All flash NAS devices deliver exceptional speed and reliability, making them ideal for demanding workloads like virtualization, media editing, and high-speed data access. The best overall pick in this category is the QNAP TBS-h574TX-i5-16G-US, thanks to its powerful Intel Core i5 processor and extensive connectivity options. For those prioritizing affordability, the UGREEN NAS DXP480T Plus offers a compelling all-flash solution without breaking the bank. Meanwhile, the Asustor FLASHSTOR 6 Gen2 FS6806X stands out for its pure NVMe performance in a compact 6-bay design. Readers should be aware that tradeoffs often involve balancing raw speed against expandability, price, and ease of use. Continue reading for a detailed breakdown of these options and more.
Key Takeaways
- Performance differences are most noticeable in multi-user, high-throughput environments, with NVMe-based models leading in speed.
- Expandability varies: larger bay counts and additional M.2 slots offer future-proofing but often come at a higher cost.
- Processor choice impacts workload handling — Intel Core i5 models outperform Celeron-based options for intensive tasks.
- Connectivity features like 10GbE and Thunderbolt significantly improve data transfer speeds but add to the price.
- Build quality and noise levels differ; enterprise-grade options tend to be more robust but less quiet and more expensive.
| all flash na | Processor | RAM | Form Factor | Network Ports |
|---|---|---|---|---|
| UGREEN NAS DXP4800 Plus 4-Bay | Intel Pentium Gold 8505 | 8GB DDR5 | — | 1x 10GbE, 1x 2.5GbE |
| UGREEN NAS DXP480T Plus 4-Bay | Intel i5 1235u | 8GB DDR5 | — | 10GbE, Wi-Fi 6 |
| QNAP TBS-h574TX-i5-16G-US 5-Ba | Intel Core i5-1340PE | 16GB DDR4 | Diskless | — |
| 4-Bay All-Flash NAS Server wit | Intel i5-12450H | — | Diskless | 4x 10GbE |
| Synology FlashStation FS200T A | Intel Celeron J4125 | 4GB DDR4 (upgradable to 8GB) | Desktop | 2.5GbE + 1GbE |
| UGREEN NAS DXP2800 2-Bay Deskt | — | 8GB DDR5 | Diskless | — |
| Asustor Flashstor 12 Pro FS671 | — | 4GB DDR4 | Diskless | — |
| Asustor FLASHSTOR 6 Gen2 FS680 | AMD Ryzen Embedded V3C14, up to 3.8GHz | — | — | — |
More Details on Our Top Picks
UGREEN NAS DXP4800 Plus 4-Bay NAS with Intel Pentium Gold 8505, 8GB DDR5 RAM, 128GB SSD, 10GbE, 4K HDMI, Diskless
The UGREEN NAS DXP4800 Plus stands out for its powerful Intel Pentium Gold processor and ample DDR5 RAM, making it ideal for small businesses and advanced users who need robust performance. Compared with the Synology FS200T, it offers significantly higher processing power and more flexibility for running virtual machines or AI applications. However, its drives are not included, and setup can be complex for those unfamiliar with enterprise features. The inclusion of 10GbE and 4K HDMI ensures fast data transfer and media output, but these features require compatible hardware to realize their full potential.
Pros:- High-performance processor and 8GB DDR5 RAM for demanding tasks
- Fast 10GbE network port and 4K HDMI output for media and data transfer
- Supports Docker, virtual machines, and advanced data management
Cons:- Hard drives are not included, adding to total cost
- Setup complexity may be challenging for less technical users
Best for: Small offices or technically skilled users requiring a high-performance, customizable NAS with virtualization capabilities
Not ideal for: Home users or those seeking a budget-friendly, plug-and-play solution without the need for extra drive purchases or complex setup
- Processor:Intel Pentium Gold 8505
- RAM:8GB DDR5
- Built-in Storage:128GB SSD
- Network Ports:1x 10GbE, 1x 2.5GbE
- M.2 NVMe Slots:2
- Maximum Capacity:144TB
Our verdict“This NAS is best suited for small businesses or advanced users needing powerful, flexible storage solutions.”
