pathway to 10GbE or further expansion beyond USB and the DX525 expansion unit.

Crucially, as part of the 2025 Plus series, the DS425+ requires Synology-verified drives for compatibility—both for its SATA and NVMe bays. This has led to pushback from users accustomed to broader drive support, especially in the mid-range where cost-effectiveness and flexibility are often more important than validation.

DS425+ Specifications

DS1525+ – 5-Bay All-Purpose NAS with Enhanced CPU and Expansion

The DS1525+ sits in the middle of Synology’s Plus series, offering a blend of scalability, multimedia handling, and business backup functionality. It upgrades the CPU from the DS1522+ by moving from the AMD Ryzen R1600 (2C/4T) to the AMD Ryzen V1500B, a 4-core, 8-thread processor that previously powered the DS1621+ and DS1821+. The system comes pre-installed with 8GB of DDR4 ECC memory, double that of its predecessor.

The DS1525+ includes two 2.5GbE RJ-45 network ports and supports the Synology Network Upgrade Module, which provides a pathway to 10GbE networking via a compact add-in module. This model also retains two M.2 NVMe slots for SSD caching or storage pool creation. It supports expansion to 15 total drives when connected to two DX525 expansion units, making it suitable for growing media libraries or multi-user project environments.

However, it still falls under Synology’s 2025 policy requiring Synology-verified storage media, both for the five primary SATA bays and the M.2 NVMe slots. This requirement continues to stir user debate, particularly in the mid-range segment, where third-party storage flexibility has historically been an expectation.

DS1525+ Specifications

DS1825+ – 8-Bay High-Capacity NAS for Power Users and SMBs

The DS1825+ serves as the high-capacity flagship in the 2025 Plus series, aimed at power users and small to medium businesses that require extensive storage and moderate processing capabilities. Like the DS1525+, it is powered by the AMD Ryzen V1500B (4 cores, 8 threads) and includes 8GB of ECC DDR4 memory by default. The unit offers two 2.5GbE RJ-45 ports, replacing the four 1GbE ports found in its predecessor, the DS1821+.

Storage can be expanded up to 18 total drives by connecting two DX525 expansion units via USB-C. The DS1825+ also includes two M.2 NVMe slots, supporting both SSD caching and dedicated NVMe storage pools. Unlike the DS1525+, it retains a standard PCIe slot, supporting full-sized 10GbE and higher NICs—with Synology now offering 25GbE and 50GbE upgrade cards, expanding its relevance in virtualization and high-bandwidth media workflows.

However, as with all devices in the 2025 Plus series, the DS1825+ enforces Synology’s drive verification system. Only Synology-verified SATA drives and NVMe SSDs are supported for optimal operation, and unsupported drives may be flagged or disabled in future DSM updates—a policy that continues to concern experienced users building mixed-brand NAS environments.

DS1825+ Specifications

DX525 – 5-Bay Expansion Unit for DS and Plus Series

The DX525 is Synology’s latest 5-bay expansion unit, designed for use with a wide range of their 2025 DS and Plus series NAS models. It connects via USB-C rather than the older eSATA standard, supporting newer devices such as the DS725+, DS425+, DS1525+, DS1825+, DS925+, and others.

It provides a seamless way to expand storage without migrating to a larger system or creating a new volume, and is fully integrated into DSM’s Storage Manager for volume extension and RAID expansion.

The DX525 supports both 3.5″ and 2.5″ SATA drives, with hot-swappable trays for quick replacement. While no network or processing capability exists on the unit itself (it’s entirely dependent on the host NAS), it can be used for extending existing RAID volumes or creating new independent volumes. This makes it useful for both capacity growth and tiered storage strategies.

DX525 Specifications

SNV5420 – Enterprise NVMe SSD for Sustained Caching Workloads

The SNV5400 is Synology’s newest high-performance M.2 NVMe SSD for caching and sustained-write workloads, positioned above the earlier SNV3400 series. Targeted at SMBs and enterprise deployments requiring high-speed caching, the SNV5400 delivers up to 660,000 random read IOPS and 120,000 random write IOPS, with a rated endurance of 2,900 TBW. It features end-to-end data protection and power loss protection, ensuring data integrity during unexpected shutdowns—essential for cache-tier applications in critical environments.

Unlike previous Synology NVMe SSDs, the SNV5400 also supports in-system firmware upgrades, reducing maintenance downtime during drive management or lifecycle refresh. It is available in at least one confirmed variant, though broader capacity options have not yet been fully disclosed. The controller used is reportedly the IG5636 FAA, believed to be a Gen4 NVMe controller, but Synology has not publicly confirmed full hardware details or OEM sourcing. In addition to the SNV5400 enterprise drive, Synology showed off a new high-performance M.2 NVMe SSD at Computex 2025 that appears to target heavier workloads than the SNV3400. It reportedly uses the IG5636 FAA controller, which supports PCIe Gen4, suggesting significantly higher throughput than their current Gen3 offerings. However, Synology did not publicly confirm specs such as endurance, capacity range, or the NAND type used.

This unnamed SSD is presumed to be part of a future SNV or new series aimed at advanced caching, AI workloads, or even storage pool applications in high-performance Plus and enterprise NAS models. Synology staff on the show floor were unable to confirm OEM origins or whether this model would be mandatory in future NVMe-capable systems.

