Synology DiskStation DS425+ 4-Drive Bays NAS Server
Compact 4-bay Up to 80 TB of raw storage
Speedy storage Built-in 2.5GbE port and over 278/281 MB/s sequential read/write
Versatile applications Back up multiple endpoints, manage 40 IP cameras, or safely sync and share files across sites
| CPU | |
|---|---|
| CPU Model | Intel Celeron J4125 |
| CPU Quantity | 1 |
| CPU Core | 4 |
| CPU Architecture | 64-bit |
| CPU Frequency | 2.0 GHz (base) / 2.7 GHz (turbo) |
| Hardware Encryption | Yes |
| Memory | |
| System Memory | 2 GB DDR4 non-ECC |
| Memory Slots | 1 |
| Max Memory Capacity | 6 GB (2 GB + 4 GB) |
| Notes | Synology recommends using Synology memory for compatibility and warranty coverage |
| Storage | |
| Drive Bays | 4 |
| M.2 Drive Slots | 2 (NVMe) |
| Supported Drives | 3.5" SATA HDD, 2.5" SATA SSD, M.2 2280 NVMe SSD |
| Hot Swappable | Yes (Not supported for M.2 SSD slots) |
| Notes | Consult Synology compatibility list before purchasing drives |
| External Ports | |
| RJ-45 1GbE LAN | 1 port |
| RJ-45 2.5GbE LAN | 1 port |
| USB 3.2 Gen 1 | 2 ports |
| Notes | 1GbE ports have MTU up to 1,500 bytes |
| Appearance | |
| Dimensions (H × W × D) | 166 mm × 199 mm × 223 mm |
| Weight | 2.18 kg |
| Cooling | |
| System Fans | 2 × 92 mm |
| Fan Modes | Full-Speed, Cool, Quiet |
| LED Indicators | Brightness adjustable |
| Power & Noise | |
| Power Recovery | Yes |
| Scheduled Power On/Off | Yes |
| Wake on LAN/WAN | Yes |
| Power Supply | 90 W Adapter |
| AC Input Voltage | 100–240 V AC |
| Frequency | 50/60 Hz, Single Phase |
| Power Consumption | 28.25 W (Access), 6.10 W (HDD Hibernation) |
| BTU | 96.33 BTU/hr (Access), 20.79 BTU/hr (HDD Hibernation) |
| Noise Level | 21.6 dB(A) |
| Temperature & Humidity | |
| Operating Temp. | 0 °C to 40 °C (32 °F to 104 °F) |
| Storage Temp. | −20 °C to 60 °C (−5 °F to 140 °F) |
| Relative Humidity | 5% to 95% RH |
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