Asustor AS6704T v2 Lockerstor 4 Gen2+ NAS Hardware Review, Worth Your Data?

Asustor has always sat slightly off to one side of the mainstream NAS conversation. It does not chase the same marketing angles as the bigger names, but it has consistently tried to combine features that other brands often keep separated by model tier. The Lockerstor series is a good example of that approach, mixing prosumer hardware touches such as a metal chassis, HDMI output and multiple SSD bays with a fairly traditional four bay NAS layout. The Lockerstor 4 Gen2+ is not a clean-slate redesign. Instead, it is a mid-range refresh of the existing Lockerstor 4 Gen2, built on the same underlying platform. The CPU remains the Intel Celeron N5095, memory starts at 4 GB of DDR4, the four internal M.2 NVMe slots are unchanged, and the chassis and physical layout are effectively identical. The meaningful update in this revision is networking, with the Gen2+ moving from dual 2.5GbE ports to dual 5GbE. That change is intended to raise the usable network headroom for single users and small teams, particularly where SSD caching or multiple clients are involved, without forcing buyers straight into 10GbE. At the same time, the broader market has moved on since the original Gen2 launched. 2.5GbE is now common at this price point, and the N5095, while still stable and capable, is no longer the standout CPU it was in 2022 and 2023, with newer low power Intel platforms offering better efficiency and raw performance. Taken as a whole, the Lockerstor 4 Gen2+ is best viewed as a targeted update designed to keep the existing Lockerstor platform relevant for longer. It does not attempt to redefine what a mid-range four bay NAS should be, but instead focuses on addressing network performance as storage media and workflows continue to push beyond the limits of 2.5GbE.

Asustor AS6704T v2 Lockerstor 4 Gen2+ NAS Review, Quick Conclusion

The Lockerstor 4 Gen2+ is a competent and largely familiar system. From a hardware perspective, it remains solid, well built and flexible, with few outright weaknesses in isolation. The metal chassis, internal expandability and feature set still compare well against many competing four bay NAS systems. However, this revision does not materially change the overall character or capability of the platform beyond networking. The move from dual 2.5GbE to dual 5GbE is the defining update. For users who already have compatible network infrastructure, or who are working close to the limits of 2.5GbE with multiple clients, SSD caching or larger hard drives, this upgrade does provide tangible benefits. For others, particularly those still on gigabit or mixed networks, the improvement may be largely theoretical in day to day use. At the same time, the unchanged use of the Intel Celeron N5095 is more noticeable now than it was at the original Gen2 launch. While it remains stable and well supported, it no longer stands out in a market where newer low power Intel CPUs offer better efficiency and performance at similar price points. Combined with pricing that now faces stronger competition, the Gen2+ feels more like a stopgap refresh than a forward looking update. Overall, the Lockerstor 4 Gen2+ is a capable NAS that makes sense primarily for users who value its physical design, internal expandability and Asustor’s flexible hardware policy, and who can take advantage of 5GbE networking today. It is less compelling as a general upgrade for existing Gen2 owners, or as a default recommendation in a crowded mid-range market.

SOFTWARE - 6/10

HARDWARE - 7/10

PERFORMANCE - 7/10

PRICE - 6/10

VALUE - 7/10

6.6

PROS

Dual 5GbE networking provides higher aggregate and single client throughput than 2.5GbE when supported by the surrounding network
Four internal M.2 NVMe slots allow SSD caching, SSD storage pools, or mixed configurations without sacrificing SATA bays
Solid metal chassis and metal drive trays provide durability and assist passive heat dissipation
HDMI output with Asustor Portal enables direct media playback, VM interaction and local management without a client PC
Supports both EXT4 and Btrfs, including snapshot functionality for basic data protection and recovery
PCIe expansion slot allows future upgrade to 10GbE, extending the usable lifespan of the system
Flexible storage configuration, including use of NVMe drives as independent storage pools rather than cache only
Hardware warranty remains valid when installing third party NAS operating systems, supporting advanced and DIY users

CONS

Intel Celeron N5095 is now dated relative to newer low power CPUs available at similar price points (eg N100, N150, N355, etc) right now
ADM software is stable but lacks the depth, automation and flagship features found on some competing platforms
PCIe slot is shared between NVMe carrier and expansion cards, forcing a choice without a compatible combo card
Pricing faces stronger competition in 2026, reducing its appeal as a default mid range NAS option

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Asustor AS6704T v2 Lockerstor 4 Gen2+ NAS Review, Design

The physical design of the Lockerstor 4 Gen2+ is effectively unchanged from the earlier Gen2 model. Asustor has retained the same chassis, dimensions and layout, making this revision visually indistinguishable from its predecessor. This is a deliberate choice rather than an oversight, and it reflects Asustor’s preference for continuity in this product line.

The enclosure is almost entirely metal, including the outer shell and the individual drive trays. This gives the unit a robust, industrial feel and contributes to passive heat dissipation. It also differentiates the Lockerstor from many competing four bay NAS systems that rely more heavily on plastic for cost and noise reduction. The trade-off remains increased vibration and audible resonance when using higher capacity, faster spinning hard drives.

On the front of the unit, the Lockerstor retains its LCD display, a feature that has largely disappeared from this segment. The display provides system status information such as IP addresses, temperature readings and alert notifications. Beyond basic monitoring, it can also be used for initial system setup, allowing the NAS to be configured without a connected computer. While this will not replace web based administration for ongoing management, it remains useful for rapid deployment and troubleshooting, particularly when network access is limited.

Status LEDs are present alongside the display and drive bays, offering basic activity indicators. These are functional but secondary to the information provided by the LCD panel. A front mounted USB port with a dedicated copy button is also retained. This supports both manual and automatic backup tasks and has been upgraded in earlier Gen2 models to USB 3.2 Gen 2, allowing higher speed transfers to and from external storage devices.

The drive trays themselves are metal, ventilated and feature a locking mechanism. They support both 3.5 inch and 2.5 inch SATA drives and allow hot swapping where the configuration permits. The tray design prioritizes rigidity and airflow over acoustic dampening, which again reinforces the Lockerstor’s server-like character rather than a living room friendly one.

Ventilation is handled through a combination of tray perforation, side vents and a large rear mounted cooling fan. There have been minor adjustments over successive revisions to improve airflow around the M.2 area, but the overall cooling approach remains conservative and tuned for reliability rather than silence.

In summary, the design of the Lockerstor 4 Gen2+ will appeal to users who value durability, serviceability and physical controls. It does not attempt to modernize its appearance or reduce its footprint, and buyers sensitive to noise or aesthetics should be aware of the compromises that come with this design philosophy.

Asustor AS6704T v2 Lockerstor 4 Gen2+ NAS Review, Ports and Connections

The rear connectivity of the Lockerstor 4 Gen2+ closely resembles that of the earlier Gen2 model, with one important exception. The dual 2.5GbE ports have been replaced with dual 5GbE Ethernet, which represents the core purpose of this refresh. Everything else in the port layout remains largely the same, reinforcing that this is a targeted update rather than a rework of the platform.

The two 5GbE ports support standard Ethernet features including link aggregation and SMB Multichannel. In practical terms, this allows higher aggregate throughput when multiple clients are accessing the NAS simultaneously, or improved single client performance in supported environments. Asustor positions this as offering near 10GbE class performance without the cost or infrastructure demands of full 10GbE. In reality, the benefits depend heavily on the surrounding network hardware, client support and workload type. Users without compatible switches or clients will see little immediate advantage over 2.5GbE.

