QNAP’s TS h666TX, TS h866TX and TS h966TX arrive at a point where the company’s tower portfolio has had a fairly visible split between mainstream QTS systems such as the TS 464 and TS 664, and higher tier QuTS hero models such as the TVS h674. The older TS x64 family remains relevant, but those systems are built around the Intel Celeron N5095 with DDR4 memory and a lower ceiling for memory expansion, while the TVS h674 moves into a more performance led and more expensive part of the range with desktop class Intel Core processors and QuTS hero support. Against that backdrop, a new ZFS focused series with Intel Core i3 1215U, DDR5 memory, integrated 10GbE and USB4 has a clear role in the lineup, at least on paper.
That is also why these systems are likely to attract attention from buyers who want more than the current TS 464 or TS 664 can offer, but who may not need, or want to pay for, a TVS h674 class solution. The i3 1215U itself is a 6 core, 8 thread mobile processor with 2 Performance cores, 4 Efficient cores and boost speeds up to 4.40 GHz, which places it well above the older Celeron class hardware used in the TS x64 generation. Combined with QuTS hero’s ZFS platform and the broader move toward hybrid HDD and SSD storage layouts, these new TS h66xTX models appear designed to address demand for a more modern mid range NAS that balances file services, high speed networking and SSD aware storage without immediately stepping into QNAP’s more workstation style hero systems.
| Specification | TS-h666TX | TS-h866TX | TS-h966TX |
|---|---|---|---|
| CPU | Intel Core i3-1215U | Intel Core i3-1215U | Intel Core i3-1215U |
| Memory | 8GB DDR5, up to 64GB | 8GB DDR5, up to 64GB | 8GB DDR5, up to 64GB |
| SATA Bays | 4 x 3.5-inch | 6 x 3.5-inch | 5 x 3.5-inch |
| SSD Bays | 2 x E1.S / M.2 NVMe 2280 | 2 x E1.S / M.2 NVMe 2280 | 4 x U.2 / SATA 2.5-inch |
| Network | 2 x 10GbE | 2 x 10GbE | 1 x 10GbE, 1 x 2.5GbE |
| USB | 2 x USB 10Gb/s, 2 x USB4 | 2 x USB 10Gb/s, 2 x USB4 | 2 x USB 10Gb/s, 2 x USB4 |
| PCIe Expansion | 1 x PCIe Gen 3 x4 | 1 x PCIe Gen 3 x4 | None listed |
The clearest design distinction in this series is that QNAP is not treating all 3 models as simple capacity variants of the same enclosure. The TS h666TX and TS h866TX appear to share the same newer tower styling, with the standard 3.5 inch bays on the front and a separate area for the solid state media, while the TS h966TX moves into the denser mixed media format that QNAP has used before on some of its hybrid hero systems. That already places the range closer to a purpose built QuTS hero family than a straightforward update of the older TS 464 and TS 664, which used a more conventional compact tower layout with 4 or 6 HDD bays and 2 internal M.2 slots rather than externally accessible SSD facing bays.
From a storage layout perspective, the TS h666TX and TS h866TX are the more direct and easier models to position. They combine either 4 or 6 SATA HDD bays with 2 additional E1.S or M.2 NVMe capable bays, effectively giving each system a built in hybrid structure for HDD capacity and SSD tiering or fast pool allocation. That is a notable step away from the TS 464 and TS 664 approach, where the SSD element is present but still secondary, with 2 x M.2 2280 PCIe Gen 3 x1 slots intended mainly for caching or separate SSD storage rather than being presented as a more central part of the overall bay count.
The TS h966TX is the more unusual model in the group because it uses a 5 plus 4 arrangement, with 5 SATA HDD bays and 4 U.2 or SATA 2.5 inch bays. In practical terms, that design is less about scaling raw HDD capacity and more about offering a denser mixed media platform for users who want heavier SSD integration without moving into a full flash chassis. That layout is more in line with some of QNAP’s existing hybrid hero systems, where ZFS storage is paired with a more deliberate split between bulk HDD storage and higher speed SSD media, rather than the simpler HDD plus cache model seen in entry and lower mid range systems.
This is also where the new series starts to sit in a more defined position between the TS x64 range and the TVS h674 class. The TS 464 and TS 664 are still marketed as compact and affordable towers with M.2 support, but their storage design remains closer to mainstream SMB and prosumer use. The TVS h674, by comparison, is a 6 bay QuTS hero platform with 2 x M.2 NVMe slots and a much more traditional premium desktop NAS structure, focused on higher end ZFS deployment and PCIe expansion. The TS h666TX and TS h866TX seem to introduce a middle route, where the chassis and bay layout are more SSD aware and more explicitly hybrid than the TS x64 generation, but without fully mirroring the larger TVS hero desktop approach.
Overall, the design language here suggests that QNAP is targeting users who want direct access to both hard drive and flash storage in a tower form factor without relying entirely on internal motherboard mounted SSD slots. For QuTS hero in particular, that matters because ZFS benefits from clearer separation of storage roles, whether for high speed pools, application storage, read intensive workloads or automated tiering as QNAP continues to develop Qtier support in its ZFS platform. As a result, the storage design of the TS h666TX, TS h866TX and TS h966TX is not just a matter of adding more bays, but of shifting the product family toward more structured hybrid storage deployment than the older TS 464 and TS 664 offered.
Internally, the most important shift in this series is the move to Intel Core i3 1215U. This is a 6 core, 8 thread processor with a hybrid layout of 2 Performance cores and 4 Efficient cores, up to 4.40 GHz boost, and a 15 W base power profile. In broad terms, that puts it above the Intel Celeron N5095 used in the TS 464 and TS 664 generation, which is a 4 core, 4 thread chip with a lower performance ceiling and no hybrid core structure. For a QuTS hero platform, that matters because ZFS services, snapshots, background data operations, deduplication related overhead where applicable, and multi user file handling all benefit from having more CPU headroom than the older Celeron class systems can typically provide.
Memory is the other clear upgrade point. According to the revealed specification, all 3 systems arrive with 8GB DDR5 and support expansion up to 64GB. That is a substantial change in class compared with the TS 464, which uses DDR4 and officially tops out at 16GB, and it aligns more closely with the expectations of a ZFS based system where memory capacity can have a direct effect on caching behaviour, data services and overall responsiveness under heavier workloads. It does not place these models at the same level as QNAP’s higher end QuTS hero hardware with larger default memory pools or ECC focused enterprise positioning, but it does move them noticeably beyond the entry and lower mid range segment.
That leaves these systems in an interesting middle position when compared with the TVS h674. The TVS h674 is still the more powerful desktop hero system overall, with Intel Core desktop CPUs such as the Core i5 12400 or Core i3 12100 depending on configuration, higher default memory allocations, and a more overtly performance focused design. At the same time, the new TS h666TX, TS h866TX and TS h966TX seem to be aiming for a more efficient balance of modern CPU architecture, ZFS support and hybrid storage flexibility without moving fully into that higher cost workstation style category. In other words, the internal hardware does not suggest a direct replacement for the TVS h674, but it does suggest a clear move away from the older TS x64 class and toward a more serious mid tier hero platform.