UGREEN NAS DXP480T Plus 4-Bay All-Flash SSD Network Attached Storage
The UGREEN NAS DXP480T Plus is designed for creators who need rapid file access and seamless connectivity, thanks to its Intel i5 1235u processor and all-flash SSD architecture. Its support for Wi-Fi 6 and 10GbE offers excellent flexibility for high-speed data transfer, outperforming traditional HDD-based NAS units like the Synology FS200T. While drives are not included and firmware updates are necessary for best performance, this NAS’s RAID options and NVMe slots make it a versatile choice for demanding workflows. Its high-speed networking and powerful CPU translate into fast media editing and transfer speeds.
Pros:- All-flash SSD design for maximum read/write speeds
- Powerful Intel i5 processor and multiple RAID options
- Supports Wi-Fi 6 and 10GbE for high-speed connectivity
Cons:- Drives are not included, increasing initial costs
- Firmware updates needed for optimal performance
Best for: Content creators and professionals who require fast file access and flexible networking options
Not ideal for: Users seeking an out-of-the-box, fully assembled NAS solution with included drives or simple setup
- Processor:Intel i5 1235u
- RAM:8GB DDR5
- Storage:128GB SSD + 4x M.2 NVMe
- Network Ports:10GbE, Wi-Fi 6
- RAID Support:JBOD, RAID0, 1, 5, 6, 10
- Max Capacity:Up to 32TB with drives
Our verdict“Ideal for creative professionals who prioritize speed and customizable storage configurations.”
QNAP TBS-h574TX-i5-16G-US 5-Bay High-Performance All-Flash NAS with Intel Core i5 Processor, Thunderbolt 4, and 10GbE Network Connectivity
The QNAP TBS-h574TX is a high-end solution featuring an Intel Core i5-1340PE processor and five NVMe SSD bays, making it well-suited for media editing and intensive data applications. Its Thunderbolt 4 support offers rapid direct connection to compatible Macs and PCs, surpassing many standard NAS units like the UGREEN DXP480T in raw transfer speed. The non-expandable 16GB RAM limits future upgrades, and the complex setup may deter less experienced users. Still, its combination of high-speed interfaces and robust processing power makes it a top choice for professional environments where speed is critical.
Pros:- Powerful Intel Core i5 CPU with 12 cores
- Supports Thunderbolt 4 for direct fast connections
- Fast NVMe SSD bays and 10GbE networking
Cons:- Non-expandable RAM limits future upgrades
- Complex setup for less technical users
Best for: Media professionals and technical users needing fast direct connection and high-performance storage
Not ideal for: Home users or small offices without Thunderbolt infrastructure or those seeking simple setup
- Processor:Intel Core i5-1340PE
- RAM:16GB DDR4
- Storage Bays:5 x NVMe SSD
- Connectivity:Thunderbolt 4, 10GbE
- Max Capacity:Up to 15mm SSDs
- Form Factor:Diskless
Our verdict“Best suited for media professionals and IT experts requiring high-speed, direct-connect storage.”
4-Bay All-Flash NAS Server with Intel i5-12450H, 32TB M.2 NVMe SSD, 4x 10GbE, 64GB Expandable Memory, HDMI/Mini-DP Output, Diskless
This NAS features an Intel i5-12450H processor and supports up to 64GB DDR5 RAM, making it ideal for virtualization, media streaming, and business workloads. Its 32TB all-flash storage capacity via four M.2 NVMe slots offers speed and flexibility, surpassing many 4-bay models like the UGREEN DXP480T in raw storage capacity. Multiple 10GbE ports and HDMI/Mini-DP outputs provide versatile connectivity for demanding environments. Nevertheless, it requires additional purchases for RAM and drives, and the premium build might be costly for casual users or small offices with lighter needs.