Alongside the Ethernet ports, the Lockerstor 4 Gen2+ retains its HDMI output. This is used with Asustor Portal, a parallel interface that allows direct interaction with media playback, virtual machines and containerized applications when the NAS is connected to a display. Unlike some competing implementations, this HDMI output is actively supported, though it remains a secondary interface compared to the browser based ADM environment. Two rear USB ports provide USB 3.2 Gen 2 connectivity for high speed external storage, adapters and peripherals.

A PCIe expansion slot is also present and remains an important part of the Lockerstor design. In the Gen2+ series, this slot is described as no longer proprietary, allowing broader compatibility with third party 10GbE network cards. This adds flexibility for users who expect to outgrow 5GbE in the future, although it still requires choosing between PCIe expansion and the preinstalled M.2 carrier board.

The combination of four SATA bays, four internal NVMe slots and dual 5GbE networking provides sufficient internal and external bandwidth for many small office and creative workloads. However, it is worth noting that modern hard drives and NVMe SSDs can quickly approach or exceed the limits of a single 5GbE connection. In environments where sustained maximum throughput is a priority, the optional move to 10GbE may still be the more appropriate long term choice.

Overall, the port selection on the Lockerstor 4 Gen2+ is well rounded and flexible. The addition of dual 5GbE meaningfully updates the networking capability of the system, but it does not fundamentally change how the device integrates into a network compared to the earlier Gen2.

Asustor AS6704T v2 Lockerstor 4 Gen2+ NAS Review, Internal Hardware

Internally, the Lockerstor 4 Gen2+ is almost identical to the earlier Gen2 model. Asustor has not revised the core platform, and the internal layout, controller architecture and expansion approach remain the same. This consistency simplifies evaluation, but it also makes the age of some components more apparent in the current market.

The system is powered by the Intel Celeron N5095, a quad core processor based on Intel’s Jasper Lake architecture. At launch, this CPU was widely adopted in mid range NAS systems due to its balance of power consumption, integrated graphics and general purpose performance. It operates at a 2.0 GHz base frequency with burst speeds up to 2.9 GHz. In 2026 terms, the N5095 is no longer a standout choice. Newer low power Intel CPUs offer improved efficiency and stronger CPU side performance at similar price points, particularly for non media workloads.

The presence of integrated graphics remains relevant for hardware assisted video transcoding and HDMI based output, and the N5095 continues to handle typical NAS tasks, light virtualization and container workloads without issue. However, users planning heavier multi VM deployments or CPU intensive services may find the platform limiting compared to more recent alternatives.

Memory configuration starts at 4 GB of DDR4 2933 MHz SODIMM memory and can be expanded up to 16 GB. This is sufficient for most file serving, backup and multimedia tasks, and provides some headroom for virtualization and containers. ECC memory is not supported, which is worth noting given the pricing and the comparison to some competing systems in this segment.

One of the defining features of the Lockerstor platform remains the inclusion of four M.2 NVMe SSD slots. These support 2280 form factor drives and operate over PCIe Gen3. The slots can be used for SSD caching, dedicated storage pools, or a mixture of both, offering flexibility that is not universally available in this class. The practical throughput per slot is lower than modern x4 NVMe drives can deliver, but still significantly higher than SATA SSDs and more than sufficient for caching and high IOPS workloads. The NVMe slots are mounted on a dedicated PCIe carrier board that occupies the system’s expansion slot. This design choice means users must choose between using the four M.2 slots and installing a PCIe network card, unless a compatible combination card is used. While workable, it remains a compromise that should be considered when planning long term upgrades.

Overall, the internal hardware of the Lockerstor 4 Gen2+ remains capable and flexible, but it is clearly rooted in an earlier generation of mid range NAS design. The networking upgrade extends its usefulness, but it does not address the broader shifts in CPU and platform expectations that have emerged since the original Gen2 release.

Asustor AS6704T v2 Lockerstor 4 Gen2+ NAS Review, Software

The Lockerstor 4 Gen2+ ships with the latest version of Asustor Data Master, commonly referred to as ADM. Functionally, the software experience is the same as on the earlier Gen2 models, with no Gen2+ specific changes or features introduced as part of this refresh. Any improvements are the result of ongoing platform updates rather than hardware driven differentiation.

ADM presents a desktop style interface accessed through a web browser, with windowed applications, user accounts and a traditional file manager. It is straightforward to navigate and generally stable in operation. Performance on the N5095 platform is consistent and predictable, with no major responsiveness issues during typical file serving, backup or media management tasks.

Asustor continues to support both EXT4 and Btrfs file systems. Btrfs brings snapshot support and data versioning for shared folders and iSCSI volumes, while EXT4 remains available for users who prefer a simpler, lower overhead file system. Snapshot Center integrates with Btrfs to provide scheduled and manual snapshots, offering basic protection against accidental deletion or ransomware scenarios.

The application ecosystem in ADM remains broad but uneven. Core first party applications for storage management, backups, media indexing and basic virtualization are present and generally reliable. However, a number of advanced functions rely heavily on third party software. Virtualization, for example, is still built around VirtualBox rather than a native hypervisor. Container support is provided through Docker and Portainer, which is flexible but assumes a degree of user familiarity.

Multimedia support is one of ADM’s stronger areas. Applications such as LooksGood, Photo Gallery and SoundsGood provide local media management and streaming, and hardware assisted video transcoding is available through the Intel integrated graphics. HDMI output via Asustor Portal runs in parallel to ADM and allows direct playback and interaction with selected applications. While this remains more fully featured than some competing HDMI implementations, it is clearly secondary to the browser based interface and receives fewer updates.

Backup and synchronization tools are comprehensive in scope. ADM supports local and remote backups via rsync, USB devices, NAS to NAS replication and a wide range of public cloud services. DataSync Center and Cloud Backup Center consolidate many of these functions into centralized tools, though configuration can feel fragmented compared to more tightly integrated platforms.

Security features have expanded steadily since earlier releases. ADM includes a firewall, automatic IP blocking, antivirus scanning through ClamAV, two step verification and encryption options for shared folders and MyArchive volumes. These features provide a reasonable baseline for small business and advanced home users, though they rely on manual configuration rather than automated policy driven protection.

Overall, the ADM software platform is stable, functional and capable of supporting a wide range of use cases. It does not stand out for innovation or advanced automation, and it lacks some of the higher level, tightly integrated services offered by competitors. For users seeking a dependable and flexible NAS operating system that prioritizes core functionality over novelty, ADM remains adequate. For those placing heavy emphasis on software features and ecosystem depth, it may feel comparatively restrained.

Asustor AS6704T v2 Lockerstor 4 Gen2+ NAS Review, Conclusion

The Lockerstor 4 Gen2+ is best understood as a maintenance refresh rather than a new generation. Asustor has taken an existing and well established platform and updated it in one specific area, network connectivity, to better align with how storage performance and workloads have evolved since the original Gen2 launch. Outside of that change, the system remains fundamentally the same device. The move to dual 5GbE does meaningfully extend the usable lifespan of the Lockerstor 4 design for users who are already constrained by 2.5GbE, particularly in multi user environments or setups that make effective use of SSD caching and faster hard drives. For those users, the Gen2+ offers a tangible improvement without the immediate cost or complexity of moving to 10GbE. For others, especially those still on gigabit or mixed networks, the practical benefit may be limited.