Connectivity is one of the areas where this series separates itself most clearly from the older TS x64 generation. The TS h666TX and TS h866TX both combine 2 x 10GbE with 2 x USB 10Gb/s and 2 x USB4, alongside a PCIe Gen 3 x4 expansion slot. That is a substantial step forward from systems such as the TS 464, which provides 2 x 2.5GbE as standard and relies on PCIe expansion if higher bandwidth networking is needed. In practical terms, that means the new h66xTX models are being positioned for multi user editing, faster backup windows and direct attached workflows in a way that the mainstream TS line was not originally built around.
The inclusion of USB4 is particularly relevant here because QNAP has already used this kind of connectivity in creator focused products such as the TVS h674T, where Thunderbolt 4 is presented as a direct host connection option for Mac and Windows systems. While QNAP will still need to confirm the exact implementation and host workflow support on these new NAB 2026 systems, the presence of 2 x USB4 on all 3 models suggests that direct high bandwidth connection is a deliberate part of their design, rather than a secondary feature. That places these units closer to QNAP’s media and production focused hardware than to the more general office and home NAS segment.
The TS h966TX is slightly different, and arguably less aggressive, in its network configuration. Instead of the dual 10GbE arrangement of the h666TX and h866TX, the h966TX is listed with 1 x 10GbE and 1 x 2.5GbE, while still retaining 2 x USB 10Gb/s and 2 x USB4. That means the 9 bay model has the most storage flexibility in the family, but not the strongest network specification on paper. If that specification is accurate at launch, it makes the h966TX a more storage led hybrid platform rather than the highest bandwidth model in the group, which is not the usual assumption buyers would make when looking at the largest chassis first.
Specification:
TS h666TX: 2 x 10GbE, 2 x USB 10Gb/s, 2 x USB4, 1 x PCIe Gen 3 x4
TS h866TX: 2 x 10GbE, 2 x USB 10Gb/s, 2 x USB4, 1 x PCIe Gen 3 x4
TS h966TX: 1 x 10GbE, 1 x 2.5GbE, 2 x USB 10Gb/s, 2 x USB4
At the time of writing, QNAP does not appear to have published final retail pricing or a formal product page for the TS h666TX, TS h866TX or TS h966TX on its main product catalogue or 2026 newsroom pages, so both availability and price should still be treated as unconfirmed. Based on the information shared at NAB 2026, the current indication is a target launch window around Q2 to Q3 2026, but that remains provisional until QNAP publishes official listings, regional store pages or a formal press release. QNAP’s own 2026 newsroom and product comparison pages currently show no live retail entry for these 3 systems, which supports the view that the series is still in the pre release stage rather than being commercially available now. In pricing terms, the most reasonable expectation is that this range will sit above the TS x64 family and below the TVS h74 class, assuming QNAP keeps the rest of its tower lineup structured in the same way. The TS 464 is still positioned by QNAP as a mainstream high performance tower option in its 2026 buying guide, while the current TVS h674 remains a more premium QuTS hero desktop platform with stronger CPU options and a generally higher specification tier. Given that the new TS h666TX and TS h866TX introduce QuTS hero, DDR5, Intel Core i3 1215U, integrated 10GbE and USB4, they would logically land between those 2 product families rather than alongside either one directly.
That said, the TS h966TX may prove harder to price neatly because its storage configuration is more specialised than the other 2 models. Its 5 plus 4 hybrid layout, mixed 10GbE and 2.5GbE networking, and heavier SSD oriented design could place it closer to existing hybrid hero systems in value, even if its processor remains the same. Until QNAP confirms MSRPs, any exact figure would be speculative, but the broader market position appears to be that these are intended as a mid tier QuTS hero tower family, not a direct budget replacement for the TS 464 and TS 664, and not a full substitute for the TVS h674 or TVS h674T either.
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The UniFi UNAS 4 and the UGREEN DH4300 Plus are being compared because they currently occupy a very similar part of the 4-bay NAS market, with both systems targeting buyers who want a relatively affordable turnkey storage solution with 2.5GbE connectivity, modern desktop design, and a lower entry price than many traditional NAS brands. On paper, they are close enough in price to be direct alternatives, but in practice they approach NAS deployment very differently. The UniFi UNAS 4 is built around tight integration with the wider UniFi ecosystem and focuses primarily on straightforward storage, backup, and remote file access, whereas the UGREEN DH4300 Plus is designed as a broader standalone NAS platform with more memory, a more powerful ARM processor, HDMI output, and a wider range of applications and services. That makes this comparison relevant not just because of the hardware and price overlap, but because each system reflects a different idea of what an entry to mid-range 4-bay NAS should be in 2026.
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Before I dig into which of the DH4300 or UNAS 4 is best for you, it is worth highlighting again that these are two comparatively new players in the NAS scene (compared with long time multi-decade vetrans such as Synology, QNAP, Asustor and Terramaster), so let’s talk about their priorities and focus at a brand level. Both UGREEN and UniFi have entered the NAS sector from distinct starting points and continue to move in different directions, each targeting a particular type of user. UniFi’s UNAS series delivers consistency, predictable performance, and dependable integration with the broader UniFi ecosystem. Its software is stable, lightweight, and well-suited to users who prioritize straightforward storage management, reliable data handling, and unified control across routers, switches, and surveillance systems. While the hardware is limited to fixed ARM configurations and non-expandable memory, it is efficient, quiet, and designed for continuous operation with minimal maintenance. For organizations already invested in UniFi infrastructure, the UNAS systems provide a logical expansion that keeps management centralized and operational risk low. However, their value depends heavily on ecosystem synergy; outside of that environment, the systems remain competent but relatively inflexible standalone NAS options.
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UGREEN’s NASync platform, on the other hand, appeals to users seeking broader performance capability and independence. Its x86-based models, upgradable memory, and open software environment allow it to serve as a hybrid between NAS and compact server, capable of running applications, containers, and virtual machines alongside storage tasks. The design language is more suited to individual or small business use than datacenter deployment, but the hardware range—from ARM to Core i5—covers a far wider performance spectrum than UniFi’s. Software maturity continues to evolve quickly, with new features added frequently, and the systems provide extensive compatibility with third-party clients and backup services. The trade-off is that long-term reliability and enterprise-level security validation are still developing.
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Ultimately, UniFi NAS suits users who already rely on UniFi’s networking ecosystem and value simplicity, predictability, and centralized management, while UGREEN NAS caters to those prioritizing flexibility, compute power, and open software capability. Both brands have lowered the entry barrier into reliable NAS ownership, but they embody opposing philosophies: UniFi focuses on integration and control, whereas UGREEN emphasizes capability and independence.
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Why Buy UGREEN NAS?
