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UGREEN DH4300 PLUS vs UniFi UNAS 4 – Which Should You Buy?

Par : Rob Andrews
17 avril 2026 à 18:00

UGREEN DH4300 PLUS vs UniFi UNAS 4 – Which Should You Buy?

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.

UniFi vs UGREEN NAS – Brand vs Brand

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.

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.

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.

Why Buy UniFi NAS?

Why Buy UGREEN NAS?

  • Ecosystem Integration: Seamlessly integrates with UniFi Network, Protect, and Access systems, allowing unified management through a single controller interface.

  • Centralized Management: Designed for administrators managing multiple UniFi sites or devices, providing consistent firmware, remote access, and monitoring from one dashboard.

  • Reliable, Efficient Design: ARM-based architecture ensures low power draw, cool operation, and stable long-term performance with minimal maintenance.

  • Enterprise-Grade Networking: Equipped with up to dual 10G SFP+ and 10GBase-T ports, plus USP-RPS redundancy for professional deployments.

  • Proven Security Framework: Benefits from Ubiquiti’s mature network security infrastructure, signed firmware updates, and NDAA-compliant hardware.

  • Superior Hardware Performance: Offers a full range from ARM to Intel Core i5 CPUs, with upgradable RAM, NVMe storage pools, and optional PCIe expansion.

  • Versatile Software (UGOS Pro): Supports Docker, virtual machines, AI photo indexing, and multi-platform backups out of the box.

  • All-in-One Standalone System: Functions independently without relying on an external ecosystem, ideal for users wanting a complete server in one unit.

  • Advanced Connectivity: Includes 2.5 GbE and 10 GbE networking, USB 4/Thunderbolt 4, and support for direct-attached workflows like video editing or large-file transfer.

  • Rapid Development and Updates: Frequent firmware releases continually add new features, broader hardware support, and improved backup and security options.

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UGREEN DH4300 vs UniFi UNAS 4 – Design and Storage

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.

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.

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.

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.

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.

UniFi UNAS4 vs UGREEN DH 4300 – Internal Hardware & Connections

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.

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.

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.

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.

UGREEN DH4300 vs UniFi UNAS 4 – Software & Services

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.

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.

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.

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.

UniFi UNAS 4 vs UGREEN DH4300 NAS – Conclusion & Verdict

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.

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.

Buy the UGREEN DH4300 on Amazon @399 Buy the UniFi UNAS 4 on The UniFi Store for $379

 

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Need Advice on Data Storage from an Expert?

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Terramaster F2-425 NAS – Should You Buy it?

Par : Rob Andrews
16 mars 2026 à 18:00

The Terramaster F2-425 – Should You Buy This NAS?

The TerraMaster F2-425 takes the same underlying hardware platform as the F4-425 and adapts it to a smaller 2 bay format aimed at simpler home and small office environments. With the same Intel Celeron N5095 processor, 4GB of upgradeable DDR4 memory, and single 2.5GbE connection, it delivers comparable compute capability in a more compact enclosure that prioritizes quiet operation and minimal physical footprint. The appeal of the F2-425 is less about expansion and more about practicality, targeting users who want centralized storage, backups, and media services without managing a larger multi drive system. It fits particularly well in scenarios where space, noise, and cost matter more than raw throughput or long term capacity growth. Rather than competing with higher end 2 bay NAS units that include NVMe caching or faster networking, the F2-425 focuses on providing a straightforward Intel based NAS experience that covers common use cases while leaving room for memory upgrades or alternative operating systems if requirements change later.

SOFTWARE - 8/10
HARDWARE - 6/10
PERFORMANCE - 6/10
PRICE - 10/10
VALUE - 9/10


7.8
PROS
👍🏻Accessible Entry Into Intel NAS for Smaller Setups in the F2-425
👍🏻Simplified Capacity Planning for Home Users on the F2-425
👍🏻Quiet, Consistent Performance in a Compact Chassis of the F2-425
👍🏻Straightforward Management for Individual and Family Use with the F2-425
👍🏻Long Term Flexibility Beyond the Default Software of the F2-425
CONS
👎🏻Network Bandwidth Ceiling Reached Quickly in the F2-425
👎🏻No SSD Cache or High Speed Tier Options on the F2-425
👎🏻Limited Headroom for Future Software Demands of the F2-425
👎🏻Hardware Feature That Adds Little Day to Day Value in the F2-425
👎🏻Narrow Upgrade Path Compared to Nearby Alternatives of the F2-425


Where to Buy a Product
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Amazon in Your Region Terramaster F2-425 PLUS B&H NAS Shop

Accessible Entry Into Intel NAS for Smaller Setups in the F2-425

The F2-425 stands out by bringing an Intel x86 platform into the more compact and cost sensitive 2 bay NAS category. Many 2 bay systems at this size and price rely on ARM processors, which can limit software compatibility and long term flexibility. By contrast, the F2-425 provides an Intel based environment that supports a broader range of applications, containers, and services, while remaining relatively affordable for home and small office users. Its value is less about raw performance and more about flexibility, giving users access to an x86 ecosystem without stepping up to more expensive 2 bay models that add NVMe caching or higher speed networking. For buyers who want a simple, compact NAS that can comfortably handle file sharing, backups, and media services, but who also want the option to expand functionality through third party applications or alternative operating systems, the F2-425 offers a balanced and practical entry point.