HAT5300 20TB – Synology’s Largest Enterprise-Grade HDD

The HAT5300 20TB is the latest and highest-capacity addition to Synology’s line of enterprise SATA hard drives, extending the HAT5300 series for large-volume and high-workload environments. Designed specifically for compatibility with Synology’s 2025 NAS and SAN systems, this 3.5-inch SATA drive offers up to 23% higher sustained sequential read performance than previous models, positioning it as a reliable option for high-throughput backup, archival, and surveillance storage tasks.

The drive supports workloads of up to 550 TB/year, making it suitable for 24/7 operation in business-critical storage arrays. It also includes persistent write cache technology, which helps preserve data integrity during power loss events. Like other models in the HAT5300 line, this drive undergoes over 500,000 hours of internal validation on Synology systems and supports in-system firmware upgrades directly via DSM.

This is currerntly the largest hard drive offered by Synology in their existing line up of storage media drives.

HAT5300 20TB Specifications

BeeStation Plus – Preconfigured Private Cloud with Plex and AI Tools

The BeeStation Plus is Synology’s latest entry in the consumer-grade NAS lineup, positioned as a plug-and-play private cloud aimed at home users, content creators, and families. It comes pre-populated with an 8TB Synology HAT3300 Plus hard drive, sealed within a single-bay enclosure that does not allow for internal drive replacement or expansion. This closed-box approach prioritizes simplicity but removes RAID failover and user-serviceability, relying instead on USB or cloud-based backups.

Internally, the BeeStation Plus runs on an Intel Celeron J4125 processor—an aging but capable quad-core CPU with integrated graphics. It is paired with 8GB of memory, doubling that of the original ARM-based BeeStation. The device ships with Synology’s BeeStation Manager (BSM) software preinstalled and fully configured Plex Media Server, with media libraries and directories already initialized, enabling fast setup for streaming to smart TVs, tablets, and mobile devices. It also features local AI-powered photo indexing and object recognition via Bee Photos.

Backup support includes USB-A and USB-C ports, as well as integration with BeeProtect, Synology’s new cloud backup platform. Each BeeStation Plus includes a 3-month free trial of BeeProtect, after which it transitions to a subscription model. While this system offers some of the easiest Plex deployment in Synology’s portfolio, users should be aware of its limitations—chiefly, the lack of RAID protection, upgrade paths storage scalability limits.

BeeStation Plus Specifications

DS225+ – Budget 2-Bay NAS for Entry-Level Users

The DS225+ is Synology’s entry-level 2-bay NAS refresh for 2025, intended for home users, small backups, and basic multimedia needs. It features the same Intel Celeron J4125 processor found in the DS425+ and BeeStation Plus—offering integrated graphics but limited modern performance. Paired with 4GB of DDR4 memory, the system supports two SATA bays, making it suitable for mirrored RAID 1 setups or small independent volumes.

In terms of connectivity, the DS225+ includes 1 x 2.5GbE and 1 x 1GbE Ethernet ports—adequate for most basic workloads, but still a step behind systems offering dual 2.5GbE or upgradable networking. The system lack the two M.2 NVMe slots that can be configured for SSD caching or used as additional storage pools in the DS725+.

While the DS225+ offers a very approachable route into NAS usage, it is subject to the same Synology-verified storage media policy as the rest of the 2025 series. Users are limited to verified drives for both SATA bays will be especially annying at a device level that is considered very, very ‘entry’, which continues to frustrate those hoping to reuse older hardware or source drives independently.

DS225+ Specifications

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Asustor Rolling Out Gen5 Rackmount NAS – The AS7212RDX and AS7216RDX Lockerstor Pro Gen2

At Computex 2025, Asustor unveils its latest additions to the Lockerstor rackmount family—the Lockerstor R Pro Gen2 series, comprising the 12-bay AS7212RDX and 16-bay AS7216RDX NAS systems. Positioned as high-performance, scalable solutions for small to medium businesses and enterprise deployments, these new models mark a notable hardware shift for the brand. Powered by AMD’s latest Ryzen 7 Pro processors and featuring support for PCIe Gen 5, 10GbE networking, and DDR5 ECC memory, this generation is clearly engineered for intensive multitasking, virtualized environments, and high-throughput applications. In addition to core hardware improvements, the systems ship with the ADM 5 software platform, which brings expanded storage and network configuration options, enhanced snapshot tools, and a wide ecosystem of applications. Combined with support for the new Xpanstor 12R expansion chassis and backed by a 5-year warranty, the Lockerstor R Pro Gen2 series is clearly being positioned to compete in the same space as rackmount solutions from QNAP, Synology, and TrueNAS, but with a focus on open upgrade paths and hardware flexibility. In this article, we break down the hardware, software, and overall direction of this release based on what we’ve seen firsthand on the Computex show floor.

Lockerstor R Pro Gen 2 Hardware Specifications

The Asustor Lockerstor R Pro Gen2 series, comprising the 12-bay AS7212RDX and the 16-bay AS7216RDX, represents a significant upgrade in rackmount NAS architecture, engineered specifically for small to medium-sized businesses and enterprise-grade environments. At the heart of both systems is the AMD Ryzen 7 Pro processor, based on a 5nm process with 8 physical cores. This processor line, typically used in high-efficiency workstations, delivers balanced compute performance and thermal control, making it suitable for multi-threaded tasks such as virtualization, container deployment, and high-volume file services. The systems ship with 16 GB of ECC DDR5 memory as standard, offering improved memory bandwidth and error correction capabilities vital to maintaining consistent data integrity under sustained load.

