
Synology DS925+
Score: 85/100
Terramaster T9-500 Pro
Score: 87/100Rankings

A 9-bay desktop NAS powered by an Intel i7-1255U, dual 10 GbE, and up to 216 TB raw capacity, targeting creative professionals and SMBs needing high throughput and flexible RAID.

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 | ![]() | ![]() |
|---|---|---|
200 TB | 216 TBbest | |
4 | 9best | |
2.5 Gbps | 10 Gbpsbest | |
4 | 10best | |
4 GB | 16 GBbest | |
| ↓ lower better | 37.91 Wbest | — |
| ↓ lower better | 20.5 dBbest | — |
3 yearsbest | 2 years |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Security(1) | ||
OS Compatibility | DSM 7.2 | TOS 6 |
Performance(4) | ||
CPU Model | AMD Ryzen V1500B | Intel i7-1255U |
CPU Cores | 4 | 10 |
System Memory (GB) | 4 GB | 16 GB |
Ethernet Speed (Gbps) | 2.5 Gbps | 10 Gbps |
Build & Design(1) | ||
Warranty Period (years) | 3 years | 2 years |
Connectivity(1) | ||
USB Ports | 3 | 4 |
Storage & Capacity(4) | ||
Maximum Raw Capacity (TB) | 200 TB | 216 TB |
Drive Bays | 4 | 9 |
RAID Support | Synology Hybrid RAID,Basic,JBOD,RAID 0,RAID 1,RAID 5,RAID 6,RAID 10 | RAID 0, 1, 5, 6, 10, TRAID, TRAID+ |
Supported Drive Types | 3.5" SATA HDD,2.5" SATA SSD,M.2 2280 NVMe SSD | SATA |


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

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.

Professional reviewers commend the T9-500 Pro for its high-end Intel i7 processor, dual 10 GbE ports, and metal chassis, noting enterprise-level performance, while pointing out the diskless nature and less mature TOS 6 UI.
Everyday users rave about blazing transfer speeds over 10 GbE and easy RAID configuration, but note fan noise, a learning curve with TOS, and the need to buy drives separately.