Asustor Flashstor 6 FS6706T
Score: 83/100
Synology DS425+
Score: 79/100Rankings
The ASUSTOR Flashstor FS6706T is a compact 6-bay all-SSD NAS delivering blazing 2.5 GbE performance and 4K transcoding. Its limitations include a modest 4 GB RAM base and the inability to use HDDs, which may restrict capacity flexibility. Best suited for content creators and small-to-medium businesses that prioritize speed over massive raw capacity.
The Synology DiskStation DS425+ is a 4-bay NAS featuring an Intel Celeron J4125, 2.5 GbE plus 1 GbE connectivity, and a built-in hardware encryption engine. Its limited RAM capacity and absence of 10 GbE limit high-performance scenarios. Suitable for home offices and small teams needing secure, energy-efficient storage.
| Attribute | | |
|---|---|---|
— | 108 TBbest | |
6best | 4 | |
4best | 4best | |
2 GHzbest | 2 GHzbest | |
4 GBbest | 2 GB | |
590 MB/sbest | 278 MB/s | |
583 MB/sbest | 281 MB/s | |
4best | 2 |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage(1) | ||
Drive Bays | 6 | 4 |
Performance(4) | ||
CPU Model | Intel Celeron N5105 | Intel Celeron J4125 |
Memory (RAM) (GB) | 4 GB | 2 GB |
Sequential Read Speed (MB/s) | 590 MB/s | 278 MB/s |
Sequential Write Speed (MB/s) | 583 MB/s | 281 MB/s |
Connectivity(1) | ||
USB Ports | 4 | 2 |
Power(2) | ||
Power Consumption (Idle) (W) | 0.83 W | 6.10 W |
Power Consumption (Active) (W) | 18.2 W | 28.25 W |
Build & Design(2) | ||
Weight (kg) | 1.35 kg | 2.18 kg |
Dimensions (H×W×D) (cm) | 30.7×4.8×19.3 cm cm | 19.89 x 16.61 x 22.30 cm cm |
Products in the top-left offer the best value (high score, low price).
Professional reviewers commend the FS6706T for its blistering all-flash performance that pushes the limits of 2.5 GbE, its silent operation, and robust 4K transcoding for Plex streaming, while noting the base 4 GB RAM and lack of HDD support as trade-offs.
Home users and small-business owners praise the fast SSD speeds, quiet operation and low energy use, but note occasional concerns about limited memory and the inability to add traditional hard drives.
Professional reviewers and editors consistently praise the DS425+ for its solid performance, fast 2.5 GbE networking, and the polished DSM software that makes setup and management straightforward.
Everyday users generally commend the DS425+ for its solid performance, fast 2.5 GbE networking, and energy-efficient operation.