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From a physical design perspective, these 2 NAS systems take very different approaches. The UniFi UNAS 4 has a taller, narrower chassis with a more vertical layout, while the UGREEN DH4300 Plus uses a more cubic desktop design that will look more familiar to buyers coming from Synology, QNAP, or Asustor hardware. The UniFi system is also available in black or white, which gives it a more deliberate visual identity within the wider UniFi product range, whereas the UGREEN keeps to a more conventional single-finish enclosure. In both cases, the chassis material is primarily plastic, so neither is especially premium in material terms, but each is clearly trying to prioritize compactness and low manufacturing cost rather than metal construction.
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The drive arrangement is also notably different. The UniFi UNAS 4 places its 4 SATA bays in the base of the chassis, with the drives inserted from underneath, while the UGREEN DH4300 Plus uses a top-loaded vertical bay arrangement hidden under a removable outer shell. Neither system uses a particularly enterprise-focused tray design, and neither is really built around frequent hot-swap use in the same way as more expensive rackmount or prosumer NAS systems. That said, the UniFi trays are easier to describe as straightforward click-in drive carriers, while the UGREEN trays feel more budget-oriented in construction and do not leave the same impression of robustness as more established NAS brands.
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In storage flexibility, the UniFi has the more ambitious configuration. Alongside its 4 SATA bays, it also includes 2 dedicated M.2 NVMe slots for SSD cache. That gives it an advantage in hybrid storage architecture, since the hard drives can be used for capacity while the NVMe media handles read and write cache duties. The UGREEN DH4300 Plus does not include M.2 storage slots, so any SSD deployment has to consume one or more of the main SATA bays, which reduces total storage capacity. At the same time, UniFi currently limits those NVMe bays to cache use rather than general storage pools, so the practical advantage is still narrower than the raw hardware layout suggests.
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The 2 brands also differ in RAID and storage management philosophy. The UGREEN supports a broader list of RAID modes, including JBOD, Basic, RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10, which gives it more deployment flexibility for different user priorities around performance, redundancy, or simple linear storage. The UniFi platform supports RAID 5, RAID 6, and RAID 10, but its overall storage structure is more controlled and less flexible, with a stronger focus on a simplified single storage pool approach. For buyers who want fewer decisions and a cleaner setup process, that may be acceptable, but for users who want more granular control over how storage is arranged, the UGREEN is less restrictive.
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In pure storage potential, the UGREEN is also easier to quantify because it officially supports up to 128TB across 4 bays using 32TB drives, whereas UniFi focuses more on supported drive compatibility and cache pairing than on headline raw capacity figures. The UniFi does have the practical advantage of SSD caching built in, which can improve responsiveness in repeated access and write-heavy workloads, but the UGREEN has the simpler storage proposition overall and does not tie part of its internal design to optional accessories such as UniFi’s separate M.2 tray approach. As a result, the UniFi has the more distinctive and technically layered storage design, while the UGREEN has the more conventional and broadly flexible one.
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Internally, the UGREEN DH4300 Plus has the stronger hardware specification. It uses an 8-core Rockchip ARM processor based on Cortex-A76 and Cortex-A55 cores running at up to 2.0GHz, alongside 8GB of LPDDR4X memory and 32GB of eMMC for the system. By comparison, the UniFi UNAS 4 uses a quad-core ARM Cortex-A55 processor at 1.7GHz with 4GB of memory. Both systems are clearly built around low-power ARM architecture rather than x86 processing, but the UGREEN has the more capable platform on paper and offers more headroom for multitasking, background services, and broader software functionality.
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The UniFi system does, however, counter with a more unusual internal layout. In addition to its 4 SATA bays, it includes 2 M.2 NVMe slots dedicated to SSD cache, which gives it a storage acceleration feature that the UGREEN does not match natively. For users dealing with repeated file access, background synchronization, or burst-heavy write activity, that cache support has practical value. The UGREEN relies entirely on its 4 SATA bays for storage media, so although its CPU and memory are stronger, its internal storage architecture is less advanced in terms of tiered storage.
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External connectivity is broader on the UGREEN. It includes 1x 2.5GbE LAN port, HDMI output at up to 4K 60Hz, 1x front USB 3.2 Gen 1 port at 5Gb/s, and 2 additional USB-A 5Gb/s ports. The UniFi UNAS 4 is much more limited, offering 1x 2.5GbE RJ45 port and 1x 5Gb/s USB-C port. This narrower I/O profile reflects the fact that UniFi has positioned the UNAS 4 as a focused network storage appliance rather than a multi-role NAS for media output, peripheral attachment, or application expansion. In direct hardware terms, the UGREEN is better equipped for users who expect more than basic file serving.
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Power and deployment also separate these 2 systems. The UniFi UNAS 4 supports PoE+++ and includes a 90W PoE adapter, which allows both power and network connectivity over a single cable in supported environments. That is unusual in this part of the NAS market and makes it particularly relevant for users already invested in UniFi switching infrastructure or those deploying hardware in locations where simplified cabling matters. The UGREEN uses a more conventional external power arrangement, which is less distinctive but also less dependent on network infrastructure choices. Therefore, the UGREEN has the stronger internal compute hardware and broader physical connectivity, while the UniFi has the more specialized deployment advantage.
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The biggest difference between these 2 NAS systems is not the chassis or the processor, but the software scope. The UniFi UNAS 4 runs UniFi Drive and is clearly built around a narrower storage-first brief, with support for SMB, NFS, snapshots, file encryption, Time Machine, share links, user groups, remote backup, cloud backup targets, and client apps. It covers the main NAS fundamentals expected by home users and small offices, but it does so within a more controlled environment that places simplicity and consistency ahead of feature breadth. The UGREEN DH4300 Plus, running UGOS Pro, aims much wider and includes not only file serving and backup tools, but also multimedia applications, container support, HDMI-based media playback, AI-assisted photo features, and broader service depth overall.
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For pure storage management, UniFi Drive is cleaner and more focused, particularly for users who want the NAS to act primarily as private cloud storage, backup target, and centralized file repository. Its interface is built to align with the broader UniFi platform, and that gives it an advantage for users already running UniFi networking equipment and remote management tools. However, that same focus also means the UNAS 4 is less flexible as a general-purpose NAS. The UGREEN platform does not have the same ecosystem tie-in, but it operates more independently and gives the user more scope to use the system for different workloads beyond file storage.
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Application support is where the gap becomes more obvious. The UGREEN DH4300 Plus supports Docker and has a noticeably broader service layer for media, backup, and user applications. That creates options for running third-party software, home media tools, and more customized services that simply are not part of the UniFi approach. The UniFi UNAS 4 does not currently try to compete in that area and instead presents itself as a dedicated NAS platform rather than an application host. For some users that will be a limitation, while for others it will be a benefit, because it reduces complexity and keeps the system centered on storage tasks rather than mixed workload experimentation.
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In practical terms, the software decision comes down to whether the buyer values depth or focus. The UGREEN DH4300 Plus offers the broader NAS software experience and is better suited to users who want more features, more applications, and more ways to extend the system over time. The UniFi UNAS 4 offers the more controlled and storage-specific platform, with the clearest advantage appearing when it is deployed inside an existing UniFi environment. As a result, the UGREEN software stack is more versatile, while the UniFi software stack is more specialized.