At the same time, the unchanged internal platform is harder to ignore in 2026. The Intel Celeron N5095 remains stable and compatible with a wide range of workloads, but it no longer compares as favourably against newer low power CPUs now appearing in similarly priced systems. Combined with increased competition across this segment, the value proposition of the Gen2+ is narrower than it was when the original Gen2 launched. The Lockerstor 4 Gen2+ will appeal most to buyers who value its physical build quality, internal expandability, flexible storage configuration and Asustor’s relatively open hardware stance, including third party OS support. It is less compelling as an upgrade for existing Gen2 owners, and it is not a clear default choice in the current mid range NAS market unless its specific strengths align with the intended use case. In short, the Gen2+ succeeds in keeping the Lockerstor platform relevant for longer, but it does not redefine it.

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The Terramaster F4-425 Value Intel 4-Bay – Does It Deserve your Data?

The TerraMaster F4-425 is positioned as a lower cost entry point into the company’s Intel based NAS lineup for the 2025 to 2026 generation, sitting below the Plus, Pro, and Max series models. It combines a 4 bay desktop chassis with the Intel Celeron N5095, 4GB of DDR4 memory with upgrade support up to 16GB, and a single 2.5GbE network interface. This places it squarely in the middle ground between basic ARM powered NAS systems and more fully featured x86 solutions with higher network bandwidth and NVMe expansion. The appeal of the F4-425 lies in its balance rather than specialization, offering enough CPU performance for multi user file access, media streaming, and general application use, while keeping cost, noise, and power consumption relatively controlled. It is clearly designed for users who want an Intel based NAS for everyday storage and media tasks, but who do not necessarily need the higher throughput, expansion options, or future scalability found in TerraMaster’s more expensive models.

SOFTWARE - 8/10

HARDWARE - 7/10

PERFORMANCE - 6/10

PRICE - 9/10

VALUE - 8/10

7.6

PROS

Competitive Intel-Based Value in a 4 Bay Format with the F4-425 vs other Intel Entry Systems
Flexible Storage Management With TRAID and TRAID Plus in the F4-425
Balanced Performance for Media and Multi-User Access of the F4-425 system
Practical Software Feature Set With TOS 6 of the F4-425
Flexible Platform for Turnkey or DIY NAS Use with the F4-425

CONS

Single 2.5GbE Network Port Limits Throughput of the F4-425
1.7 Lack of NVMe Expansion Limits Internal Performance in the F4-425
Aging CPU Platform for a New Generation NAS of the F4-425
HDMI Output With No Practical Software Use on the F4-425
Overlap With Better Equipped Models in the Same Lineup of the F4-425

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Competitive Intel-Based Value in a 4 Bay Format with the F4-425 vs other Intel Entry Systems

One of the key advantages of the F4-425 is how it positions itself within the x86 turnkey NAS market, particularly in the 4 bay segment. Systems that combine an Intel processor, upgradeable memory, and faster than gigabit networking are typically aimed at prosumer or small business buyers and often carry a noticeably higher price. The F4-425 offers a complete, ready to use solution that includes TerraMaster’s TOS 6 operating system, allowing users to deploy storage, backups, and shared services without needing to install or license additional software.

This lowers the overall barrier to entry for buyers who want an Intel based NAS primarily for general purpose storage, media streaming, or light application hosting. While it does not compete directly with higher end 4 bay systems that include multi LAN configurations or NVMe expansion, it delivers a core x86 experience at a price level that is more approachable, especially for users who do not plan to saturate network bandwidth or push heavy virtualization workloads.

Flexible Storage Management With TRAID and TRAID Plus in the F4-425

A notable strength of the F4-425 is its support for TerraMaster’s TRAID and TRAID Plus storage systems, which are particularly relevant in a 4 bay enclosure. Traditional RAID configurations often require matched drive sizes to avoid wasted capacity, and expanding an array later can involve rebuilding or replacing multiple disks at once. TRAID reduces this rigidity by allowing mixed capacity drives to be used more efficiently over time, automatically organizing available space while maintaining redundancy.

In a 4 bay system, this becomes more practical, as users are more likely to add drives gradually or replace older disks with higher capacity models as prices fall. The result is a storage setup that is easier to grow incrementally without complex planning. For users managing a family media library, backups from multiple devices, or shared data across several users, this flexibility can simplify long term storage expansion while reducing the need for disruptive migrations.

Balanced Performance for Media and Multi-User Access of the F4-425 system

The F4-425 offers a level of performance that is generally well suited to shared home or small office environments, particularly where multiple users are accessing data simultaneously. The Intel Celeron N5095 provides enough processing headroom to handle file transfers, background services, and media applications without the system feeling unresponsive under light to moderate load. In a 4 bay configuration, this performance profile pairs well with mixed workloads, such as ongoing backups, media indexing, and concurrent playback through applications like Plex, Emby, or Jellyfin using hardware assisted 4K decoding. While it is not intended for heavy virtualization or sustained high throughput tasks, the F4-425 can comfortably support several users accessing files or streaming content at the same time. This makes it suitable for households or teams where shared access and consistency are more important than peak benchmark performance.

Practical Software Feature Set With TOS 6 of the F4-425

The F4-425 benefits from TerraMaster’s TOS 6 operating system, which provides a broad and functional software environment without requiring additional licenses or complex setup. The platform includes native tools for file sharing, snapshots, cloud synchronization, and multi device backups, allowing the NAS to act as a central data hub for several users. In a 4 bay system, these features become more relevant as storage is often shared across multiple PCs, mobile devices, and services.

TOS 6 also supports container based applications and virtualization features that, while limited by the underlying hardware, can still be useful for light workloads such as small services or test environments. The software is not as polished as some higher profile NAS platforms, but it offers a level of depth that covers most common use cases and reduces the need to rely on third party tools for everyday management.

Flexible Platform for Turnkey or DIY NAS Use with the F4-425

An often overlooked advantage of the F4-425 is how accommodating it is for users who may want to move beyond the included operating system in the future. While it is sold and marketed as a complete turnkey NAS with TOS 6, the underlying x86 architecture allows relatively straightforward installation of alternative NAS operating systems such as TrueNAS, Unraid, or other Linux based platforms. TerraMaster does not restrict this process at the firmware level, and using third party software does not invalidate the hardware warranty. In a 4 bay system, this flexibility can extend the useful lifespan of the device, particularly for users whose storage needs or technical confidence evolve over time. The presence of HDMI output and KVM support simplifies local setup when experimenting with other operating systems, even if that HDMI port is not fully utilized by TOS itself. This dual role as both a turnkey appliance and a potential DIY platform adds practical long term value for more technically inclined users.

Single 2.5GbE Network Port Limits Throughput of the F4-425

A clear limitation of the F4-425 is its networking configuration, which consists of a single 2.5GbE port with no additional LAN interfaces or internal upgrade options. In a 4 bay NAS, this can quickly become a bottleneck once multiple drives are active, particularly in RAID configurations that are capable of delivering higher aggregate read and write performance than the network interface can carry. Even with mechanical hard drives, it is possible to saturate a 2.5GbE connection under sequential workloads, and this leaves little headroom for multiple users or concurrent tasks.

The lack of link aggregation, 5GbE, or 10GbE options also limits the system’s suitability for users with faster network infrastructure or plans to upgrade in the future. While USB based network adapters can be added, this introduces extra cost and complexity, and it does not fully compensate for the absence of native multi port or higher speed networking in a 4 bay chassis.

Lack of NVMe Expansion Limits Internal Performance in the F4-425

The absence of any M.2 NVMe slots on the F4-425 places a clear ceiling on its internal performance and storage flexibility. In a 4 bay Intel based NAS released into the 2025 to 2026 market, NVMe support is commonly expected, either for SSD caching or for high speed storage pools that can absorb bursts of activity and improve responsiveness under mixed workloads. Without NVMe, all storage activity is constrained to SATA drives, which limits the benefits of the x86 platform when running applications, containers, or multiple background services. This is particularly relevant in scenarios where the system is handling indexing, backups, and media access at the same time. While TerraMaster offers other models in its lineup with extensive NVMe support, the omission here means the F4-425 cannot be easily optimized for latency sensitive tasks, regardless of how much memory is added or how the drives are configured.