Simplified Capacity Planning for Home Users on the F2-425

On the F2-425, TRAID plays a slightly different role and aligns more closely with simplicity than scale. In a 2 bay NAS, users are often limited to RAID 1 or single disk configurations, which can make capacity upgrades feel restrictive. TRAID allows the F2-425 to handle mismatched drive sizes more gracefully, reducing the penalty of upgrading one drive at a time. This is particularly useful for home users who may start with smaller disks and later replace them individually rather than investing in a matched pair upfront.

The system abstracts much of the complexity away from the user, making storage expansion more approachable for those who do not want to manually manage RAID levels or rebuild arrays. While the absolute capacity ceiling is lower than on the 4 bay model, the F2-425 benefits from a storage system that prioritizes ease of use and gradual growth rather than strict optimization.

Quiet, Consistent Performance in a Compact Chassis of the F2-425

The F2-425 emphasizes steady and predictable performance rather than raw throughput, which aligns well with its smaller enclosure and typical use cases. With fewer drive bays and a lower likelihood of simultaneous high demand from multiple users, the Intel Celeron N5095 is generally sufficient for file serving, media playback, and routine background tasks. Hardware assisted video decoding allows the system to handle 4K media streaming with reduced CPU load, helping maintain responsiveness even during playback. The smaller chassis and lower overall thermal output also contribute to consistent behavior under everyday workloads, without aggressive fan ramping in most scenarios. For users placing the NAS in a living space or home office, this balance between performance and noise control can be more relevant than peak throughput figures.

Straightforward Management for Individual and Family Use with the F2-425

On the F2-425, the same TOS 6 platform is presented in a context that favors simplicity and accessibility. The interface is largely self contained and can be managed through a browser or the TNAS mobile application, which is useful for users who want basic control without learning advanced system administration. Features such as automated photo backups, shared folders, and user account isolation are easy to configure and align well with typical home usage.

In a smaller NAS, the emphasis is less on complex workflows and more on reliability and ease of access, and TOS 6 supports this by consolidating most tasks into a single interface. For users moving from external drives or cloud storage, the software environment on the F2-425 provides a relatively gentle transition into centralized network storage.

Long Term Flexibility Beyond the Default Software of the F2-425

The F2-425 also benefits from its openness as an x86 based system, which can be especially relevant in a smaller NAS that may change roles over time. While many users will initially deploy it as a simple file server or media box using TOS 6, the ability to switch to a different operating system later allows the hardware to be repurposed rather than replaced. This could include running a lightweight home server, experimenting with container workloads, or using it as a learning platform for NAS and Linux based systems. In a compact 2 bay device, this flexibility helps offset the more limited expansion options by giving the hardware multiple potential use cases across its lifespan. For users who want a small NAS that is not locked into a single software path, the F2-425 offers a degree of freedom that is less common in this size and price range.

Network Bandwidth Ceiling Reached Quickly in the F2-425

On the F2-425, the same single 2.5GbE port presents a different but still relevant constraint. Although a 2 bay NAS is less likely to push extreme throughput compared to a 4 bay system, even a pair of modern hard drives in RAID 0 or during parallel access can approach the limits of a 2.5GbE connection. This reduces the benefit of faster drives and makes performance gains from certain configurations less noticeable in real world use.

For users who plan to use SSDs or who already have a multi gigabit home network, the absence of faster native networking may feel restrictive. As with the F4-425, expansion via USB adapters is possible, but it adds another dependency rather than providing a clean, integrated solution. For a device positioned as an Intel based NAS, the networking capabilities may feel conservative relative to current expectations.

No SSD Cache or High Speed Tier Options on the F2-425

On the F2-425, the lack of NVMe support affects usability in a more subtle but still meaningful way. A 2 bay NAS often benefits from SSD caching to compensate for limited drive count, improving responsiveness during file browsing, small file access, and application use. Without NVMe slots, users are restricted to SATA based storage, and dedicating a drive bay to an SSD for caching or fast storage comes at the cost of usable capacity or redundancy. This reduces flexibility, especially for users who want to mix performance and safety in a compact system. While the F2-425 can still perform well for basic file serving and media playback, it does not offer a clear upgrade path for users who later want faster storage tiers without replacing the system entirely. In this size class, the absence of NVMe support reinforces its role as a straightforward storage appliance rather than a performance tunable platform.