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Taken as a whole, these 2 systems are aimed at a similar buyer in price terms, but they are not trying to solve the same problem in the same way. The UniFi UNAS 4 is a more specialized NAS that focuses on storage, backup, remote access, and integration within the UniFi ecosystem. The UGREEN DH4300 Plus is a broader standalone NAS that gives the user more hardware resources, more software flexibility, and a wider overall role in the network. That difference matters more than the relatively small gap in price, because in day to day use they will appeal to different priorities. The UniFi UNAS 4 makes more sense for buyers who already use UniFi switches, gateways, and management tools, or for those who specifically want a NAS that stays focused on file storage instead of trying to become a media server or container host. Its built in NVMe cache support and PoE+++ deployment give it some useful differentiators, and its simpler software scope will suit users who want a more controlled experience. However, outside of the UniFi ecosystem, some of its strengths become less important, while its limitations in application support, connectivity, and hardware power become harder to ignore.
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The UGREEN DH4300 Plus is the better fit for users who want a more traditional all-round NAS. It has the stronger CPU, more memory, broader external connectivity, more RAID options, HDMI output, Docker support, and a software platform with more room to scale into multimedia, backup variety, and third party services. It is the more capable choice for mixed home and small business use, particularly for buyers who are not tied to any specific network brand and want their NAS to handle more than just centralized storage. It is also the easier system to recommend to users comparing it against other established 4-bay NAS platforms in the same price bracket. So, in direct usage terms, the UniFi UNAS 4 is better for UniFi-centric deployments, cleaner storage-first use, and buyers who value NVMe caching and PoE-based installation. The UGREEN DH4300 Plus is better for users who want stronger hardware, more software features, better connectivity, and a wider long term usage profile. If the question is which is the better pure value NAS for the largest number of users, the UGREEN DH4300 Plus is the stronger overall option. If the question is which fits better into a UniFi-led network and a simpler storage-focused role, the UniFi UNAS 4 is the more appropriate choice.
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| Buy the UGREEN DH4300 on Amazon @399 | Buy the UniFi UNAS 4 on The UniFi Store for $379 |
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This description contains links to Amazon. These links will take you to some of the products mentioned in today's content. As an Amazon Associate, I earn from qualifying purchases. Visit the NASCompares Deal Finder to find the best place to buy this device in your region, based on Service, Support and Reputation - Just Search for your NAS Drive in the Box Below
Need Help?
Where possible (and where appropriate) please provide as much information about your requirements, as then I can arrange the best answer and solution to your needs. Do not worry about your e-mail address being required, it will NOT be used in a mailing list and will NOT be used in any way other than to respond to your enquiry.
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TRY CHAT
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Ko-fi or old school Paypal. Thanks!To find out more about how to support this advice service check HEREIf you need to fix or configure a NAS, check Fiver
Have you thought about helping others with your knowledge? Find Instructions Here
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The Synology BeeStation BST151-4T is a 4 TB single drive personal cloud device that sits somewhere between an external hard drive and a traditional NAS, targeting users who want centralized storage, photo backup, file syncing, and remote access without dealing with a conventional multi bay server setup. It follows the original BST150-4T BeeStation, first released in February 2024, and appears to be a light refresh of that earlier model rather than a full redesign. As with the first version, the focus is on quick deployment, simple management, and a more consumer friendly software experience, using Synology’s BeeStation platform instead of the broader and more configurable DSM system found on the company’s standard NAS lineup.
At a hardware level, the BST151-4T remains a very compact single bay network storage appliance with a fixed 4 TB hard drive, built around the Realtek RTD1619B platform and a 1GbE network connection. Physical connectivity is unchanged from the earlier BeeStation, with 1 x USB-A 3.2 Gen 1 port, 1 x USB-C 3.2 Gen 1 port, and 1 x RJ-45 LAN port, all housed in the same 148.0 x 62.6 x 196.3 mm enclosure weighing 820 g.
That hardware profile makes clear where the BeeStation sits in Synology’s lineup. This is not a flexible NAS chassis with room for drive upgrades, SSD cache, multi bay expansion, or faster networking. The internal disk is part of the appliance design, so there is no meaningful path to RAID redundancy, easier drive level recovery, or long term capacity scaling in the way there is on a conventional 2 bay or 4 bay NAS.
Power and thermals are also modest, which is consistent with a low power, always on personal cloud device. Synology lists power consumption at about 7.85 W during access and 1.65 W in HDD hibernation, with a 36 W external power adapter. The system continues to use a single HAT3300-4T drive, and Synology’s current 4 TB HAT3300 model is a 5400 RPM class disk rather than a faster 7200 RPM unit.
The one specification that requires care is memory. Synology’s March 30, 2026 product specification PDF and the current BeeStation comparison page both list the BST151-4T with 1 GB DDR4, but Synology’s newer BST151-4T datasheet, published later in March 2026 and mirrored across multiple regional versions, lists 2 GB DDR4 instead. On balance, the later datasheet appears to reflect the intended refresh specification, but Synology’s own published material is not yet fully consistent. (UPDATE – RAM on the BST151-4T is CONFIRMED as 2GB)
Assuming the 2 GB figure in the later datasheet is the correct final spec, the BST151-4T is best understood as a minimal revision of the BST150-4T rather than a new hardware generation. The enclosure, CPU, ports, networking, and drive class are effectively the same, while the main change is the move from the predecessor’s 1 GB memory configuration to 2 GB. That could simply reflect practical component economics as much as performance tuning, since lower density memory packages can become less cost effective over time as supply shifts. In either case, this still appears to be fixed onboard memory, not a user upgradeable SO-DIMM arrangement, so the platform remains closed in the same way as the original model.
| Specification | Synology BeeStation BST151-4T |
|---|---|
| Capacity | 4 TB |
| Drive type | Synology HAT3300-4T |
| Processor | Realtek RTD1619B |
| Memory | 2 GB DDR4 listed in the newer datasheet; 1 GB DDR4 still appears on some Synology product spec pages |
| LAN | 1 x 1GbE RJ-45 |
| USB | 1 x USB-A 3.2 Gen 1, 1 x USB-C 3.2 Gen 1 |
| Dimensions | 148.0 x 62.6 x 196.3 mm |
| Weight | 820 g |
| Power adapter | 36 W |
| Power consumption | 7.85 W access, 1.65 W HDD hibernation |
| Operating temperature | 0°C to 35°C |
| Warranty | 3 years |
In 2026, the BeeStation platform is no longer limited to basic remote file access. Synology positions it as a consumer focused private cloud for storing, syncing, and sharing files and photos, with web, desktop, and mobile access, support for sign in via Google Account, Apple ID, or Synology Account, and shared access for up to 8 users on a single device. It is designed to pull together data from phones, computers, external drives, and selected cloud services into one managed location rather than acting only as a simple networked hard drive.
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Photo handling is one of the more developed parts of the platform. Synology states that BeeStation can back up mobile photos, import content from sources such as Google Photos and iCloud Photos, and organize images with local AI based recognition for people, subjects, and places. The software also supports timeline and map based browsing, album creation, and controlled photo sharing, which places the BST151-4T closer to a private cloud photo hub than to a basic USB backup box.
