
Synology DS925+
Score: 85/100
Synology DS425+
Score: 65/100Rankings

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 DS425+ is a 4-bay NAS with 2.5 GbE networking and dual M.2 slots, offering quiet operation and DSM 7.2+ features, aimed at home offices and small businesses.
| Attribute | ![]() | ![]() |
|---|---|---|
200 TBbest | 80 TB | |
4best | 4best | |
2.5 Gbpsbest | 2.5 Gbpsbest | |
4best | 4best | |
4 GBbest | 2 GB | |
| ↓ lower better | 37.91 W | 28.25 Wbest |
| ↓ lower better | 20.5 dBbest | 21.6 dB |
3 yearsbest | 3 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Security(1) | ||
OS Compatibility | DSM 7.2 | DSM 7.2+ |
Performance(4) | ||
CPU Model | AMD Ryzen V1500B | Intel Celeron J4125 |
System Memory (GB) | 4 GB | 2 GB |
Power Consumption (Active) (W) | 37.91 W | 28.25 W |
Noise Level (dB) | 20.5 dB | 21.6 dB |
Build & Design(2) | ||
Weight (kg) | 2.26 kg | 2.18 kg |
Power Supply Type | 100-120W adaptive | External 90W AC adapter |
Connectivity(1) | ||
USB Ports | 3 | 2 |
Storage & Capacity(3) | ||
Maximum Raw Capacity (TB) | 200 TB | 80 TB |
RAID Support | Synology Hybrid RAID,Basic,JBOD,RAID 0,RAID 1,RAID 5,RAID 6,RAID 10 | SHR, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 |
Supported Drive Types | 3.5" SATA HDD,2.5" SATA SSD,M.2 2280 NVMe SSD | 3.5"/2.5" 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 consider the DS425+ an evolutionary update that modernizes networking with 2.5 GbE and adds dual M.2 slots, but they caution that the aging J4125 processor and limited memory cap its performance for demanding virtualization or transcoding tasks.
Everyday users appreciate the silent, "library-quiet" operation and the speed boost from 2.5 GbE, finding the setup straightforward and the DSM interface user-friendly, while noting the lack of 10 GbE and occasional instability with the USB-C expansion.
“"library-quiet"”

“"2.5GbE support is a game-changer for local backups and media streaming"”

“"Silent operation, ideal for home offices"”