Pros:- Powerful 8-core i5 CPU with support for up to 64GB RAM
- Supports large 32TB all-flash storage with multiple high-speed ports
- Versatile connectivity options including HDMI and dual 10GbE
Cons:- Requires additional purchase for RAM and drives
- Setup complexity and higher cost may deter casual users
Best for: Businesses and power users needing high-speed virtualization and media processing
Not ideal for: Casual users or those seeking a ready-to-use, fully preconfigured NAS with drives included
- Processor:Intel i5-12450H
- Memory:Supports up to 64GB DDR5
- Storage Capacity:Up to 32TB via 4 M.2 NVMe
- Network Ports:4x 10GbE
- Connectivity:HDMI, Mini-DP
- Form Factor:Diskless
Our verdict“A high-performance choice for virtualization, media, and intensive business applications demanding speed and capacity.”
Synology FlashStation FS200T All-Flash NAS – 6-Bay 2.5″ SATA SSD, Intel Celeron J4125, 4GB DDR4 (Up to 8GB), 2.5GbE + 1GbE, Quiet SFF Desktop Storage
The Synology FS200T offers a compact, whisper-quiet design with six 2.5″ SATA SSD bays, making it perfect for small offices, home labs, or media servers where space and noise are concerns. Compared to high-end all-flash NAS units like the QNAP TBS-h574TX, it provides less raw speed but excels in energy efficiency and simplicity. Its Intel Celeron J4125 processor and 4GB RAM are sufficient for backups, virtualization, and media streaming, but limited upgrade options may frustrate power users. The integrated Synology DSM software enhances ease of use, especially for those new to NAS management.
Pros:- Compact, quiet operation ideal for small spaces
- Includes Synology’s user-friendly Data Management Suite
- Supports SSD caching and data protection features
Cons:- Limited RAM (upgradeable to 8GB), potentially restricting intensive multitasking
- No drives included, adding to total expense
Best for: Small offices, home labs, or media enthusiasts needing a quiet, space-efficient NAS with solid software support
Not ideal for: Heavy-duty enterprise workloads or users requiring extensive expandability and raw processing power
- Form Factor:Desktop
- Number of Bays:6
- Drive Type:2.5″ SATA SSD
- Processor:Intel Celeron J4125
- RAM:4GB DDR4 (upgradable to 8GB)
- Network Ports:2.5GbE + 1GbE
Our verdict“Best for users prioritizing quiet operation, small footprint, and reliable data protection over raw speed.”
UGREEN NAS DXP2800 2-Bay Desktop NAS Network Attached Storage (Diskless)
The UGREEN NAS DXP2800 stands out for its powerful hardware, featuring an Intel N100 quad-core CPU and 8GB DDR5 RAM, making it suitable for demanding data management tasks. Compared to simpler NAS options, this device offers multiple connectivity options, including 2.5GbE and 4K HDMI output, enabling versatile use cases like media streaming and remote collaboration. However, being diskless means buyers must purchase drives separately, which adds complexity and cost, and it may be overkill for basic storage needs. Its robust performance and advanced features make it ideal for remote workers or tech-savvy users needing centralized, high-performance storage. But casual users or those seeking a plug-and-play solution might find this setup unnecessarily complex and expensive.
Pros:- Powerful quad-core CPU and 8GB DDR5 RAM for smooth multitasking
- Multiple connectivity options including 2.5GbE and 4K HDMI output
- Easy to set up for users comfortable with hardware configuration
Cons:- Requires separate purchase of drives, increasing initial setup cost
- Potentially overpowered for basic storage needs
Best for: Advanced home users and remote workers needing flexible, high-performance data sharing
Not ideal for: Users seeking a simple, ready-to-use storage solution without additional drive purchases
- CPU:Intel N100 Quad-Core
- RAM:8GB DDR5
- Network:2.5GbE
- Drive Bays:2X M.2 NVMe Slots
- Video Output:4K HDMI
- Form Factor:Diskless
Our verdict“This NAS is best suited for users who prioritize performance and flexibility over simplicity.”
Asustor Flashstor 12 Pro FS6712X – 12 Bay M.2 SSD NAS Network Storage Enclosure
The Asustor Flashstor 12 Pro FS6712X offers impressive expansion with 12 M.2 NVMe SSD slots, making it ideal for users who need flexible, high-capacity storage configurations. Its quad-core Intel Celeron N5105 processor and dual 2.5GbE ports deliver solid performance, especially for intensive workloads like large-scale backups or media editing. Unlike smaller NAS units such as the Asustor Flashstor 6 FS6706T, this enclosure emphasizes capacity and customization, but it’s entirely diskless, requiring users to purchase and install drives and set up RAID configurations. This makes it less suitable for beginners or those seeking a simple plug-and-play device. Its high expandability makes it perfect for tech-savvy users who want tailored storage solutions, but it can be intimidating for non-technical buyers.