Limited Headroom for Future Software Demands of the F2-425

In the F2-425, the same N5095 processor is generally adequate for its intended use cases, but it still represents a compromise when viewed against newer entry level Intel CPUs. For a compact NAS, the processor is sufficient for file sharing, backups, and media playback, but it offers less margin for expanding into additional services or more demanding applications. As operating systems and third party tools evolve, performance expectations tend to rise, and the older architecture may reach its limits sooner than more recent alternatives. This does not prevent the F2-425 from performing its current role effectively, but it does mean that users planning to grow their usage beyond basic tasks may encounter constraints earlier in the system’s lifespan. The CPU choice reinforces the device’s position as an entry level Intel NAS rather than a long term performance platform.

Hardware Feature That Adds Little Day to Day Value in the F2-425

On the F2-425, the HDMI port has even less practical relevance for most users. Given the device’s smaller size and typical placement in home environments, it is unlikely to be connected directly to a display for regular interaction. As with the larger model, the HDMI output does not provide access to a graphical interface or media center functionality under the default operating system. This limits its usefulness to diagnostics or alternative OS installation scenarios.

For users expecting local playback or direct control via a monitor and keyboard, the presence of HDMI may create expectations that are not met in practice. In everyday use, the port remains largely unused, making it more of a technical inclusion than a functional feature for the target audience.

Narrow Upgrade Path Compared to Nearby Alternatives of the F2-425

The F2-425 faces a similar issue within TerraMaster’s broader range, particularly when compared to other compact Intel based NAS models that include NVMe slots or more efficient processors. While the initial cost is lower, the lack of internal expansion options means users are largely locked into the performance profile they purchase on day 1. For buyers who later decide they want faster storage tiers, improved networking, or more responsive application performance, there is limited scope to evolve the system without replacing it entirely. In this context, the F2-425 works best for clearly defined and stable use cases, but it is less forgiving if requirements change. The presence of more flexible alternatives nearby in the lineup makes this limitation more noticeable when evaluating long term ownership.

Conclusion and Verdict of the F2-425 Review – Should You Buy?

The TerraMaster F2-425 offers a compact and accessible route into Intel based NAS ownership, focusing on everyday storage, backups, and media services rather than advanced performance tuning. Its smaller form factor, quieter operation, and simpler capacity planning align well with home and small office environments where space and ease of use matter more than throughput. The inclusion of TOS 6 and support for alternative operating systems provides flexibility at the software level, helping extend the usefulness of the hardware across different roles over time. However, like its 4 bay counterpart, the F2-425 has clearly defined limits. The lack of NVMe support and faster native networking means there is little room to grow into more demanding workloads, and the aging processor reinforces its position as an entry level Intel NAS. For users with modest, stable requirements, it can serve reliably as a central data hub. For those who anticipate expanding performance needs or experimenting with higher speed storage and networking, nearby alternatives may offer better long term value, even if they come at a higher initial cost.

Amazon in Your Region Terramaster F2-425 PLUS B&H NAS Shop

 


 

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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 Advice on Data Storage from an Expert?

Finally, for free advice about your setup, just leave a message in the comments below here at NASCompares.com and we will get back to you. 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. [contact-form-7] TRY CHAT Terms and Conditions
If you like this service, please consider supporting us. We use affiliate links on the blog allowing NAScompares information and advice service to be free of charge to you.Anything you purchase on the day you click on our links will generate a small commission which isused to run the website. Here is a link for Amazon and B&H.You can also get me a ☕ 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  
 
Or support us by using our affiliate links on Amazon UK and Amazon US
    
 
Alternatively, why not ask me on the ASK NASCompares forum, by clicking the button below. This is a community hub that serves as a place that I can answer your question, chew the fat, share new release information and even get corrections posted. I will always get around to answering ALL queries, but as a one-man operation, I cannot promise speed! So by sharing your query in the ASK NASCompares section below, you can get a better range of solutions and suggestions, alongside my own.

☕ WE LOVE COFFEE ☕

 

Asustor Lockerstor 4 Gen 2+ NAS Review

Par : Rob Andrews
27 février 2026 à 18:00

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

Where to Buy a Product
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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.

PROs of the Lockerstor 4 Gen 2+ NAS CONs of the Lockerstor 4 Gen 2+ NAS
  • 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

  • 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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Terramaster F4-425 NAS – Should You Buy This NAS?

Par : Rob Andrews
16 février 2026 à 18:00

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


Where to Buy a Product
amzamexmaestrovisamaster 24Hfree delreturn VISIT RETAILER ➤ 
amzamexmaestrovisamaster 24Hfree delreturn VISIT RETAILER ➤

Amazon in Your Region Terramaster F4-425 on AliExpress B&H NAS Shop

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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