Category	AS7212RDX (12-Bay)	AS7216RDX (16-Bay)
Form Factor	2U Rackmount	2U Rackmount
Drive Bays	12 x 3.5″/2.5″ SATA/SAS	16 x 3.5″/2.5″ SATA/SAS
Expansion Support	Xpanstor 12R SAS Expansion Unit	Xpanstor 12R SAS Expansion Unit
Processor	AMD Ryzen 7 Pro (8-Core, 5nm)	AMD Ryzen 7 Pro (8-Core, 5nm)
Memory (Standard)	16 GB DDR5 ECC	16 GB DDR5 ECC
Memory (Max)	TBC (likely >96-128 GB, ECC supported)	TBC (likely >96-128 GB, ECC supported)
M.2 Slot	1 x M.2 NVMe (PCIe Gen 5.0 x4)	1 x M.2 NVMe (PCIe Gen 5.0 x4)
PCIe Expansion	1 x PCIe Gen 5.0 x8	1 x PCIe Gen 5.0 x8
Network Ports	2 x 10GbE + 2 x 1GbE RJ-45	2 x 10GbE + 2 x 1GbE RJ-45
Power Supply	Dual Redundant 80 PLUS Platinum	Dual Redundant 80 PLUS Platinum
Hot-Swappable Drives	Yes	Yes
Cooling	Redundant Hot-Swappable Fans	Redundant Hot-Swappable Fans
Chassis Dimensions	TBC	TBC
Weight (Approx.)	TBC	TBC
Warranty	5 Years	5 Years

In terms of storage acceleration and flexibility, both units are equipped with a single M.2 NVMe slot supporting PCIe 5.0, offering a notable increase in throughput compared to earlier PCIe 3.0 or 4.0 implementations. This slot is intended for either SSD caching or as a standalone high-speed storage tier, useful for workflows involving small file I/O, databases, or active archive datasets. Both systems also feature dual 10-Gigabit Ethernet and dual 1-Gigabit Ethernet ports, enabling high-speed networking with support for link aggregation, load balancing, and network redundancy. For those requiring more, a PCIe Gen5 x8 expansion slot is available, compatible with a wide range of enterprise accessories including SAS expansion controllers or additional 25/40/100GbE NICs, offering clear upgrade paths for future network scaling.

Operational resilience is enhanced by redundant 80 PLUS Platinum-certified power supplies, designed to minimize energy waste while providing reliable failover in the event of a PSU failure. The hot-swappable nature of these components, combined with tool-less access to the drive bays and internal fan modules, supports minimal disruption during maintenance or component replacement. Both models use a standard 2U rackmount form factor and support a variety of enterprise-class SATA or SAS drives. Additionally, they are fully compatible with Asustor’s Xpanstor 12R SAS JBOD expansion unit, allowing businesses to scale storage capacity with minimal downtime. Asustor includes a 5-year hardware warranty with these units, placing them firmly in the enterprise support tier and aligning with long-term deployment cycles common in business environments.

Lockerstor R Pro Gen 2 ADM Software

ADM 5, the latest iteration of Asustor’s NAS operating system, is pre-installed on the Lockerstor R Pro Gen2 series and delivers a broad set of administrative, storage, and security features geared toward SMB and enterprise users. The interface is browser-based, with a modular design that separates key configuration areas—such as access control, storage, network, and service management—into distinct application windows. While this layout may require some initial familiarization, it provides logical compartmentalization that benefits ongoing maintenance and delegation of user privileges. On the storage side, ADM supports both Btrfs and EXT4 file systems. Storage pools—representing RAID arrays—must be mapped directly to volumes, meaning that each volume corresponds to a single RAID pool, and the OS does not currently support multiple volumes on a single pool. Snapshot functionality is implemented at the volume level rather than on a per-folder basis, which could be limiting for users seeking granular rollback capabilities. Nevertheless, snapshots can be scheduled at hourly intervals, locked to prevent automatic deletion, and restored manually or automatically, including optional pre-restore snapshot creation. The system also includes scrubbing and defragmentation tools for Btrfs volumes.

ADM 5 includes a wide range of file-sharing services, including SMB (with multichannel support), AFP, NFS, FTP, WebDAV, Rsync, and iSCSI. Each of these services can be configured through a dedicated “Services” panel, with advanced tuning options such as SMB encryption levels, access control lists, and port customization. iSCSI support includes LUN and target creation, authentication, and snapshot scheduling. The built-in File Manager allows users to open multiple file browser windows simultaneously within the same tab, streamlining operations like drag-and-drop transfers or cross-volume comparisons. Shared folders can be configured with granular access control, write-once-read-many (WORM) settings, and optional encryption. Users can also specify upload/download-only folder behavior for shared workspaces. Drive monitoring tools include support for SMART diagnostics, IronWolf Health Management (on supported Seagate drives), and drive lifespan tracking. However, NVMe SSD management features are currently limited, with no built-in benchmarking or thermal analysis tools. On the system security side, ADM Defender provides firewall configuration, IP blacklisting, and brute-force protection policies. Two-step verification, user session management, and auto-lock policies are configurable for each user account. Remote access can be managed through integrated VPN settings, EasyConnect tunneling, and port forwarding, although some tasks require navigating across multiple panels rather than a unified dashboard.