Aging CPU Platform for a New Generation NAS of the F4-425

The F4-425 relies on the Intel Celeron N5095, a processor that has been widely used across multiple NAS generations and is now showing its age in the context of newer Intel platforms. While it remains capable of handling file services, media transcoding, and light application workloads, it lacks the efficiency and performance improvements found in more recent Intel N series processors. In a 4 bay system, this matters because the hardware is more likely to be tasked with simultaneous operations such as multi user access, background maintenance, and application services. The N5095 can manage these workloads, but it does so with less headroom than newer alternatives, which can impact long term relevance. As software platforms continue to add features and increase baseline requirements, the CPU choice places a practical limit on how far the system can scale over time.

HDMI Output With No Practical Software Use on the F4-425

The inclusion of an HDMI port on the F4-425 may appear useful on paper, but in practice it offers limited functionality within TerraMaster’s software environment. The HDMI output is primarily used for basic system information and troubleshooting during boot, rather than providing a usable local interface or media output experience. There is no native desktop mode, multimedia interface, or direct playback environment available through TOS that would allow the NAS to function as a locally controlled media device. In a 4 bay system with an Intel CPU capable of hardware video decoding, this unused output can feel like missed potential, especially when other NAS vendors and newer platforms have begun to implement functional HDMI driven interfaces. While the port can be helpful when installing third party operating systems, its role within the default configuration remains minimal.

Overlap With Better Equipped Models in the Same Lineup of the F4-425

A practical concern with the F4-425 is how closely it sits to other TerraMaster models that offer substantially more capability for a relatively modest increase in cost. Within the same product family, there are options that add faster networking, NVMe expansion, additional LAN ports, or more modern Intel processors, sometimes at a price difference that may be difficult to justify ignoring. For buyers who already anticipate growing storage needs, higher throughput, or heavier application use, the F4-425 can feel constrained when compared directly against these alternatives. This internal competition weakens its long term value proposition, as users may find that spending slightly more upfront would avoid the limitations around bandwidth and expansion that cannot be addressed later through upgrades.

Conclusion and Verdict of the F4-425 Review – Should You Buy?

The TerraMaster F4-425 is best understood as a deliberately constrained Intel based NAS that prioritizes affordability and simplicity over expandability and peak performance. It delivers competent multi user storage, media streaming, and general NAS functionality in a 4 bay format, supported by a software platform that covers most common requirements without forcing reliance on third party tools. Its strengths lie in predictable behavior, flexible RAID options, and openness to alternative operating systems, rather than cutting edge hardware features. For users with clearly defined needs who value an x86 platform but do not expect to push high bandwidth workflows or advanced storage tiers, the F4-425 can meet expectations without unnecessary complexity. At the same time, its limitations are structural rather than temporary. The single 2.5GbE port, absence of NVMe expansion, and older CPU architecture set firm boundaries on future growth. These constraints become more apparent when viewed alongside other models in TerraMaster’s own lineup that address these gaps at a higher but not disproportionate cost. As a result, the F4-425 makes the most sense for buyers who want a straightforward Intel NAS for shared storage and media use today, and who are comfortable accepting that it is not designed to scale significantly beyond that role.

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How Good is the Terramaster TOS 6 NAS Software?

TerraMaster’s TOS 6 represents the company’s most comprehensive evolution of its NAS operating system, delivering an interface and architecture that is redesigned both visually and structurally. Replacing the earlier TOS 5, it builds on user feedback from the last three hardware generations and now arrives preinstalled on systems such as the F4-425 Plus, F2-425, and F6-424, as well as the all-flash F8 SSD Plus. The system adopts the Linux Kernel 6.1 LTS, which improves memory handling, file system performance, and hardware compatibility across newer Intel and AMD processors. With over forty new functions and more than three hundred individual refinements, TOS 6 is positioned as a more capable and robust platform for modern data storage and multi-user environments. TerraMaster’s objective with this version is to combine an accessible setup process with enterprise-style administration tools, allowing users to deploy features such as ACL permissions, SMB multichannel, Hyper-Lock WORM protection, and advanced RAID management within a simplified interface. Although still developing its ecosystem when compared with long-established NAS vendors, TOS 6 signals a step toward bridging the gap between budget and professional-grade systems.

Terramaster TOS 6 – Design, GUI and UX

TOS 6 introduces a significantly redesigned interface that emphasizes simplicity and consistency while retaining the technical depth expected from a NAS management platform. The desktop layout has been decluttered, removing excess icons in favor of a single navigation bar that centralizes access to applications, settings, and the new “Start” shortcut menu. This layout, combined with subtle animation effects and theme customization options such as Night Mode and accent color selection, is intended to make the environment less visually overwhelming than previous releases. While the interface feels smoother and more responsive, some users may still find it utilitarian compared to the polished design language of DSM or QTS. Nevertheless, the decision to reduce visual clutter and allow personalized dashboards marks a meaningful progression toward a more user-centric control experience.

The control panel, which is the backbone of the system’s configuration layer, has undergone extensive structural improvement. It now allows users to jump between related settings without closing the current menu, effectively halving the time required to perform complex administrative tasks. The inclusion of a keyword search bar further simplifies access to hundreds of configuration options ranging from network tuning to caching policies. Real-time monitoring panels, including the resource manager and storage manager, remain integrated into the main interface, but TOS 6 refines them with more accurate live updates and adjustable widgets.

This customization extends to the new system dashboard, where users can drag and rearrange data modules to match their monitoring preferences. Despite these improvements, the GUI still presents a text-heavy design, particularly in areas dealing with drive management, which could be challenging for newcomers.

The user experience, while substantially enhanced, continues to cater more toward technically proficient users than beginners. Nearly every system element is accessible from the web interface, with contextual right-click menus providing file and folder actions similar to desktop OS environments. This native browser-based functionality eliminates the need for third-party explorers for most operations and allows complete administrative control without client software. However, the interface’s dense arrangement of settings can still appear intimidating for users expecting guided wizards or visualized workflows.

TerraMaster’s focus on efficiency and configurability, rather than aesthetic guidance, reflects a deliberate design choice favoring control and transparency. For experienced users, this approach offers depth and predictability, but it remains less forgiving to casual or first-time NAS owners.

Terramaster TOS 6 – Storage Services and File Services

Storage management within TOS 6 has evolved into a far more granular and flexible system. The platform supports both traditional RAID configurations and TerraMaster’s adaptive TRAID and TRAID+ systems, which allow mixed-capacity drives to be combined while retaining redundancy across one or two disks. This feature makes expansion and migration easier, particularly for users gradually upgrading storage capacity. RAID rebuilding efficiency has also improved through “fast repair,” a mechanism that prioritizes only data-occupied sectors rather than empty disk space, substantially reducing recovery times after drive replacement. The system now separates the operating system from storage volumes entirely, allowing users to install the OS on one or two designated drives, typically SSDs, to improve response speed and cache access performance. This separation not only increases system responsiveness but also helps to protect data pools from corruption caused by OS-level failures.

The volume creation process is more flexible than in previous iterations, supporting both Btrfs and EXT4 file systems alongside iSCSI targets for raw block-level storage. Btrfs, in particular, benefits from the Linux 6.1 kernel’s improved memory handling and snapshot reliability. The inclusion of Hyper-Lock WORM (Write Once, Read Many) in both Compliance and Enterprise modes offers organizations the ability to lock data for specific periods or indefinitely, preventing modification or deletion to meet audit or regulatory requirements.

