
Synology DS425+
Score: 65/100Synology DS225+
Score: 69/100Rankings
The DS225+ is a compact 2-bay NAS that adds 2.5 GbE networking and expandable memory, delivering fast transfers, quiet operation, and a feature-rich DSM platform for home and small-office use.

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 | ![]() | Synology DS225+ |
|---|---|---|
80 TBbest | 40 TB | |
4best | 2 | |
2.5 Gbpsbest | 2.5 Gbpsbest | |
4best | 4best | |
2 GBbest | 2 GBbest | |
| ↓ lower better | 28.25 W | 16.98 Wbest |
| ↓ lower better | 21.6 dB | 19.6 dBbest |
3 yearsbest | 3 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | Synology DS225+ |
|---|---|---|
Security(1) | ||
OS Compatibility | DSM 7.2+ | DSM |
Performance(2) | ||
Power Consumption (Active) (W) | 28.25 W | 16.98 W |
Noise Level (dB) | 21.6 dB | 19.6 dB |
Build & Design(2) | ||
Weight (kg) | 2.18 kg | 1.3 kg |
Power Supply Type | External 90W AC adapter | Internal 60W |
Storage & Capacity(4) | ||
Maximum Raw Capacity (TB) | 80 TB | 40 TB |
Drive Bays | 4 | 2 |
RAID Support | SHR, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 | SHR, RAID 0, RAID 1, Basic, JBOD |
Supported Drive Types | 3.5"/2.5" SATA | 3.5" SATA HDD, 2.5" SATA SSD |

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

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.
Professional reviewers praise the upgraded 2.5 GbE port, quiet build, and Btrfs snapshots, while noting the lack of M.2 slots, 10 GbE, and limited RAM as drawbacks.
Everyday users consistently commend the fast 2.5 GbE networking, low noise level, and ease of setup with DSM, while echoing the desire for M.2 SSD caching and higher RAM capacity.
“"library-quiet"”

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

“"Silent operation, ideal for home offices"”

