
Synology DS925+
Score: 85/100
Buffalo TS3430D1604S
Score: 73/100Rankings

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.

The TeraStation Essentials 2025 is a 4-bay NAS with pre-installed HDDs, 2.5 GbE networking and strong security features, aimed at small-office environments that value data protection and remote management. It offers solid reliability but lacks advanced features like snapshots and high-speed networking.
| Attribute | ![]() | ![]() |
|---|---|---|
200 TBbest | 16 TB | |
4best | 4best | |
2.5 Gbpsbest | 2.5 Gbpsbest | |
4best | 4best | |
4 GBbest | 2 GB | |
| ↓ lower better | 37.91 Wbest | 85 W |
| ↓ lower better | 20.5 dBbest | — |
3 yearsbest | 3 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(3) | ||
CPU Model | AMD Ryzen V1500B | Annapurna Labs Alpine AL-214 |
System Memory (GB) | 4 GB | 2 GB |
Power Consumption (Active) (W) | 37.91 W | 85 W |
Build & Design(1) | ||
Weight (kg) | 2.26 kg | 7.08 kg |
Connectivity(2) | ||
Link Aggregation Support | true | false |
USB Ports | 3 | 2 |
Storage & Capacity(3) | ||
Maximum Raw Capacity (TB) | 200 TB | 16 TB |
RAID Support | Synology Hybrid RAID,Basic,JBOD,RAID 0,RAID 1,RAID 5,RAID 6,RAID 10 | RAID 0, 1, 5, 6, 10, JBOD |
Supported Drive Types | 3.5" SATA HDD,2.5" SATA SSD,M.2 2280 NVMe SSD | HDD (CMR) |


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 praise the TeraStation Essentials for its security-first architecture, reliable Japanese build quality, and responsive 24/7 US support, positioning it as a solid, low-maintenance NAS for SMBs that value data protection over advanced feature sets.
Everyday users highlight the device's ease of setup, robust encryption, and dependable remote management, while noting the lack of a mobile app and slower RAID rebuilds as drawbacks.
“Extremely easy to use”

“These TeraStations are their newest products & I liked getting to buy this newer generation specifically as it's more user friendly than our older 5000 series.”