Volume-level encryption can be enabled during creation, giving administrators the option to protect sensitive data without affecting system-level performance. The management interface also displays real-time disk health data and S.M.A.R.T. metrics, alerting users to failing drives through the Message Center and email notifications, minimizing downtime and data loss risks.

TOS 6’s file service layer emphasizes both accessibility and speed. SMB multichannel support, combined with link aggregation, allows the operating system to utilize multiple Ethernet ports simultaneously to multiply throughput on supported models, improving large file transfer rates in multi-user environments. Shared folder management includes advanced ACL permissions, extending beyond traditional read/write rules to thirteen distinct access types, providing fine-grained control for business use.

Native support for protocols such as SMB, AFP, NFS, FTP, and WebDAV ensures compatibility with Windows, macOS, and Linux systems, while local mounting enables users to attach external drives or even cloud-mapped directories that synchronize automatically. File management within the web interface now features a tab-based navigation system, a first among NAS platforms, enabling quick copy and move operations without opening multiple windows, reinforcing TerraMaster’s focus on operational efficiency.

Terramaster TOS 6 – Backups and Synchronisation

Backup management in TOS 6 consolidates all related tools into a single unified interface accessible from the desktop or the control panel. This centralized hub simplifies navigation between local, remote, and cloud-based backup options while maintaining compatibility with third-party systems. The platform supports Rsync for cross-NAS synchronization, Time Machine for macOS clients, and TerraMaster’s own Centralized Backup utility for deploying and scheduling protection across multiple TNAS and remote servers. Administrators can configure recurring snapshot tasks on individual volumes or shared folders, define retention policies, and even lock snapshots to prevent deletion within a specified period. While these snapshots are not substitutes for full backups, they provide a lightweight recovery mechanism that minimizes data loss in cases of user error or ransomware infection.

Local backup utilities have been expanded to support directory-level duplication, USB external drives, and iSCSI targets. This enables administrators to replicate data within the same device, between drives, or toward another NAS through the internal network. Although backing up within a single system cannot substitute true redundancy, it offers additional flexibility for temporary mirroring or fast internal restores. For users operating hybrid environments, TOS 6 integrates with major cloud providers using its CloudSync feature, which allows continuous bidirectional synchronization between TNAS and services such as Google Drive, Dropbox, OneDrive, and WebDAV storage. Mounted cloud directories appear as native local folders, simplifying file interaction and ensuring that any modifications are reflected remotely. The mounting mechanism also allows automatic synchronization of remote data without external applications, further streamlining multi-location workflows.

In terms of automation and security, backup tasks in TOS 6 can be scheduled to run incrementally or in real time, minimizing bandwidth usage and system load. Each task includes verification and logging, with the ability to send alerts on failure through the Message Center or by email. The inclusion of Hyper-Lock WORM at the backup level ensures archived backups cannot be altered for a defined compliance period, an important feature for business environments managing regulated data. Despite the lack of the same polish found in Synology’s Active Backup or QNAP’s Hybrid Backup Sync, TerraMaster’s solution achieves a comparable range of features for small-scale and mid-tier operations. The combination of flexible snapshot scheduling, cloud integration, and data-integrity verification makes TOS 6 a notable step forward from earlier releases and closes much of the functionality gap that existed between TerraMaster and its larger competitors.

Terramaster TOS 6 – Applications, Client Tools and Services

The application ecosystem in TOS 6 has expanded both in variety and integration depth, blending TerraMaster’s own utilities with third-party and open-source solutions. The App Center serves as the central hub for installing, updating, and managing applications, ranging from productivity tools and cloud clients to virtualization and multimedia services. Many of these applications are developed in-house, such as the Centralized Backup, File Manager, and Photo Gallery utilities, while others leverage established third-party frameworks like VirtualBox for virtualization and Portainer for container management. Users can deploy Docker containers directly from the interface or access the full registry for advanced workloads, making it possible to host additional media servers, AI indexing tools, or web applications. Although the ecosystem remains smaller than Synology’s Package Center or QNAP’s App Center, the available selection covers nearly all core NAS functions that general users and small business environments would require.

Client connectivity is also a strong component of the system’s service design. The TerraMaster desktop client for Windows and macOS allows users to discover NAS systems on the network, manage synchronized folders, and create automated transfer tasks. This complements the browser-based interface by offering a faster method for initiating replication jobs or file transfers between devices. Mobile applications are available for remote access, providing basic file management and media browsing functionality, though they remain limited compared to the desktop experience. One notable improvement in TOS 6 is the ability to download client tools directly from within the App Center rather than navigating to external links, streamlining deployment and maintaining version consistency across environments.#

In the area of multimedia and AI-driven services, TerraMaster has continued to refine its photo and video indexing utilities. The AI Photo Recognition tool, embedded within the Photo Gallery application, performs facial and object detection to organize content by identity or category. It uses metadata and machine learning libraries to recognize patterns across uploaded images, enabling faster search and auto-tagging capabilities. Video and photo thumbnails can be displayed directly within File Manager, which now supports large or small thumbnail scaling depending on user preference. For users requiring broader streaming capabilities, the system includes native support for Plex and Jellyfin through the App Center, allowing local or remote playback using widely adopted external platforms rather than proprietary ones. HDMI output remains inactive on TerraMaster NAS units, so these integrations rely solely on network streaming protocols.

System maintenance and troubleshooting services have also received attention in TOS 6. The platform’s security advisor can perform automated vulnerability checks, flagging weak passwords, exposed ports, or outdated configurations. Isolation Mode remains one of its more practical safety features, instantly disconnecting all non-administrative users and disabling PHP-based third-party apps to prevent intrusion. When users encounter system errors, they can utilize the integrated issue reporting tool, which generates diagnostic logs and can enable temporary remote support for TerraMaster engineers through an authentication key.

Although this feature should be used sparingly, it represents a more direct support pathway than previous versions. Taken together, these improvements show a gradual shift in TOS 6 toward professionalization, improving reliability and ease of management while still allowing extensive customization for experienced administrators.

Conclusion and Verdict

TOS 6 demonstrates that TerraMaster’s NAS platform has matured into a far more capable and structured ecosystem. The software now integrates a wide range of features that were once missing or underdeveloped, from advanced storage management and ACL permissions to cloud synchronization and AI-driven media tools. The interface redesign brings a measurable improvement in usability, and the decision to rebuild the system on the Linux Kernel 6.1 LTS ensures better hardware compatibility and long-term stability. However, it remains evident that the user experience still leans toward a more technical audience, with complex menus and limited guidance compared to the automated workflows found on Synology DSM or QNAP QTS. The system performs reliably, but its presentation and documentation could still benefit from refinement to fully appeal to non-specialist users.

Overall, TOS 6 is TerraMaster’s most complete and confident release to date, delivering a noticeable leap in speed, data protection, and operational consistency across the company’s NAS lineup. It now offers enough depth for small businesses, IT enthusiasts, and hybrid work setups while remaining open to third-party operating systems for those seeking additional flexibility. The platform still trails behind the larger ecosystems in app diversity and cloud integration polish, yet the progress made in this generation positions TerraMaster as one of the more serious alternatives in the mid-range NAS market. For users who value functionality and system control over visual refinement, TOS 6 provides a stable and expandable foundation that indicates TerraMaster is steadily closing the gap with its more established competitors.