Asustor Lockerstor R Pro Gen 2 Thoughts and Verdict

Seeing the Asustor Lockerstor R Pro Gen2 series up close at Computex 2025, it’s clear that Asustor is starting to target the upper end of the SMB and mid-enterprise market with a platform that prioritizes performance, scalability, and resilience. The use of AMD’s Ryzen 7 Pro processor, DDR5 ECC memory, and support for PCIe Gen5 across both storage and expansion puts this NAS series in a position to compete directly with more established rackmount offerings. With the added flexibility of the Xpanstor 12R SAS expansion unit and redundant 80 PLUS Platinum power supplies, the platform clearly anticipates long-term deployment cycles and high-availability expectations. ADM 5, preloaded on both the 12-bay and 16-bay models, offers a wide range of file services and storage management tools. It’s not the most streamlined interface I’ve seen at the show, but its modularity does provide powerful customization if you’re willing to invest time into setup. Snapshot support, folder-level access controls, and multi-gigabit networking options all contribute to a solid enterprise feature set. While there’s still room for refinement in areas like NVMe SSD analytics and centralized configuration workflows, the ADM ecosystem is evidently maturing in pace with the hardware.

As it stands today at Computex, the Lockerstor R Pro Gen2 looks to be one of the most forward-looking rackmount solutions Asustor has released to date, and one of the most competitive solution at the show! The combination of PCIe Gen5 infrastructure, robust software support, and a competitive warranty makes this system a serious contender for IT environments seeking reliability without stepping into proprietary lock-in or over-complex licensing. Final availability and region-specific configurations are still to be confirmed, but what I’m seeing here suggests Asustor is closing the gap with its more dominant competitors in the rackmount NAS space.

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Synology DS725+ Expandable 2-Bay NAS Revealed

The Synology DS725+ enters the scene as part of the company’s 2025 refresh to its Plus Series lineup, targeting power users, small businesses, and edge deployments that require compact, capable storage solutions without stepping into rackmount or enterprise territory. As a successor to the DS723+, it introduces several meaningful updates that improve the system’s usability right out of the box—most notably, a doubling of base memory to 4 GB ECC DDR4 (up from 2 GB) and the inclusion of a 2.5GbE LAN port for significantly faster network transfers, especially when working with high-resolution media or syncing large datasets across offices. These improvements make it immediately better suited for modern hybrid cloud workflows via Synology Drive, smoother multi-user access in Synology Photos and Office, and more responsive local performance in Surveillance Station environments. However, these upgrades come with trade-offs: the CPU remains unchanged, using the same AMD Ryzen R1600 found in the DS723+, and the PCIe slot has been removed, eliminating the popular option to upgrade to 10GbE networking or install additional specialized cards. As a result, while the DS725+ simplifies connectivity by offering faster speeds upfront, it also enforces a more rigid hardware configuration. It’s a device clearly designed with platform consistency and managed environments in mind—particularly when paired with Synology’s increasingly closed ecosystem of verified drives and accessories. For those already aligned with Synology’s ecosystem, the DS725+ offers a stable and streamlined solution for private cloud deployment that is more about ability than base storage – but with the option to add more later, collaborative data workflows, and secure backup environments. But does it deserve your data? Let’s discuss.

Synology DS725+ NAS – Hardware Specifications

The DS725+ is powered by the same dual-core AMD Ryzen R1600 processor found in its predecessor, the DS723+. This chip runs at a base clock of 2.6 GHz with a boost up to 3.1 GHz and supports hardware encryption acceleration, making it capable of handling simultaneous services like encrypted file access, Synology Drive syncing, and light virtual machine workloads. While it’s a competent processor for this class of NAS, its reuse in the DS725+ may be seen as a missed opportunity for users who were hoping for a newer or more power-efficient generation—particularly with rising expectations around AI-powered indexing and multimedia transcoding. That said, DSM 7.2’s core apps like Hyper Backup, Snapshot Replication, and Active Backup Suite remain well within the CPU’s performance envelope, ensuring reliable day-to-day operations for home offices and remote workers.

Where the DS725+ makes a clear improvement is in memory. Unlike the DS723+, which shipped with 2 GB of ECC RAM, the DS725+ doubles the default capacity to 4 GB ECC DDR4, offering more breathing room for multitasking, container workloads, and collaborative apps like Synology Office and Chat. This is particularly helpful for deployments using packages such as Synology MailPlus or managing multiple Surveillance Station camera streams. The RAM is installed in one of two available SODIMM slots, and the unit officially supports up to 32 GB (16 GB x2), making it suitable for heavier use cases like running multiple virtual DSM instances or handling extensive indexing operations in Synology Photos. ECC memory, while not strictly essential for all users, adds a layer of data integrity that reinforces the DS725+’s suitability for professional and production environments.

In terms of connectivity, the DS725+ makes a decisive shift by replacing the DS723+’s dual 1GbE ports with a more modern setup: one 2.5GbE and one 1GbE port. This move improves real-world transfer speeds out of the box without requiring a PCIe network upgrade, as was previously necessary. However, it also reflects a deliberate limitation: the PCIe Gen3 x2 slot from the DS723+ is no longer present, meaning users cannot add a 10GbE NIC or other expansion cards. Storage-wise, the DS725+ retains the same 2-bay SATA layout, supports hot-swappable 3.5″/2.5″ drives, and introduces M.2 NVMe SSD slots that allow Synology-branded SSDs to be used not just for caching but also for primary storage pools. Users can expand total storage to 7 drives via the DX525 USB-C expansion unit, and cooling is handled by a single 92mm fan in the rear. Power draw remains low, with a 90W adapter and idle consumption under 9W, keeping it efficient for always-on deployment.

