
Asustor Flashstor 6 FS6706T
Score: 83/100
Synology DS925+
Score: 88/100Rankings

The Synology DiskStation DS925+ is a high-performance 4-bay NAS powered by an AMD Ryzen V1500B CPU, dual 2.5 GbE networking, and ECC memory with M.2 NVMe caching. It lacks native 10 GbE and requires a separate expansion unit for additional bays. Targeted at small businesses and prosumers needing scalable, reliable storage.

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.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 200 TBbest | |
6best | 4 | |
4best | 4best | |
2 GHz | 2.2 GHzbest | |
4 GBbest | 4 GBbest | |
590 MB/sbest | 522 MB/s | |
583 MB/sbest | 565 MB/s | |
4best | 3 |
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 | AMD Ryzen V1500B |
CPU Clock Speed (GHz) | 2.0 GHz | 2.2 GHz |
Sequential Read Speed (MB/s) | 590 MB/s | 522 MB/s |
Sequential Write Speed (MB/s) | 583 MB/s | 565 MB/s |
Connectivity(1) | ||
USB Ports | 4 | 3 |
Power(2) | ||
Power Consumption (Idle) (W) | 0.83 W | 35 W |
Power Consumption (Active) (W) | 18.2 W | 50 W |
Build & Design(2) | ||
Weight (kg) | 1.35 kg | 2.26 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 consider the DS925+ a solid, future-proof 4-bay NAS for small businesses, emphasizing its ECC memory, strong Ryzen CPU, and fast 2.5 GbE networking.
Everyday users generally commend the DS925+ for its quiet operation, low power consumption, and flexible expandability, especially the option to add NVMe caching.