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The Best PLEX, Emby and/or Jellyfin NAS Devices Released in 2025

Network media servers in 2025 range from tiny single drive boxes to fairly serious multi bay systems that can sit at the center of a home network. This article looks specifically at NAS hardware released in 2025 that can sensibly replace or supplement streaming services by running Plex, Jellyfin or Emby. The focus is on devices that arrive as complete appliances, with both hardware and a NAS style operating system included, so you can put a box on the network, install a media server app and start watching without building a PC or learning a full server stack.

To be included here, a NAS has to have gone on general sale in 2025, ship with its own OS rather than as a bareboard, and be able to run Plex Media Server, with Jellyfin and Emby support noted where it exists. In practical terms, that means hardware that can handle 4K and 1080p playback for multiple users and is realistically capable of at least 2 simultaneous 4K transcodes and 5 simultaneous 1080p transcodes, with a single exception where the overall package still makes sense for more limited workloads. RAID options, expansion, power use and noise are all taken into account, but the main filter is whether the device can function reliably as a modern media server on a typical home or small office network.

#1 Synology BeeStation Plus 8TB – $399 to $419

SPECS: Intel Celeron J4125 quad core 2.0 to 2.7 GHz – 4 GB DDR4 – 1 x 3.5″ 8 TB SATA bay (pre installed) – 1 x 1 GbE RJ45 / 1 x USB A 3.2 Gen 1 / 1 x USB C 3.2 Gen 1 – no M.2 SSD support.

BeeStation Plus is aimed at users who want a simple, appliance like Plex box rather than a configurable NAS. It runs Synology’s cut down BeeStation OS, has Plex Media Server support built in, and is set up entirely through a guided app and browser flow, so there is minimal configuration overhead. The hardware is sufficient for basic 4K and 1080p Plex use for a small number of clients, but the single non replaceable drive bay and lack of expansion, RAID options or M.2 slots mean it is best treated as a starter Plex unit for light libraries rather than a long term, scalable media server, and there is no official Jellyfin or Emby integration at this time.

What we said in our March ’25 Review HERE:

The Synology BeeStation marks a significant shift in Synology’s product line, targeting a new segment of users with its simplified yet functional design. This device stands out as an excellent middle ground between ease of use and a comprehensive private cloud system, providing secure and seamless access to stored data. While it is incredibly user-friendly and easy to set up, the lack of LAN access by default and its single-bay, 4TB-only configuration at launch might limit its appeal to more tech-savvy users or those seeking greater flexibility and expandability. The BeeStation’s unique selling point is its simplicity, making it a compelling choice for those new to NAS systems or for users who prioritize ease of use over extensive customization options. However, its simplicity also means that it lacks the extensive app support found in Synology’s DSM platform, potentially disappointing users accustomed to the richer application ecosystem offered by Synology’s more advanced models.

For users concerned about security, the BeeStation still upholds Synology’s reputation for secure data handling, with encrypted data transmission as a standard feature. However, experienced users who prefer a more hands-on approach to their NAS setup might find the BeeStation’s lack of advanced configuration options and its reliance on internet access for setup somewhat restrictive. In terms of market positioning, the BeeStation fills a gap left by other brands like WD and Seagate in offering ‘Easy NAS’ systems. Its competitive pricing, particularly considering the included 4TB of storage, makes it an attractive option for users seeking a private cloud solution without the recurring costs associated with third-party cloud services. Despite these potential drawbacks, the BeeStation is a solid entry-level NAS solution, especially for those seeking a personal cloud with minimal setup and maintenance. It may not be as feature-rich as Synology’s DSM-based NAS devices, but for its intended audience, the BeeStation provides a well-balanced combination of functionality, ease of use, and affordability. Synology’s move to cater to a broader, less technically inclined audience with the BeeStation demonstrates their understanding of market trends and user needs, offering a solution that balances simplicity with the reliability and quality Synology is known for.

In the end, the Synology BeeStation is an ideal choice for users seeking a straightforward, reliable, and cost-effective personal cloud solution. It represents Synology’s commitment to diversifying their product range, catering to the evolving needs of different user segments. While it may not suit everyone, especially those looking for advanced features and customization, it excels in its role as a user-friendly, secure, and affordable entry-level NAS device.

SOFTWARE - 7/10

HARDWARE - 8/10

PERFORMANCE - 7/10

PRICE - 10/10

VALUE - 10/10

8.4

PROS

User-friendly setup, ideal for beginners or those seeking a simple cloud solution.
Secure data handling with encrypted data transmission.
Comes with 4TB of storage included, offering good value.
Compact and lightweight design, enhancing portability.
Quiet operation, suitable for home or office environments.
Integrates seamlessly with popular cloud services like Google Drive and OneDrive.
Affordable pricing at $199, a cost-effective alternative to third-party cloud services.
Supports remote access, allowing data management from anywhere and across client devices/OS
Synologys reputation for quality and reliability is still clear on this smaller scale.
Several client tools (BeeFiles, BeePhotos and Desktop sync tool) for Windows, Mac, iOS and Android available for tailored access
System configuration backup option to USB/C2 (Often absent in budget cloud solutions)
AI Photo Recognition in BeePhotos for faces, Objects and geo data scraping + Advanced filter/search

CONS

Lacks the extensive app support and customization found in Synology\'s DSM platform.
Only available in a single-bay, 4TB configuration at launch, limiting expandability.
Single 5400RPM HDD running everything leads to slowdown more than you think!
LAN access is disabled by default, which may not suit all users.
Designed for a specific user base, may not meet the needs of more advanced users.

#2 Minisforum N5 NAS – $599 to $749

SPECS: AMD Ryzen 7 255 8 core 16 thread up to 4.9 GHz – up to 96 GB DDR5 via 2 SODIMM slots – 5 x 3.5″/2.5″ SATA bays – 1 x 10 GbE RJ45 / 1 x 5 GbE RJ45 / 2 x USB4 – 3 x M.2 2280 NVMe or U.2 SSD slots (PCIe 4.0).

The Minisforum N5 is a compact 5-bay NAS that targets users who want preconfigured hardware with some workstation derived design features. It uses an x86 CPU in the same general class as the Aoostar WTR Max, paired with an internal storage module of 64 GB for the system volume, and is typically sold in the 599 to 699 USD range, with the separate Pro variant occupying a higher bracket. The chassis integrates a removable drive base section for easier maintenance, and the platform includes multi-gig networking up to 10 GbE and 5 GbE, a PCIe expansion slot and USB4 connectivity for additional bandwidth or external devices. Minisforum ships the N5 with its own NAS operating system to provide an immediate out of box experience, but the software is still relatively young and many buyers elect to overwrite the included module with a more established NAS or server OS. Throughout 2025, availability has been intermittent, reflecting a level of demand from home lab users who want higher specification NAS hardware without building entirely from individual components.

What we said in our July ’25 Review HERE:

The Minisforum N5 Pro is an impressive and highly versatile NAS platform that successfully combines the core strengths of a storage appliance with the capabilities of a compact, workstation-class server, making it suitable for demanding and varied use cases. Its defining features include a 12-core Ryzen AI 9 HX PRO 370 CPU with 24 threads and onboard AI acceleration up to 50 TOPS, support for up to 96GB of ECC-capable DDR5 memory for data integrity, and a hybrid storage architecture offering up to 144TB total capacity through a mix of five SATA bays and three NVMe/U.2 slots. Additional highlights such as ZFS file system support with snapshots, inline compression, and self-healing, along with high-speed networking via dual 10GbE and 5GbE ports, and expansion through PCIe Gen 4 ×16 and OCuLink interfaces, position it well beyond the capabilities of typical consumer NAS systems. The compact, fully metal chassis is easy to service and efficiently cooled, enabling continuous operation even under sustained virtual machine, AI, or media workloads.