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Its data protection features have also expanded since launch. BeeStation now supports internal restore points based on snapshots, backups to BeeProtect, Synology NAS, and external drives, plus a 3 year Acronis True Image Essentials license for 1 computer. BeeStation OS 1.5 also added BeeCamera support, but Synology limits that feature to BeeStation Plus models rather than the standard 4 TB unit, so the BST151-4T does not currently gain the surveillance role that the higher tier model has started to take on.
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Where the BeeStation still differs from a DSM based NAS such as the DS124 or DS223 is in breadth and flexibility. Synology’s DS124 and DS223 product pages explicitly advertise broader DSM functions including Synology Drive based private cloud workflows, Btrfs snapshot features, ShareSync between Synology systems, full Surveillance Station support, and the wider DSM application platform. By contrast, BeeStation remains a curated appliance with a narrower software stack, no general DSM Package Center environment, no broad package driven expansion path, and on the standard 4 TB model no BeeCamera surveillance support either. In other words, it can cover the main personal cloud tasks, but it still does not replace the wider role of even Synology’s entry level DSM NAS systems.
The BST151-4T looks like a modest revision of the original BeeStation rather than a substantially new product. Its appeal remains the same: a preconfigured, low friction private cloud for users who want basic file storage, photo backup, syncing, sharing, and remote access without moving into a full DSM based NAS environment. The hardware envelope is still narrow, with a fixed internal 4 TB drive, 1GbE networking, and no real upgrade path for storage expansion or RAID style redundancy, but that is consistent with its role as an entry level turnkey appliance rather than a general purpose NAS. Synology’s own later datasheet points to 2 GB of RAM on the new model, which would make the BST151-4T a small but practical refresh of the BST150-4T rather than a platform shift. Pricing is the main unknown at the time of writing. Synology’s support status page already lists the BST151-4T as generally available, but public retail pricing is still not clearly established. On that basis, the safest expectation is that it will land close to the earlier 4 TB BeeStation, which launched around $199 in the US and about £209 in the UK, while more recent BST150-4T retail listings have also appeared higher depending on seller and region, sat around $309 without TAX. That likely places the BST151-4T will land in excess of $300 and maybe closer to $350 when factoring the RAM increase.
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The Minisforum N5 Max was originally shown in January 2026 during CES 2026 as the next step in the company’s 5 bay NAS series, following the N5 Pro that arrived in summer 2025 and later sitting above the N5 Air that was introduced in February 2026. At that stage, most of the information around the system came from early hands on coverage, reveal material, and first wave specification details, which meant some elements were still provisional or inconsistent depending on source. Now, in April 2026, the picture around the N5 Max is much clearer. Minisforum has provided a more defined specification set, a clearer description of the hardware layout, and a much stronger explanation of how the system is intended to be positioned, not just as another compact 5 bay NAS, but as a higher tier platform that combines local AI capability, multi tier storage, and more advanced infrastructure features. This update is therefore intended to bring the original January reveal into line with what is currently known, clarify where earlier CES details have since been refined, and set out the N5 Max as it stands now based on the latest available information.
| Where to Buy the Minisforum N5 NAS Series: |
The N5 Max keeps the same broad chassis direction first seen in the earlier N5 systems, using a compact 5 bay enclosure that supports both 3.5 inch and 2.5 inch SATA drives. Physically, it remains very close to the N5 Pro and N5 Air in footprint, with the April 2026 dimensions now listed at 199 × 202.4 × 252.3 mm and a base unit weight of 5 kg. That means Minisforum has not redesigned the platform into a larger desktop tower, but instead chosen to scale capability within the same general enclosure class that defined the rest of the series.
One of the more visible design changes carried over from the original January reveal is the inclusion of lockable drive trays. That may seem like a small revision, but it directly addresses one of the practical complaints raised around the earlier N5 generation. Minisforum is also still using the pull out internal layout, where the main board and flash storage area can be accessed through a more service friendly internal assembly rather than a completely fixed internal frame.
In structural terms, the N5 Max remains very much part of the same family, but it has been revised in several small ways that make it look more mature than the first N5 design.
On the hard drive side, the N5 Max is now specified with 5 SATA 3.0 bays supporting up to 30 TB per bay, giving the system a stated raw HDD ceiling of 150 TB before any NVMe storage is counted. Minisforum also lists the platform as supporting up to 190 TB total storage overall. Compared with the 22 TB per drive guidance attached to earlier N5 series documentation, this higher ceiling does not change the number of bays, but it does position the Max for a higher total capacity target within the same physical format. As with most NAS vendors, real world drive compatibility will still depend on validation over time, but the intent is clearly to place the N5 Max above the earlier models in maximum raw storage potential.
Flash storage is where the N5 Max diverges most clearly from the N5 Pro and N5 Air. Instead of the mixed M.2 and U.2 style arrangement used on those systems, the N5 Max is now described as having 5 M.2 NVMe positions in total. The current April 2026 specification lists 1 × M.2 2280 NVMe slot running at PCIe 4.0 x4 with support up to 8 TB, plus 4 × M.2 2280 NVMe slots running at PCIe 4.0 x1 with support up to 8 TB each. Minisforum also states that the system disk is a preinstalled 64 GB module occupying 1 of those SSD positions, which is relevant because it affects how many slots are immediately free to the user out of the box.
That layout gives the N5 Max a storage structure that is more layered than the earlier N5 models, with large capacity HDDs handling primary bulk storage while multiple NVMe slots can be used for cache, active project data, containers, VM storage, model files, or application workloads. It also fits the broader April 2026 positioning of the unit as a system meant to keep more data in an active state rather than simply acting as a passive archive box. The tradeoff is that the Max no longer appears to prioritize the same U.2 flexibility seen on the N5 Pro and N5 Air, instead leaning harder into a denser onboard M.2 arrangement within the same 5 bay chassis.
The N5 Max is built around the AMD Ryzen AI Max+ 395, a 16 core, 32 thread processor with a 3 GHz base frequency and boost up to 5.1 GHz. Minisforum lists the chip with Radeon 8060S integrated graphics featuring 40 graphics cores, alongside AMD Ryzen AI support rated at up to 126 TOPS overall and up to 50 TOPS on the NPU. In simple terms, this places the N5 Max in a very different compute class to the original N5 and above the N5 Pro as well, making it much closer to a compact workstation platform than a conventional 5 bay NAS in processor terms.
Memory is also handled very differently from the rest of the series. Rather than using upgradeable SO-DIMM slots, the N5 Max is listed with 128 GB of LPDDR5x memory on a 256 bit interface, with support references of 7500 to 8000 MT/s depending on source. That fixed memory design should provide substantially more bandwidth than the socketed DDR5 approach in the N5 Pro and N5 Air, which matters for integrated graphics and local AI workloads, but it also removes user upgrade flexibility. This is one of the clearest examples of Minisforum prioritizing performance density over long term modularity in the Max model.