Synology DS725+ vs DS723+ NAS – Much of an Upgrade?

At a glance, the DS725+ and DS723+ appear to be cut from the same mold. They share the same AMD Ryzen R1600 dual-core processor, identical physical dimensions, drive bay count, and expansion potential via an optional five-bay unit. However, the DS725+ makes several deliberate design changes aimed at improving out-of-the-box usability, while also signaling a shift toward Synology’s 2025 platform philosophy. Chief among these changes is the inclusion of a 2.5GbE LAN port, replacing one of the two 1GbE ports found on the DS723+. This upgrade allows users to immediately take advantage of higher bandwidth for file transfers, especially useful for larger datasets handled through Synology Drive or multimedia libraries accessed via SMB. At the same time, the DS725+ sheds the DS723+’s PCIe Gen3 x2 expansion slot, which means users no longer have the option to add a 10GbE NIC or other cards. For users needing maximum future-proofing or high-throughput workloads, this loss may feel restrictive.

Another key improvement is in system memory. The DS725+ comes with 4 GB of ECC DDR4 RAM pre-installed, doubling the 2 GB included with the DS723+. This seemingly modest upgrade has real-world implications. Services like Synology Photos, which require more memory for AI-driven facial and object recognition, or Synology Office, which handles collaborative document editing, benefit directly from the added RAM—making the system more responsive and able to support more concurrent users from the outset. For users running multiple applications, hosting virtual DSMs, or leveraging Hyper Backup with compression and deduplication, the DS725+ delivers a more capable base configuration without requiring immediate memory expansion. Both systems support upgrades up to 32 GB, but the DS725+ gives a head start where it matters.

However, the most controversial difference between these two models lies in drive compatibility. The DS723+ was among the last in Synology’s lineup to offer relatively open support for third-party drives—with warning banners but no functional blocks in DSM. The DS725+, by contrast, fully embraces Synology’s walled-garden storage policy. Users must use Synology-verified drives (such as HAT3300/5300 HDDs and SNV3400 SSDs) for core operations like DSM installation, volume creation, and RAID rebuilds. While migrated pools using unverified drives may still mount with warnings, new deployments and expansions are effectively locked down. This shift reflects Synology’s strategy to control hardware variables for improved stability and long-term support—but it’s also a clear trade-off in flexibility and total cost, especially for existing users with stockpiled third-party drives from trusted vendors like Seagate or WD.

Synology DS725+ NAS DSM Software & Services

Like all current-generation DiskStation models, the DS725+ runs on Synology DiskStation Manager (DSM) 7.2, a mature, Linux-based operating system that delivers one of the most refined NAS user experiences available today. DSM combines consumer-friendly accessibility with enterprise-ready tools, making the DS725+ suitable for a wide range of use cases—from personal media libraries to business-critical collaboration environments.

Core services such as Synology Drive transform the DS725+ into a fully private cloud, enabling real-time file syncing across devices and platforms, granular access permissions, file versioning, and web-based document previews. The system can support up to 50 Drive users and half a million hosted files, making it a capable solution for small teams managing shared datasets or projects. Meanwhile, Synology Photos leverages the upgraded system memory to provide intelligent media organization, with facial and object recognition that improves as additional photos are indexed—an increasingly valuable feature in creative or archival workflows.

For data protection and business continuity, the DS725+ supports Synology’s comprehensive backup ecosystem. Active Backup Suite consolidates backup tasks for Windows and Linux endpoints, VMware and Hyper-V virtual machines, and Microsoft 365 or Google Workspace SaaS accounts. Administrators can automate tasks, monitor statuses from a unified console, and execute bare-metal recovery when needed.

Complementing this is Hyper Backup, which allows multi-destination backups—ranging from local USB storage to other NAS units, rsync targets, or Synology C2 Storage. The inclusion of Snapshot Replication provides near-instantaneous versioned recovery with 128 snapshots per shared folder and 256 per system, ensuring protection against data corruption, ransomware, or accidental deletion. These tools can be used together to create a robust, layered protection strategy even in a small-scale deployment.

Beyond file management and backup, DSM turns the DS725+ into a complete digital operations hub. With Synology Office, users can co-author documents, spreadsheets, and presentations in real time within a browser—ideal for small teams replacing Google Workspace or Microsoft 365 with a private alternative. Communication tools like Synology Chat and MailPlus offer encrypted messaging and a scalable private email server with support for up to 60 users (5 free accounts included).

For security-conscious setups or compliance-driven environments, these services operate entirely within your NAS, without relying on third-party cloud platforms. Meanwhile, Surveillance Station allows the DS725+ to manage up to 40 IP cameras at 1080p (H.265) with license-free recording for two channels, making it a competent choice for office or home surveillance when paired with Synology’s mobile and desktop apps. DSM’s inclusion of Adaptive Multi-Factor Authentication (AMFA), Active Insight fleet monitoring, and SSL/TLS support ensures that even this compact 2-bay NAS delivers serious administrative and security capabilities.

Synology DS725+ NAS Release and Price

The Synology DS725+ is set for a phased global release, with initial availability rolling out across Eastern markets—including Japan, Taiwan, China, and Australia—in late May 2025, followed by a wider international launch in June 2025. While Synology has yet to publish official retail pricing, the DS725+ is expected to arrive in line with its predecessor, the DS723+, placing it in the $449 to $499 USD range. This positions the DS725+ in the upper tier of the compact 2-bay NAS segment, offering a blend of business-capable performance and centralized storage management for prosumers, remote workers, and small teams.