At the same time, the bundled MinisCloud OS, while feature-rich with AI photo indexing, Docker support, and mobile integration, remains a work in progress, lacking some enterprise-grade polish, robust localization, and more advanced tools expected in mature NAS ecosystems. Minor drawbacks such as the external PSU, the thermally challenged pre-installed OS SSD, and the higher cost of the Pro variant relative to the standard N5 are important to weigh, particularly for users who may not fully utilize the Pro’s ECC and AI-specific advantages. For advanced users, homelab builders, and technical teams who require high compute density, flexible storage, and full control over their software stack, the N5 Pro delivers workstation-level performance and configurability in NAS form—offering one of the most forward-thinking and adaptable solutions available today in this segment.

The is now available to buy: Minisforum N5 Pro (Check Amazon) – HERE Minisforum N5 Pro (Check AliExpress) – HERE Shop for NAS Hard Drives on Amazon – HERE Shop for SSDs for your N5 Pro on Amazon – HERE

BUILD QUALITY - 10/10

HARDWARE - 9/10

PERFORMANCE - 9/10

PRICE - 7/10

VALUE - 8/10

8.6

PROS

High-performance AMD Ryzen AI 9 HX PRO 370 CPU with 12 cores, 24 threads, and AI acceleration (50 TOPS NPU) is INCREDIBLE for a compact desktop purchase
Support for up to 96GB DDR5 memory with ECC, ensuring data integrity and stability in critical environments
ZFS-ready storage with numerous ZFS and TRADITIONAL RAID configurations, snapshots, and inline compression
Hybrid storage support: five 3.5\\\"/2.5\\\" SATA bays plus three NVMe/U.2 SSD slots, with up to 144TB total capacity
Versatile expansion options including PCIe Gen 4 ×16 slot (×4 electrical) and OCuLink port for GPUs or NVMe cages
Dual high-speed networking: 10GbE and 5GbE RJ45 ports with link aggregation support + (using the inclusive MinisCloud OS) the use of the USB4 ports for direct PC/Mac connection!
Fully metal, compact, and serviceable chassis with thoughtful cooling and accessible internal layout - makes maintenance, upgrades and troubleshooting a complete breeze!
Compatibility with third-party OSes (TrueNAS, Unraid, Linux) without voiding warranty, offering flexibility for advanced users

CONS

MinisCloud OS is functional but immature, with unfinished localisation and limited advanced enterprise features - lacks MFA, iSCSI, Security Scanner and More. Nails several key fundamentals, but still feels unfinished at this time.
Despite External PSU design (will already annoy some users), it generates a lot of additional heat and may not appeal to all users overall
Preinstalled 64GB OS SSD runs hot under sustained use and lacks dedicated cooling. Plus, losing one of the 3 m.2 slots to it will not please everyone (most brands manage to find a way to apply an eMMC into the board more directly, or use a USB bootloader option as a gateway for their OS
Premium $1000+ pricing may be hard to justify for users who don’t need ECC memory or AI capabilities compared to the standard N5 at $500+

#3 TerraMaster F4 SSD NAS – $320 to $399

SPECS: Intel N95 quad core up to 3.4 GHz – 8 GB DDR5 (expandable to 32 GB) – 4 x M.2 2280 NVMe SSD bays – 1 x 5 GbE RJ45 / 2 x USB A 3.2 Gen 2 / 1 x USB C 3.2 Gen 2 / HDMI 2.0b – 4 x M.2 NVMe PCIe 3.0 slots (2 x2 / 2 x1).

The F4 SSD is an all flash NAS designed for users who want a compact, relatively low power Plex or Jellyfin server without mechanical drives. Its Intel N95 CPU and integrated graphics are sufficient for multiple 1080p and a modest number of 4K transcodes, and the 5 GbE interface allows the box to make use of higher network throughput than 1 GbE units. TerraMaster’s TOS 6 system offers a one click Plex package and container support for Jellyfin and Emby, but the interface and ecosystem are less refined than those from the largest NAS brands, and performance is ultimately limited by the entry level CPU and PCIe layout when many concurrent streams or heavier background tasks are involved.

What we said in our Aug ’25 Review HERE:

The TerraMaster F4 SSD presents itself as a well-considered entry into the compact, all-flash NAS segment, balancing low noise, energy efficiency, and competitive performance at a sub-$400 price point. With its fanless NVMe-based design, Intel N95 quad-core processor, and DDR5 memory, it meets the essential needs of home and small office users looking for a reliable and responsive storage solution. The inclusion of TerraMaster’s increasingly capable TOS 6 operating system, featuring AI-driven photo management, centralized backup, and Docker/VM support, makes it more than just a network storage device—it becomes a lightweight but versatile data center for the home. Its TRAID support allows for mixed SSD deployments with easy expansion, which is particularly attractive to users upgrading gradually or working within budget constraints. The thoughtful internal layout and cooling also ensure performance remains consistent even under sustained load, without sacrificing the near-silent operation.

However, the F4 SSD is not without caveats. The use of a single 5GbE port, without redundancy or aggregation, may deter users requiring network failover or higher throughput for simultaneous operations. Additionally, although the PCIe lane allocation strategy maximizes the N95’s limited bandwidth, the asymmetry between Gen3 x2 and x1 slots could bottleneck RAID performance depending on how volumes are configured. When compared to the larger F8 SSD or DIY options with dual 10GbE or ECC support, the F4 SSD may feel limiting to power users or business environments with stricter reliability requirements. That said, for the vast majority of home users, content creators, and prosumers looking for an all-in-one, high-speed NAS that blends well into living spaces, the F4 SSD delivers a solid and accessible solution. Its price-to-performance ratio, combined with the simplicity of deployment and maturing software ecosystem, makes it a compelling option in the growing market of SSD NAS devices.

SOFTWARE - 7/10

HARDWARE - 8/10

PERFORMANCE - 7/10

PRICE - 9/10

VALUE - 9/10

8.0

PROS

Compact, toolless chassis with easy-access thumb screw and SSD installation
All-flash NVMe architecture with support for four M.2 2280 SSDs
5GbE network port enables high-speed local and remote transfers
TRAID and TRAID+ allow mixed-capacity SSDs and seamless storage expansion
TOS 6 OS includes Plex, Jellyfin, Docker, VM support, and AI photo indexing
Quiet operation (19 dB) and low power usage (32W under load)
Priced competitively at $399 for a turnkey SSD NAS

CONS

Single 5GbE port with no failover or link aggregation
Two of the four SSD slots are limited to PCIe Gen3 x1, creating potential RAID bottlenecks
Non-ECC DDR5 memory may not meet strict data integrity requirements

#4 ZimaBoard 2 Single Board Server – $239 to $349

SPECS: Intel N150 quad core up to 3.6 GHz – 8 or 16 GB LPDDR5x – 2 x SATA 3.0 6 Gb/s ports for 3.5″/2.5″ drives (external bays or enclosures required) – 2 x 2.5 GbE RJ45 / 2 x USB 3.1 Type A / 1 x Mini DisplayPort 1.4 – M.2 SSD support via PCIe 3.0 x4 add in card only.

ZimaBoard 2 functions as a small, fanless compute module that can be combined with any suitable SATA enclosure or loose drives to create a highly customised Plex or Jellyfin server. It ships with ZimaOS, which exposes a NAS style interface, app catalogue and container options, so the system is usable out of the box without manually installing a general purpose Linux distribution. Dual 2.5 GbE ports and Intel Quick Sync support give it enough capability for several 1080p and selected 4K transcodes, but the absence of internal bays or native M.2 slots means storage design is entirely external, and the device is better suited to users who do not mind assembling their own chassis or reusing existing cases and drive cages.