Cooling and power delivery have also been scaled up to match that higher tier hardware. Minisforum lists a cooling system built around 5 heat pipes with PCM, dual 80 × 15 mm turbo fans for the CPU area, dual 92 × 25 mm axial fans for the HDD section, and a separate 60 × 12 mm turbo fan for the SSD and PSU area. Power is now handled by an internal 250 W supply with AC input built directly into the chassis, replacing the external brick used on the earlier N5 systems. Taken together, these changes suggest that the N5 Max is not simply using a faster CPU in the same shell, but has been reworked internally to support higher sustained load, denser flash storage, and a more integrated overall design.
The N5 Max keeps the same broad I/O philosophy as the rest of the N5 family, but with a more aggressive top end specification. On the front, Minisforum lists 1 × USB4 port with DisplayPort Alt Mode 2.0 support and 1 × USB 3.2 Gen 2 port. On the rear, the system is listed with 2 × USB4 v2, 1 × USB 3.2 Gen 2, 1 × USB 2.0, 1 × HDMI 2.1 FRL, and 1 × AC input. There is also still an internal PCIe x16 slot operating at PCIe 4.0 x4, which means the N5 Max continues to support internal expansion in the same general way as the earlier N5 systems.
Networking is one of the areas where the April 2026 information has become more specific, but it is also where earlier coverage created some confusion. The latest specification material lists 2 × 10GbE LAN ports using Realtek RTL8127 controllers. That differs from some earlier CES era references that described 1 × 10GbE plus 1 × 5GbE, and it also differs from the N5 Pro and N5 Air, which were generally presented as 10GbE plus 5GbE systems. Based on the most recent material now available, the safest reading is that the N5 Max is currently positioned as a dual 10GbE model, though that was not consistently communicated in the earliest reveal phase.
Display and high speed external bandwidth are also stronger on the N5 Max than on the other N5 variants. Minisforum lists video output support through HDMI and USB4, with the current specification stating up to 8K at 60 Hz or 4K at 144 Hz. More notably, the USB configuration now includes 2 × USB4 v2 connections, which is a substantial increase in external bandwidth compared with standard USB4 implementations. In practical terms, that gives the N5 Max a better fit for high speed external storage, direct attach workflows, fast ingest tasks, and display connectivity, while reinforcing that this system is being pitched as more than just a standard network storage appliance.
At the most basic level, the N5 Max can still be understood as a compact 5 bay NAS for centralised storage, backup, and multi user file access. With support for up to 150 TB of raw HDD capacity across its SATA bays, plus additional NVMe storage for faster tiers, it can be used for the same core roles as more traditional NAS systems, including shared folders, media libraries, workstation backups, and project archives. The difference is that Minisforum is not presenting it as a storage box first and everything else second. Instead, the current messaging places storage alongside compute and local services as equal parts of the platform.
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The second role is as a higher performance working data system for users who need more than simple network storage. The combination of 5 HDD bays, multiple NVMe slots, dual 10GbE, PCIe expansion, and high speed USB4 v2 means the N5 Max is better suited to active workloads than a typical 5 bay desktop NAS. That can include media production, large photo libraries, virtual machine storage, container workloads, active project caching, and heavier multi user access. In that sense, the N5 Max sits closer to a compact storage server or workstation adjacent appliance than to an entry level NAS.
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The third and most distinctive role is local AI processing. Minisforum’s March 2026 positioning pushes the N5 Max as a platform for private AI workloads running directly on the device rather than through cloud services. The company has specifically highlighted OpenClaw deployment on local LLMs, semantic photo search, voice to text, summarisation, smart organisation, and a more unified AI assistant style interface inside its software environment. Whether all of those functions arrive in the same form and at the same maturity level at launch remains something that still needs real world validation, but the intended direction is clearly toward keeping both data and AI interactions local.
For more advanced users, the N5 Max is also being framed as a private infrastructure platform rather than only an appliance. Minisforum has attached features such as ZFS, snapshots, virtualization, Docker, UPS support, and stronger permission control to the product direction, which broadens its appeal beyond simple home storage. That means the N5 Max could be used not just for storing files or running AI assisted search, but also for self hosting services, managing recoverable local data pools, running isolated applications, or building a more controlled homelab environment around the same hardware.
As of April 6, 2026, Minisforum still does not appear to have published an official retail price or a confirmed shipping date for the N5 Max. The company’s March 11 announcement described the system as “to-be-launched,” and contemporaneous reporting also noted that pricing and release timing had not yet been announced. That means the N5 Max remains in a pre-release stage from a commercial point of view, even though the hardware platform, software direction, and much of the specification set are now clearer than they were during the original January CES reveal.
What can be said with more confidence is where the N5 Max is likely to sit within the existing Minisforum NAS range. On Minisforum’s current store listings, the N5 Air is shown at $519 sale price on the official store home page, the base N5 is shown at $599, and the N5 Pro is shown at $959, while no live product listing or price is currently visible there for the N5 Max. Given the Ryzen AI Max+ 395 platform, fixed 128 GB LPDDR5x memory, internal 250 W PSU, and broader AI focused positioning, it is reasonable to expect the N5 Max to land above the N5 Pro rather than alongside it, but until Minisforum formally opens orders or publishes a listing, that remains an informed expectation rather than a confirmed launch price.
| Where to Buy the Minisforum N5 NAS Series: |
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The Synology RS1626xs+ is a 1U 4 bay rackmount NAS aimed at business and enterprise environments that need high performance in a short-depth footprint. It succeeds the RS1619xs+ after a notably long refresh gap and introduces a more modern hardware platform, including a newer Intel Xeon D processor, 16 GB of ECC memory as standard, dual 10GbE networking, integrated M.2 NVMe slots, and PCIe Gen4 expansion. On paper, this is a more substantial update than some recent Synology refreshes, particularly in areas that affect throughput, caching, and expansion flexibility. At the same time, the RS1626xs+ arrives within the current Synology enterprise strategy, which places tighter control around validated components and supported media. That means the hardware changes need to be considered alongside platform restrictions, expected pricing movement, and the wider value proposition of DSM in the business rackmount market. As a result, the RS1626xs+ looks positioned as a compact but capable SMB and enterprise rack NAS, though its appeal will likely depend as much on Synology’s ecosystem policies as on the hardware itself.
At the core of the RS1626xs+ is an Intel Xeon D-1726 processor, a 6-core, 12-thread CPU with a 2.9 GHz base clock and up to 3.5 GHz turbo. This is a clear step up from the previous generation Xeon D-1527 found in the RS1619xs+, increasing both core count and clock speed. Although it is not the newest server CPU architecture available in 2026, it is a more current platform than its predecessor and brings PCIe Gen4 support, which has a direct effect on overall system bandwidth for expansions and attached components.
