
Asustor AS6508T
Score: 86/100
Synology DS925+
Score: 85/100Rankings

The Asustor AS6508T is an enterprise-grade 8-bay NAS featuring dual 10 GbE, optional NVMe caching and extensive RAID support, targeting SMBs and power users.

The DS925+ is a powerful 4-bay NAS aimed at prosumers and small businesses, offering an AMD Ryzen CPU, dual 2.5 GbE networking, SSD caching and extensive DSM features, though it lacks native 10 GbE and enforces a Synology-only drive policy.
| Attribute | ![]() | ![]() |
|---|---|---|
128 TB | 200 TBbest | |
8best | 4 | |
10 Gbpsbest | 2.5 Gbps | |
4best | 4best | |
8 GBbest | 4 GB | |
| ↓ lower better | 66.9 W | 37.91 Wbest |
| ↓ lower better | 22 dB | 20.5 dBbest |
2 years | 3 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Security(1) | ||
OS Compatibility | ADM | DSM 7.2 |
Performance(5) | ||
CPU Model | Intel Atom C3538 | AMD Ryzen V1500B |
System Memory (GB) | 8 GB | 4 GB |
Ethernet Speed (Gbps) | 10 Gbps | 2.5 Gbps |
Power Consumption (Active) (W) | 66.9 W | 37.91 W |
Noise Level (dB) | 22 dB | 20.5 dB |
Build & Design(3) | ||
Weight (kg) | 6.2 kg | 2.26 kg |
Power Supply Type | Internal 250W | 100-120W adaptive |
Warranty Period (years) | 2 years | 3 years |
Connectivity(1) | ||
USB Ports | 2 | 3 |
Storage & Capacity(4) | ||
Maximum Raw Capacity (TB) | 128 TB | 200 TB |
Drive Bays | 8 | 4 |
RAID Support | RAID 0,1,5,6,10, JBOD, Single, hot spare, online capacity expansion | Synology Hybrid RAID,Basic,JBOD,RAID 0,RAID 1,RAID 5,RAID 6,RAID 10 |
Supported Drive Types | SATA III | 3.5" SATA HDD,2.5" SATA SSD,M.2 2280 NVMe SSD |


Products in the top-left offer the best value (high score, low price).

Reviewers praise its forward-looking networking, solid internal design and quiet operation, while noting UI sluggishness and lack of HDMI.
Users love the 10 GbE speed and NVMe caching but complain about the slow web UI and screw-mounted trays.

Professional reviewers praise the DS925+ for its powerful AMD Ryzen processor, dual 2.5 GbE networking, and flexible SSD caching, noting enterprise-grade performance in a compact form factor, while criticizing the loss of 10 GbE and strict drive ecosystem.
Everyday users appreciate fast file transfers, quiet operation, and the ease of DSM, but some are disappointed by the locked-down drive ecosystem and lack of 10 GbE for future-proofing.
“"Dual native 10 GbE and 2.5 GbE ports for high-bandwidth connectivity"”

“"Web UI can be sluggish, especially during initial configuration"”

“"Quiet operation at 22 dBA with smart fan control"”