What we said in our April ’25 Review HERE:

The ZimaBoard 2 is a competent and thoughtfully assembled single-board server that builds meaningfully on IceWhale’s earlier efforts, especially the original ZimaBoard and the ZimaBlade. Its design clearly targets users who want more flexibility and performance than traditional ARM-based boards can offer, but who also value power efficiency, silence, and a small footprint. The use of an Intel N150 CPU, 8GB of LPDDR5x memory, dual 2.5GbE ports, and a PCIe 3.0 x4 slot makes it viable for a variety of home server roles—from basic NAS and smart home coordination to lightweight container hosting and local media streaming. Features like onboard SATA, USB 3.1, and a DisplayPort connection further add to its utility. However, there are hardware limitations that may affect long-term suitability for advanced deployments. The soldered RAM cannot be upgraded, and the internal eMMC storage, while useful for initial setup, is too slow for OS-level responsiveness in more demanding use cases. Passive cooling, while appreciated for silence, also imposes some thermal limitations depending on the deployment environment.

On the software side, ZimaOS offers a decent out-of-the-box experience that caters to users with minimal technical background. It handles core tasks like application deployment, file sharing, and system monitoring without requiring advanced configuration, and its Docker-based App Store simplifies access to popular tools. For more experienced users, the system supports third-party OS installation, which is likely how many will ultimately use the ZimaBoard 2. Still, as a bundled solution, ZimaOS has matured significantly and now presents itself as a lightweight, capable, and non-intrusive platform for those who prefer to get started immediately. In the broader context of DIY server hardware, ZimaBoard 2 occupies a middle ground: more powerful and modular than Raspberry Pi-class systems, yet more constrained than full x86 mini PCs or enthusiast-grade NAS hardware. For those who understand and accept these trade-offs, and are willing to plan around its limitations, the ZimaBoard 2 offers a reliable and flexible foundation for compact, energy-efficient computing at the edge.

BUILD QUALITY - 10/10

HARDWARE - 8/10

PERFORMANCE - 8/10

PRICE - 9/10

VALUE - 10/10

9.0

PROS

x86 Architecture – Compatible with a wide range of operating systems including ZimaOS, Unraid, TrueNAS SCALE, and Proxmox.
Dual 2.5GbE LAN Ports – Offers strong networking capabilities for multi-service workloads and gateway setups.
PCIe 3.0 x4 Slot – Enables high-speed expansion for 10GbE NICs, NVMe storage, or combo cards.
Fanless, Silent Operation – Completely passively cooled, ideal for home or quiet office environments.
Compact and Durable Build – Small footprint with an all-metal chassis that doubles as a heatsink.
ZimaOS Included – User-friendly OS with a Docker-based App Store and basic VM tools, ready out of the box.
Flexible Storage Options – Dual SATA ports plus USB 3.1 support for connecting SSDs, HDDs, or external drives.
Low Power Consumption – Efficient 6W CPU with ~10W idle and ~40W max under heavy load scenarios.

CONS

Non-Upgradable RAM – 8GB of soldered LPDDR5x limits long-term scalability for memory-intensive tasks.
Slow/Small Default Internal Storage – 32GB eMMC is convenient but underperforms for OS-level responsiveness or high I/O workloads.
Thermal Headroom is Limited – Passive cooling alone may not be sufficient in closed environments or under sustained load without added airflow.
Not Launching on Traditional Retail, but instead on Crowdfunding.

#5 UGREEN NASync DH4300 Plus – $365 to $390

SPECS: Rockchip RK3588 8 core ARM (4 x Cortex A76 + 4 x Cortex A55) up to around 2.4 GHz – 8 GB DDR5 – 4 x 3.5″/2.5″ SATA bays – 1 x 2.5 GbE RJ45 / HDMI 2.0b / 1 x front USB C 3.2 Gen 1 / 2 x USB A 3.2 Gen 1 – no internal M.2 SSD slots.

The NASync DH4300 Plus is a 4 bay ARM based NAS that targets users who want RAID 5 capable storage for Plex or Jellyfin along with general backup duties at a moderate price. UGREEN’s UGOS Pro operating system includes its own media apps, an app store and containerisation features, and community testing has confirmed that Plex can achieve multiple 1080p and several 4K streams, benefiting from the RK3588’s hardware video engines. There is only a single 2.5 GbE port and no M.2 cache or expansion options, so scaling is limited to the 4 SATA bays and external USB storage, but for users who prioritise RAID 5 resilience, low to mid range transcoding capacity and comparatively low power use, it fits the role of a budget multi user media and file server.

What we said in our August ’25 Review Here:

The UGREEN DH4300 Plus carves out a unique niche in the budget NAS landscape by delivering hardware typically reserved for higher-tier systems at a much lower price point. Its RK3588 processor, 8GB of RAM, and support for 2.5GbE networking place it well ahead of most similarly priced competitors in terms of raw specifications. Additionally, features such as HDMI output, 10Gbps USB ports, and local AI-powered photo indexing are rare to find in entry-level NAS systems. Despite its plastic-heavy internal design and lack of expansion options like PCIe or M.2, the device delivers stable performance for file sharing, media access, and low-intensity AI workloads. It is not suited for power users demanding virtual machines or advanced snapshot automation, but within its class, the DH4300 Plus presents an appealing balance between cost and capability.

That said, the software experience is still a work in progress. UGOS Pro covers the essentials and offers a visually accessible UI, but lacks the advanced features and ecosystem integration found in more mature platforms like Synology DSM or QNAP QTS. Docker and snapshot support add welcome flexibility, but the absence of native Jellyfin, iSCSI, and VM functionality limits its use in more complex environments. Still, for home users, media collectors, or small office setups looking for reliable backup, modest AI-enhanced photo sorting, and smooth 4K playback, the DH4300 Plus delivers value well beyond its price tag. While it won’t replace high-end NAS appliances, it serves as a capable, efficient, and quietly innovative option in a saturated entry-level NAS market.

SOFTWARE - 6/10

HARDWARE - 7/10

PERFORMANCE - 6/10

PRICE - 9/10

VALUE - 10/10

7.6

PROS

Powerful ARM CPU: Equipped with the RK3588 SoC, offering 8 cores, integrated GPU, and NPU for AI workloads.
Generous (but fixed!) Memory: 8GB LPDDR4X RAM, rare in budget NAS systems, supports multitasking and Docker use.
2.5GbE Network Port: Provides faster-than-Gigabit throughput for backups, media streaming, and multi-user access.
HDMI 2.1 Output: Rare on ARM powered turnkey NAS, and enables direct media playback or NAS control at up to 4K 60Hz, uncommon in value-tier NAS units.
USB 10Gbps Ports: Dual USB-A 10Gbps and one USB-C 5Gbps allow for high-speed backups or external storage expansion.
AI Photo Management: Built-in NPU supports facial recognition and scene detection for local, private media organization.
Low Power Consumption: Efficient under load (~30W) and idle (~5W without drives), suitable for 24/7 operation.

CONS

No PCIe or M.2 Expansion: Lacks future scalability for NVMe caching, 10GbE, or other upgrades.
Single LAN Port: Only one 2.5GbE port, with no failover or link aggregation support.
Limited Software Ecosystem: UGOS Pro lacks iSCSI, VM support, and native Jellyfin, trailing behind DSM/QTS in maturity.

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