Pros:- 12 M.2 SSD slots for maximum capacity and flexibility
- Dual 2.5GbE ports for fast network connectivity
- Quad-core Intel Celeron processor for efficient multitasking
- Expandable RAM for future upgrades
Cons:- No pre-installed drives, increasing initial setup complexity
- Requires technical knowledge to configure and maintain
Best for: Tech-savvy users requiring maximum flexibility for large or specialized storage setups
Not ideal for: Beginners or users wanting an all-in-one ready-to-use NAS without drive installation
- CPU:Intel Celeron N5105, Quad-Core 2.0GHz
- Number of M.2 Slots:12
- Ethernet Ports:2 x 2.5GbE
- RAM:4GB DDR4
- Storage Type:M.2 NVMe SSD
- Form Factor:Diskless
Our verdict“This NAS is best for experienced users seeking a customizable, high-capacity storage solution.”
Asustor FLASHSTOR 6 Gen2 FS6806X 6-Bay All-Flash NVMe NAS
The Asustor FLASHSTOR 6 Gen2 FS6806X offers a high-end option with AMD Ryzen embedded processor and 10GbE connectivity, making it suitable for intensive tasks like virtualization, 4K editing, and enterprise environments. Its 8GB DDR5 ECC RAM supports stable multitasking and data integrity under heavy load, a step up from the 4GB found in other models like the FS6706T. The inclusion of PCIe 4.0 support for NVMe drives and multiple USB ports adds to its flexibility. On the downside, the device’s weight, larger dimensions, and more complex setup might deter non-technical users. It is a prime choice for demanding workflows that require the highest speed and reliability, but overkill for casual or small-scale use.
Pros:- High-performance AMD Ryzen quad-core processor
- 10GbE high-speed network for large data transfers
- Supports PCIe 4.0 NVMe SSDs for maximum speed
- ECC RAM for data integrity and stability
Cons:- Higher cost and complexity due to advanced features
- Requires technical knowledge for optimal setup
Best for: Power users and enterprises needing high-speed, high-reliability all-flash storage
Not ideal for: Casual users or those with limited technical skills looking for simple setup
- Number of Bays:6
- Processor:AMD Ryzen Embedded V3C14, up to 3.8GHz
- Memory:8GB DDR5 ECC RAM
- Networking:10GbE Ethernet
- Ports:5 USB ports
- Operating System:ASUSTOR Data Master (ADM)
Our verdict“This NAS is tailored for demanding environments where speed, reliability, and expandability are paramount.”
How We Picked
Products were selected based on their ability to deliver high-speed, all-flash storage performance suitable for professional and demanding use cases. We evaluated specifications such as processor power, RAM, SSD support, connectivity options, expandability, and build quality. Price was also a consideration to identify options that balance performance with value. Our ranking reflects a combination of raw speed, usability, future-proofing, and overall value, ensuring each product serves a distinct user need—from entry-level setups to enterprise-grade deployments.| all flash na | Processor | Form Factor |
|---|---|---|
| UGREEN NAS DXP4800 Plus 4-Bay | Intel Pentium Gold 8505 | — |
| UGREEN NAS DXP480T Plus 4-Bay | Intel i5 1235u | — |
| QNAP TBS-h574TX-i5-16G-US 5-Ba | Intel Core i5-1340PE | Diskless |
| 4-Bay All-Flash NAS Server wit | Intel i5-12450H | Diskless |
| Synology FlashStation FS200T A | Intel Celeron J4125 | Desktop |
| UGREEN NAS DXP2800 2-Bay Deskt | — | Diskless |
| Asustor Flashstor 12 Pro FS671 | — | Diskless |
| Asustor FLASHSTOR 6 Gen2 FS680 | AMD Ryzen Embedded V3C14, up to 3.8GHz | — |
Factors to Consider When Choosing All Flash Nas
Choosing the right all flash NAS involves more than just looking at raw specs. It’s important to consider how the device fits your specific workload, future growth plans, and budget. The following factors can help narrow down your options and avoid common pitfalls in making a purchase.Performance and Processor Power
Processing power directly influences how well an NAS handles multiple users and demanding applications. An Intel Core i5 or higher is suitable for virtualization, media editing, and heavy multitasking, while Celeron or lower-end CPUs may suffice for light file sharing. Remember, a faster processor often comes with increased cost, but it can dramatically reduce bottlenecks in high-performance environments.