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| Category | Specification |
| Model | Synology RackStation RS1626xs+ |
| Form Factor | 1U rackmount |
| Processor | Intel Xeon D-1726 |
| CPU Count | 1 |
| CPU Cores | 6 |
| CPU Threads | 12 |
| Architecture | 64-bit |
| CPU Frequency | 2.9 GHz base / 3.5 GHz max turbo |
| Hardware Encryption Engine | Yes |
| Memory (Default) | 16 GB DDR4 ECC RDIMM |
| Memory Slots | 4 |
| Maximum Memory | 64 GB (4 x 16 GB) |
| Drive Bays | 4 |
| Maximum Bays with Expansion | 16 |
| Expansion Unit | RX1225RP x1 |
| M.2 Slots | 2 x M.2 2280 NVMe |
| Supported Drive Types | 3.5″ SATA HDD, 2.5″ SATA SSD, M.2 2280 NVMe SSD |
| Hot Swap Support | Yes, for main drive bays |
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| 10GbE Ports | 2 x RJ-45 |
| Management Port | 1 x out-of-band management/data transmission port |
| USB Ports | 2 x USB 3.2 Gen 1 |
| Expansion Port | 1 |
| Expansion Port Type | Mini-SAS HD |
| PCIe Slot | 1 x PCIe Gen4 x8 |
| Dimensions | 44 x 481.9 x 668.5 mm |
| Weight | 9.5 kg |
| Rack Support | 4-post 19″ rack |
| Rail Kit | Synology RKS-04 |
| System Fans | 4 x 40 mm x 40 mm |
| Fan Modes | Full speed, low temperature, silent |
| Replaceable System Fan | Yes |
| Auto Power Recovery | Yes |
| Noise Level | 52.6 dB(A) |
| Scheduled Power On/Off | Yes |
| Wake Support | Yes |
| Power Supply | 250 W |
| Redundant PSU | Yes |
| AC Input Voltage | 100V to 240V AC |
| Frequency | 50/60 Hz |
| Power Consumption | 97.59 W (access), 56.19 W (HDD hibernation) |
| BTU | 332.78 BTU/hr (access), 191.61 BTU/hr (HDD hibernation) |
| Warranty | 5 years |
Memory has also been increased, with the RS1626xs+ arriving with 16 GB of DDR4 ECC RDIMM as standard across 4 memory slots, with support for up to 64 GB total. That doubles the default memory provision of the older model and should better align with virtualization, backup indexing, active collaboration workloads, and larger multi-service deployments in DSM. Synology continues to recommend its own validated memory for upgrades, and as with other current business systems in its portfolio, warranty and support are tied closely to approved components.
In terms of storage, the system retains a 4 bay SATA drive architecture and supports expansion up to 16 total bays through the RX1225RP expansion unit. Alongside the main bays, Synology has included 2 internal M.2 2280 NVMe slots for SSD caching without consuming the PCIe expansion slot or front storage bays. This allows the RS1626xs+ to support flash-assisted performance acceleration out of the box, while preserving the rear PCIe slot for network or storage upgrades. Official support covers 3.5-inch SATA HDDs, 2.5-inch SATA SSDs, and M.2 NVMe SSDs, though deployment flexibility will still depend on Synology’s compatibility policies.
Networking is one of the more significant changes in this generation. The RS1626xs+ includes 2 built-in 10GbE RJ-45 ports, compared with the 4 x 1GbE arrangement of the RS1619xs+. There is also a dedicated out-of-band management port, 2 USB 3.2 Gen 1 ports, and a Mini-SAS HD expansion connector for the external shelf. For additional connectivity, the system includes 1 PCIe Gen4 x8 slot that can be used for 10GbE, 25GbE, or Fibre Channel upgrades, giving it more flexibility for storage networks and higher-bandwidth business environments than the previous model’s Gen3 slot.
Physically, the RS1626xs+ remains a 1U rack system but is notably deeper and heavier than the older unit, measuring 44 x 481.9 x 668.5 mm and weighing 9.5 kg. It also moves to a 250 W redundant power design, compared with the earlier 150 W arrangement, which reflects the higher performance profile and expanded integrated feature set. Synology rates the unit at 97.59 W during access and 56.19 W during HDD hibernation, with a quoted noise level of 52.6 dB(A). Cooling is handled by 4 x 40 mm fans, and the system includes standard enterprise features such as dual hot-swappable PSUs, scheduled power controls, auto-restart after power loss, and a 5-year warranty.
On the software side, the RS1626xs+ is positioned as a full DSM business platform rather than a storage-only rackmount. It supports up to 32 storage pools, a maximum single volume size of 108 TB by default, 200 TB with at least 32 GB of memory, and up to 1 PB in specific RAID 6 configurations with 64 GB of memory. Supported RAID modes include Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, and RAID F1, with SSD read/write cache and SSD TRIM also supported. File system support includes Btrfs internally, with a broad range of external file systems and network protocols including SMB, NFS, FTP, WebDAV, Rsync, iSCSI, and Fibre Channel.
DSM on this platform is also designed to support heavier service consolidation. Synology rates the RS1626xs+ for up to 1,900 SMB connections, 2,048 local user accounts, 512 shared folders, and 12 shared folder sync tasks. In application terms, the system is listed with support for up to 3,100 Synology Drive users, 3,000 Synology Office users, 3,600 MailPlus users, and 400 Synology Chat users, depending on memory configuration and workload type. Virtualization support includes VMware vSphere, Microsoft Hyper-V, Citrix XenServer, and OpenStack, while Virtual Machine Manager is rated for 12 virtual machines and 12 Virtual DSM instances.
Beyond file serving, the RS1626xs+ includes Synology’s wider business software stack for backup, surveillance, synchronization, and centralized administration. It supports Synology High Availability, Hyper Backup, Active Backup workloads, Snapshot Replication with up to 4,096 system snapshots, SAN Manager with up to 256 iSCSI targets and 512 LUNs, and Surveillance Station with 2 camera licenses included and support for up to 75 IP cameras at 1080p. Synology also positions the platform for hybrid cloud workflows, centralized fleet management through CMS and Active Insight, and newer AI-assisted functions within its collaboration suite, making the RS1626xs+ a software-heavy platform where DSM remains a major part of the system’s overall value.