Although its specifications remain similar to the DS723+ in some areas—particularly with regard to the CPU—the DS725+ includes default features like 2.5GbE networking and higher base memory, which previously required add-ons or manual upgrades. These improvements may appeal to users who want a more capable system straight out of the box without needing to invest in additional hardware. However, buyers should also be aware of the tightened hardware compatibility policy introduced across Synology’s 2025 product line. As with other new-generation models, the DS725+ requires Synology-verified drives for key operations such as DSM installation, volume creation, and SSD caching, which could impact overall system cost and drive choice flexibility.

Given these factors, the DS725+ is best suited for users seeking a stable, tightly integrated NAS experience with long-term software support and advanced functionality provided through DSM. While those with existing third-party drives may need to consider compatibility constraints, the DS725+ still represents a focused and modernized solution in the 2-bay NAS category—particularly for those fully aligned with Synology’s expanding ecosystem.

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Orico CF Cybervault NAS Series Coming Soon

Orico Cyberdata Vault NAS Software Specifications

All six models in the CyberData Vault lineup operate on CyberData OS, ORICO’s fully self-developed operating system designed for professional-grade data storage and media management. Built around the enterprise-grade ZFS file system, the OS supports features such as inline data integrity verification, native encryption, space-efficient snapshots, and advanced RAID configurations (RAID 0/1/5/6/10 on all models, and RAID 50/60 on the CF1000). The ZFS layer also enables up to a 30% performance boost over EXT4 in typical file access and backup scenarios. Data resilience is central to the platform, with support for deduplication, rollback, and point-in-time recovery, making it suitable for high-stakes environments where data consistency and uptime are critical.

CyberData OS is built with cross-platform compatibility, providing unified access and real-time collaboration between Windows, macOS, Android, iOS, and smart TVs. A full set of user and role management tools enables secure file access across teams or departments, while snapshot-based rollback ensures fast recovery from accidental deletions or ransomware incidents. Remote access is handled through P2P networking, allowing seamless file transfers, Office document previews, and collaborative editing, even outside the local network—without compromising on security. The platform also supports one-click file backup and Time Machine integration for macOS, providing tailored backup workflows for both casual and power users.

Beyond core storage functions, the OS serves as a media hub, complete with 4K playback support, automatic movie wall generation, and integration with third-party cloud platforms—allowing users to stream or preview content without full downloads. AI capabilities are deeply embedded, particularly in the CF56 Pro and CF1000, where localized AIGC (AI-generated content) features are available. Users can perform semantic image searches, facial recognition, location-based media filtering, and automatic music/video categorization. These AI tools enhance productivity by minimizing manual sorting and retrieval work in large media libraries.

For developers and power users, the system includes an upgraded FaaS-based Docker environment, allowing microservices deployment, scaling of containerized apps, and remote control of Windows and Linux VMs. Paired with the GPU Dock integration, the NAS can be transformed into a high-performance workstation for offline rendering, design work, or even virtual machine gaming. Additionally, ORICO supports expansion through a Thunderbolt RAID cabinet, offering scalable, high-speed external storage ideal for demanding data workflows or secure long-term backups. Combined, these features elevate CyberData OS from a standard NAS interface to a multi-role private cloud operating environment, capable of adapting to a broad spectrum of home and enterprise tasks.

Who Are Orico?

ORICO Technologies Co., Ltd. is a Shenzhen-based hardware manufacturer known for producing a wide range of consumer and professional-grade storage, connectivity, and power solutions. Established in the early 2000s, ORICO has gained recognition for its extensive portfolio of USB hubs, docking stations, enclosures, and more recently, NAS devices. The company has built its reputation around delivering functional, affordable technology designed for both home and enterprise users, often focusing on modular expandability and compatibility with emerging interface standards like USB4, Thunderbolt, and 10GbE. With the upcoming launch of the CyberData Vault NAS series, ORICO is signaling a shift toward deeper integration of AI, high-performance computing, and enterprise-ready data management—all within a private cloud framework tailored to small teams and professionals looking to move away from subscription-based storage platforms.

The Orico Cyberdata Vault NAS – Price and Release Date

The ORICO CyberData Vault NAS series is expected to launch via Kickstarter in late May to early June, marking the company’s formal entry into the high-performance private cloud storage sector. While final pricing has not yet been confirmed, ORICO aims to offer a competitive tiered structure across the six models, reflecting differences in storage configurations, processing power, and expansion options. Positioned as a direct response to a wave of emerging Chinese NAS alternatives, the CyberData Vault lineup is expected to compete with recent and upcoming releases such as the UGREEN NASync DXP series, the Minisforum N5 Pro, and the Aoostar WTR Max. All of these systems target prosumer and professional users seeking hybrid storage, high-speed connectivity, and non-subscription-based private cloud infrastructure—an increasingly active space that ORICO appears intent on disrupting with its multi-model launch strategy.

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The Synology DS925+ versus Synology DS923+ – Buy OLD or BUY New?