SSD Support and Storage Architecture
All flash NAS devices rely on SSDs for speedy data access. Pay attention to the number of M.2 slots and the maximum supported capacity, as these determine future expandability. NVMe SSDs provide the fastest speeds but tend to be more expensive. Consider your current and anticipated storage needs to avoid overpaying or under-spec’ing your system.
Connectivity Options
High-speed interfaces like 10GbE Ethernet and Thunderbolt 4 are game-changers for transferring large files quickly. However, they also come with added costs and may require compatible network infrastructure. Think about your existing setup and whether investing in these features aligns with your workflow to get the most value.
Bay Count and Expandability
More bays typically mean greater scalability, but also higher initial costs. Dedicated M.2 slots for SSDs can enhance performance without sacrificing storage capacity. Balance your current needs with future growth to select a model that won’t bottleneck your expansion plans or overwhelm your budget.
Build Quality and Noise Levels
Enterprise-grade models often feature more robust construction and better cooling but can be noisier and pricier. For home or small office settings, quieter and more compact options may be preferable. Always consider where the NAS will sit and how much noise is acceptable in your environment.
Frequently Asked Questions
Is NVMe the only option for high performance in an all flash NAS?
While NVMe SSDs deliver the highest speeds due to their direct connection to the PCIe bus, some high-end SATA SSDs can still provide excellent performance for many workloads at a lower cost. The choice depends on your specific needs; for ultra-fast data access and high IOPS, NVMe is ideal, but for general high-speed storage, SATA SSDs may suffice.
Can I upgrade the SSDs in my all flash NAS later?
Most modern all flash NAS devices support SSD upgrades, but compatibility varies. It’s important to verify whether the device has dedicated M.2 slots or drive bays that can be replaced or expanded. Upgrading can extend the device’s lifespan and performance but may involve downtime and compatibility considerations, especially with proprietary hardware or firmware restrictions.
Is a higher bay count always better for my NAS?
Not necessarily. A higher bay count provides more room for expansion and increased storage capacity, but it also increases cost and complexity. For small-scale or home use, a 2- or 4-bay model might be sufficient, while larger environments benefit from higher bay counts. Evaluate your current needs and future plans to avoid over-investing.
How important is network connectivity for an all flash NAS?
Connectivity determines the maximum data transfer speeds and workflow efficiency. 10GbE Ethernet and Thunderbolt interfaces significantly reduce transfer times for large files, which is vital for high-performance tasks. However, the supporting network infrastructure must also match these speeds; otherwise, you won’t see the full benefit. Consider both the NAS and your network setup when choosing connectivity features.
Are enterprise-grade NAS devices worth the extra cost for small businesses?
Enterprise-grade NAS devices provide better durability, more advanced features, and higher performance, which can be valuable for critical workloads. However, they also come with higher costs and complexity. Small businesses should assess their workload demands and growth plans; for many, mid-tier models offer a balanced mix of performance and affordability.
Conclusion
For general users seeking the best overall performance, the QNAP TBS-h574TX-i5-16G-US makes a compelling choice. Budget-conscious buyers aiming for high-speed storage without overspending will appreciate the UGREEN NAS DXP480T Plus. Professionals or large teams needing maximum throughput should consider the Asustor FLASHSTOR 6 Gen2 FS6806X for its pure NVMe architecture. Beginners or small offices will benefit from simpler, quieter models like the Synology FlashStation FS200T, while enterprise users will prioritize robustness and expandability in higher-end options. Tailor your choice to your specific workload, budget, and future growth plans for the best results.