| Category | Specification |
|---|---|
| OS | DSM |
| Max Volume Size | 108 TB, 200 TB with 32 GB RAM, up to 1 PB with 64 GB RAM and RAID 6 |
| Max Storage Pools / Volumes | 32 |
| RAID Support | Basic, JBOD, RAID 0, 1, 5, 6, 10, F1 |
| SSD Features | Read/write cache, TRIM |
| Internal File System | Btrfs |
| External File Systems | Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT |
| File Protocols | SMB, AFP, NFS, FTP, WebDAV, Rsync |
| Max SMB Connections | 1,900 |
| User / Folder Limits | 2,048 users, 512 groups, 512 shared folders |
| Shared Folder Sync Tasks | 12 |
| Hybrid Share Folder Limit | 15 |
| High Availability | Yes |
| Hyper Backup | Yes |
| Snapshot Replication | 256 snapshots per shared folder, 64 per LUN, 4,096 per system |
| SAN Manager | 256 iSCSI targets, 512 LUNs |
| Virtualization Support | VMware vSphere, Hyper-V, Citrix XenServer, OpenStack |
| Virtual Machine Manager | 12 VMs, 12 Virtual DSM instances |
| Synology Drive | 3,100 users, 25,000,000 files |
| Synology Office | 3,000 users |
| Synology Chat | 400 users |
| MailPlus | 5 free accounts, up to 3,600 users |
| Surveillance Station | 2 licenses included, up to 75 IP cameras |
| Synology Photos | Facial recognition, object identification |
| Download Station | 80 tasks |
| VPN Server | 12 connections |
| AI Features | Third-party AI model integration, de-identification up to 1,700 words |
Compared with the RS1619xs+, the RS1626xs+ is a more substantial hardware refresh than the model gap alone might suggest. The older system used an Intel Xeon D-1527, a 4-core, 8-thread processor running at 2.2 GHz base and 2.7 GHz turbo, whereas the RS1626xs+ moves to a Xeon D-1726 with 6 cores, 12 threads, 2.9 GHz base, and 3.5 GHz turbo. The newer model also doubles the default memory from 8 GB DDR4 ECC UDIMM to 16 GB DDR4 ECC RDIMM, while retaining the same 64 GB maximum ceiling across 4 slots. At the platform level, the move from PCIe Gen3 x8 to PCIe Gen4 x8 is also relevant, as it increases available expansion bandwidth for modern network or storage upgrades.
The networking and storage configuration also show a clearer shift in priorities. The RS1619xs+ arrived with 4 x 1GbE ports and required expansion for faster networking, whereas the RS1626xs+ includes 2 x 10GbE RJ-45 ports as standard, alongside a dedicated management port. Both systems support expansion to 16 bays with a 1 unit expansion shelf and both include 2 M.2 slots, but the RS1626xs+ is more focused on NVMe caching with integrated flash support alongside newer expansion options such as 10GbE, 25GbE, and Fibre Channel via the Gen4 slot. In practical terms, the newer system is much better aligned with modern high-throughput business environments straight out of the box.
That said, the RS1626xs+ is not an across-the-board improvement in every operational metric. It is larger, deeper, heavier, and significantly noisier on paper, moving from 518.6 mm depth and 39.3 dB(A) on the RS1619xs+ to 668.5 mm depth and 52.6 dB(A) on the newer model. Power consumption is also higher, rising from 68.68 W active usage on the older unit to 97.59 W on the newer platform. So while the RS1626xs+ is clearly the more capable and modern system in CPU, networking, memory, and expansion, it also reflects a more demanding enterprise profile in acoustics, power draw, and likely total deployment cost.
| Category | Synology RS1626xs+ | Synology RS1619xs+ |
|---|---|---|
| CPU | Intel Xeon D-1726 | Intel Xeon D-1527 |
| CPU Cores / Threads | 6 cores / 12 threads | 4 cores / 8 threads |
| CPU Clock Speed | 2.9 GHz base / 3.5 GHz turbo | 2.2 GHz base / 2.7 GHz turbo |
| Architecture | 64-bit | 64-bit |
| Hardware Encryption | Yes | Yes |
| Default Memory | 16 GB DDR4 ECC RDIMM | 8 GB DDR4 ECC UDIMM |
| Memory Slots | 4 | 4 |
| Maximum Memory | 64 GB | 64 GB |
| Drive Bays | 4 | 4 |
| Maximum Bays with Expansion | 16 | 16 |
| Expansion Unit | RX1225RP | RX1217 / RX1217RP |
| M.2 Slots | 2 x NVMe | 2 x NVMe / SATA |
| Supported Drives | 3.5″ SATA HDD, 2.5″ SATA SSD, M.2 NVMe SSD | 3.5″ SATA HDD, 2.5″ SATA HDD, 2.5″ SATA SSD, M.2 NVMe / SATA SSD |
| Hot Swap Support | Yes | Yes |
| Built-in Network Ports | 2 x 10GbE RJ-45 | 4 x 1GbE RJ-45 |
| Management Port | 1 x out-of-band management port | No dedicated management port listed |
| USB Ports | 2 x USB 3.2 Gen 1 | 2 x USB 3.2 Gen 1 |
| Expansion Port | 1 x Mini-SAS HD | 1 x Infiniband |
| PCIe Slot | 1 x PCIe Gen4 x8 | 1 x PCIe Gen3 x8 |
| Form Factor | 1U rackmount | 1U rackmount |
| Dimensions | 44 x 481.9 x 668.5 mm | 44 x 480 x 518.6 mm |
| Weight | 9.5 kg | 8.16 kg |
| System Fans | 4 x 40 mm | 2 x 40 mm |
| Fan Modes | Full speed, low temperature, silent | Full-speed, cool, quiet |
| Noise Level | 52.6 dB(A) | 39.3 dB(A) |
| Power Supply | 250 W | 150 W |
| Redundant PSU | Yes | Yes |
| Power Consumption | 97.59 W access / 56.19 W hibernation | 68.68 W access / 34.78 W hibernation |
| Operating Temperature | 5°C to 35°C | 5°C to 35°C |
| Warranty | 5 years | 5 years |
At the time of writing, Synology has revealed the RS1626xs+ on regional product pages, but wider global availability still appears to be pending. The system has already appeared in official marketing materials and product specification pages, indicating that the hardware and software position are now largely defined, even if retail rollout is not yet universal across all regions. Based on that, the RS1626xs+ should be treated as officially revealed, but not yet fully launched in every market. Release timing is notable because the RS1626xs+ arrives after a long gap following the RS1619xs+, which was introduced in the 2018 to 2019 period. That makes this a delayed but more meaningful refresh than some of Synology’s shorter product cycles, particularly given the changes to CPU generation, default memory, built-in networking, PCIe bandwidth, and integrated NVMe support. It is therefore not simply a minor refresh of the previous 1U 4 bay platform, even if the overall product class remains the same.
Pricing has not yet been formally confirmed in the materials provided, so any figure at this stage remains estimate rather than specification. The earlier RS1619xs+ was commonly seen around the $2,400 range earlier in its lifecycle, but later pricing in some regions moved closer to or above $3,000. Given the RS1626xs+ includes 16 GB ECC memory as standard, dual 10GbE onboard, a newer Xeon D platform, PCIe Gen4, and redundant 250 W power supplies, it would be reasonable to expect a higher launch price than its predecessor rather than price parity. The main issue for buyers will likely be total platform cost rather than base chassis cost alone. This system is aimed at business and enterprise deployment, and that means the final spend may also include validated Synology drives, NVMe media, memory upgrades, rail kits, network cards, and the RX1225RP expansion shelf where needed. Until Synology confirms full regional rollout and channel pricing, the RS1626xs+ should be viewed as a higher-tier compact rackmount NAS with an expected premium position in the current RackStation portfolio.
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Synology RS1626xs+ NAS
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Need Help?
Where possible (and where appropriate) please provide as much information about your requirements, as then I can arrange the best answer and solution to your needs. Do not worry about your e-mail address being required, it will NOT be used in a mailing list and will NOT be used in any way other than to respond to your enquiry.
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