Every few years, when Synology chooses to refresh several of its popular devices—updating a number of its hardware features—new buyers and those looking to upgrade have a choice to make. Is it nobler in the mind to purchase the more affordable and already well-known older-generation device, or hold out and purchase the brand-new, refreshed, updated model with its improved hardware but likely slightly increased price tag? Refreshes are planned for 2025. Today, I want to discuss whether users should consider purchasing the DS923+—which has been in the market for several years now—or set their sights on the newer DS925+ NAS. On the face of it, many will consider this an easy choice, as newer hardware likely means a better system. However, the reality is much more nuanced. Alongside older-generation hardware having had a greater deal of time to be developed within its own ecosystem and by third-party developers, there is also the question of whether newer-generation hardware really is genuinely a hardware upgrade. Or do you have the potential to miss out on certain hardware features in the new generation that may have become legacy options (remember the DS920+?). Which one deserves your money and your data?

Synology DS925+ NAS		Synology DS923+ NAS
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Synology DS925+ vs DS923+ – Hardware Specifications

When comparing Synology’s DS925+ and DS923+, it’s easy to assume the newer model automatically holds the advantage. However, a closer inspection of their hardware specifications reveals a more nuanced story where hardware changes in the 2025 Series are…mixed (that sounds fair, right?). While both systems cater to prosumers and small business users with high expectations for performance and reliability, they differ in several key areas—from CPU architecture and networking capabilities to expansion options and noise levels. Below, we break down the detailed hardware specifications of both NAS units side-by-side, highlighting where one system clearly outshines the other and where parity exists.

Category	DS925+	DS923+	Advantage / Notes
CPU Model	AMD Ryzen V1500B	AMD Ryzen R1600	–
CPU Cores / Threads	4 Cores / 8 Threads	2 Cores / 4 Threads	DS925+ offers more cores and threads
CPU Frequency	2.2 GHz	2.6 GHz (base) / 3.1 GHz (turbo)	DS923+ has higher clock speeds
Architecture	64-bit	64-bit	–
Hardware Encryption Engine	Yes	Yes	–
Memory (Pre-installed)	4 GB DDR4 ECC SODIMM (1x 4 GB)	4 GB DDR4 ECC SODIMM (1x 4 GB)	–
Total Memory Slots	2	2	–
Max Memory Capacity	32 GB (2x 16 GB)	32 GB (2x 16 GB)	–
Drive Bays	4	4	–
Max Drive Bays (with Expansion)	9 (DX525 x1)	9 (DX517 x1)	–
M.2 Drive Slots	2 (NVMe)	2 (NVMe)	–
Supported Drive Types	3.5″ SATA HDD, 2.5″ SATA SSD, M.2 2280 NVMe SSD	3.5″ SATA HDD, 2.5″ SATA SSD, M.2 2280 NVMe SSD	–
Hot Swappable Drives	Yes (SATA only)	Yes (SATA only)	–
LAN Ports	2 x 2.5GbE RJ-45	2 x 1GbE RJ-45	DS925+ offers faster network ports
USB Ports	2 x USB 3.2 Gen 1	2 x USB 3.2 Gen 1	–
Expansion Port Type	USB Type-C	eSATA	DS925+ has a modern expansion port
PCIe Slot	None	1 x PCIe Gen3 x2 (network expansion)	DS923+ allows NIC upgrades
Dimensions (HxWxD)	166 x 199 x 223 mm	166 x 199 x 223 mm	–
Weight	2.26 kg	2.24 kg	DS923+ is slightly lighter
System Fans	2 x 92mm	2 x 92mm	–
Fan Modes	Full-Speed, Cool, Quiet	Full-Speed, Cool, Quiet	–
LED Brightness Control	Yes	Yes	–
Power Recovery	Yes	Yes	–
Noise Level (Idle)	20.5 dB(A)	22.9 dB(A)	DS925+ is quieter
Power Supply	100W Adapter	100W Adapter	–
Power Consumption (Access / Hibernation)	37.91 W / 12.33 W	35.51 W / 11.52 W	DS923+ is slightly more power efficient
BTU (Access / Hibernation)	129.27 / 42.05	121.09 / 39.28	DS923+ generates less heat
Operating Temp	0°C to 40°C	0°C to 40°C	–
Storage Temp	-20°C to 60°C	-20°C to 60°C	–
Humidity	5% to 95% RH	5% to 95% RH	–
Warranty	3 years (extendable to 5 years)	3 years (extendable to 5 years)	–

The hardware comparison between the Synology DS925+ and DS923+ highlights that, while these two NAS models share a common design and similar baseline features, they also differ in ways that could significantly impact real-world use. Both offer 4 drive bays, dual M.2 NVMe slots, dual memory slots supporting up to 32 GB ECC DDR4 RAM, and nearly identical physical dimensions and cooling configurations. However, their distinct hardware differences become apparent when you look beyond these fundamentals. The DS925+ provides users with faster 2.5GbE LAN ports by default—doubling the network throughput capability compared to the DS923+’s 1GbE ports. This makes the DS925+ better suited to environments where higher network bandwidth is required, such as multi-user file sharing, large media transfers, or remote backups. Additionally, it features a more modern USB Type-C expansion interface and operates at a lower idle noise level, which may be important for those placing the NAS in noise-sensitive spaces like home offices or studios.

