Synology DiskStation DS425+ specifications
Synology DiskStation DS425+ (nas) full specifications from the official Synology spec page: Drive bays 4 x 3.5" SATA HDD or 2.5" SATA SSD; Processor Intel Celeron J4125; Memory 2 GB DDR4 non-ECC (1 slot).
| Drive bays | 4 x 3.5" SATA HDD or 2.5" SATA SSD |
|---|---|
| Processor | Intel Celeron J4125, 4 cores |
| Memory | 2 GB DDR4 non-ECC (1 slot) |
| Maximum memory | 6 GB (2 GB + 4 GB) |
| Maximum capacity | 2 x M.2 2280 NVMe SSD (not hot-swappable) |
| Ports / interfaces | 1 x RJ-45 1GbE LAN, 1 x RJ-45 2.5GbE LAN, 2 x USB 3.2 Gen 1 |
| Power | 90 W adapter, 100V to 240V AC; 28.25 W (access) |
| Dimensions | 166 mm x 199 mm x 223 mm |
| Weight | 2.18 kg |
Every value above was checked against Synology’s official spec page or datasheet on 28 Oct 2026. Specs the page does not state are left out rather than guessed. Variants, memory options and features can differ by region and change after launch, so confirm on the official page before you buy. Spotted a difference? Report a correction.