Meanwhile, the DS923+ offers a unique advantage in expandability, thanks to its PCIe Gen3 x2 slot, which allows for add-on network cards—something the DS925+ lacks. This modularity can be a decisive factor for users who want the flexibility to upgrade to 10GbE networking or other accessories in the future. The DS923+ also comes in slightly lighter and marginally more power-efficient under typical access and hibernation loads, which may appeal to users seeking a balance between performance and energy use. In the end, both models are capable and versatile NAS units, but their hardware differences point them toward different user priorities. The DS925+ favors users looking for built-in speed, quieter operation, and simplicity. In contrast, the DS923+ caters more to those who value customization, long-term expandability, and subtle improvements in efficiency. Matching these characteristics with your specific deployment goals will help determine which model is the better fit.

DS925+ wins in: CPU core/thread count Network port speed (2.5GbE) Expansion port type (USB-C) Lower noise output

DS923+ stands out for: Higher CPU frequency PCIe expansion slot for upgrades Slightly lower power and heat output

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AMD R1600 vs V1500B – CPU Specifications (Synology DS923+ vs DS925+)

When we examine the CPU specifications in isolation, it’s clear that the V1500B in the DS925+ delivers greater multi-core throughput, while the R1600 in the DS923+ offers higher single-core clock speeds. But understanding how these numbers affect real-world tasks within Synology’s DiskStation Manager (DSM) is far more meaningful. Thanks to its 4-core, 8-thread configuration, the DS925+ excels in multi-threaded workloads, which is evident in its higher software limits. It supports up to 8 virtual machines and 8 virtual DSM instances through Virtual Machine Manager, making it ideal for users running containerized services, development environments, or isolated OS instances. Additionally, it handles more concurrent SMB connections (up to 40 with RAM expansion), supports up to 150 Synology Chat users, 80 Synology Drive users, and 80 Synology Office users—all reflecting its capacity to manage a larger user base and more simultaneous services without bottlenecks.

For surveillance and media workloads, the DS925+ also pulls ahead, matching the DS923+ in the number of supported camera channels (up to 40 cameras and 1200 FPS at 1080p H.265), but benefiting from more headroom when additional tasks are running in parallel—such as snapshots, backups, or AI-powered photo indexing via Synology Photos. Meanwhile, the DS923+, with its faster per-core performance and support for PCIe expansion, remains well-suited to users running lighter, more focused workloads or who plan to scale via hardware add-ons, such as a 10GbE network card. It still supports a respectable 4 VMs, 60 MailPlus users, and 50 users each for Synology Drive and Office, making it perfectly adequate for small teams or power users who prioritize customization and future expansion. While both CPUs are capable, the DS925+ delivers superior multi-user, multi-tasking performance, aligning closely with higher software thresholds and offering better out-of-the-box readiness for more demanding and concurrent applications across Synology’s DSM suite.

• R1600 (DS923+) excels in single-core performance (better for fast app responsiveness and lighter workloads).

• V1500B (DS925+) dominates in multi-core performance (better for multitasking, virtualization, and heavier parallel tasks).

• The V1500B also has more PCIe lanes (16 vs 8), which may benefit systems with more storage or networking needs.

Synology DS925+ vs DS923+ – Software Specifications

Beyond hardware, the real power of a NAS lies in what it enables users to do—and that’s where software specifications take center stage. Synology’s DSM (DiskStation Manager) operating system unlocks a vast suite of applications and services, from virtualization and backup to media streaming, file sharing, and surveillance. However, the scope and scale of these capabilities are directly influenced by the underlying system hardware and memory architecture. Let’s compare the software capabilities of the Synology DS925+ and DS923+, not just in terms of what each system can technically support, but how far each can be pushed in real-world use. We examine backup limits, virtual machine support, hybrid cloud services, user and group management, surveillance channel support, and more—offering a complete picture of each system’s software potential under DSM 7.2.

While both the Synology DS925+ and DS923+ run the same robust DSM software and offer access to the full Synology ecosystem, their software ceilings differ significantly—reflecting the difference in overall system capability. The DS925+ consistently supports higher concurrent workloads across nearly every category. It enables up to 8 virtual machines, compared to just 4 on the DS923+, and supports double the Virtual DSM instances. It also allows for more Synology Chat users (150 vs 100), more Synology Office and Drive users (80 vs 50), and handles twice the VPN connections (8 vs 4). For collaborative environments, this means smoother performance when multiple users are accessing files, editing documents, or messaging in real time. It’s also more equipped for enterprise use with double the number of Shared Folder Sync tasks and higher MailPlus user capacity (90 vs 60 users), making it ideal for larger teams or more demanding deployment scenarios.

Meanwhile, the DS923+ still provides an impressive software suite, especially considering its smaller hardware footprint. It supports all major DSM features—Snapshot Replication, Hyper Backup, High Availability, Surveillance Station, and more—making it a solid choice for small businesses or power users who may not need the extended capacity but still want rich functionality. Its support for 10GbE upgrades via PCIe also allows for flexible scaling, even if its base configuration starts at a lower software threshold. The DS925+ is better suited for multi-user environments, heavier workloads, and broader deployment, while the DS923+ is ideal for lighter workflows, cost-sensitive setups, or users planning to grow into the system gradually. Understanding these software limitations and allowances is key to choosing the right NAS for your workload, user count, and future planning.

• The DS925+ outperforms the DS923+ in:

  • Max volume size (up to 200 TB with RAM upgrade)

  • SMB connections

  • Shared folder sync tasks

  • Synology Chat users

  • MailPlus users

  • Synology Drive & Office users

  • Virtual machines and VPN connections

• The DS923+ has an edge only in volume count, supporting 64 internal volumes vs 32.