Description
Specifications
| CPU | |
| CPU Model | Intel Celeron J4125 |
| CPU Quantity | 1 |
| CPU Cores | 4 |
| CPU Threads | 4 |
| CPU Architecture | 64-bit |
| CPU Frequency | 2.0 (base) / 2.7 (turbo) GHz |
| Hardware Encryption Engine | ✓ |
| Memory | |
| System Memory | 2 GB DDR4 non-ECC |
| Total Memory Slots | 1 |
| Maximum Memory Capacity | 6 GB (2 GB + 4 GB) |
| Notes | Synology may revise pre-installed memory module specifications in response to component lifecycle and supply conditions. All revised components undergo the same rigorous validation to ensure equivalent compatibility, stability, and performance.Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion. |
| Storage | |
| Drive Bays | 4 |
| M.2 Drive Slots | 2 (NVMe) |
| Drive Type (See all supported drives) | 3.5″ SATA HDD 2.5″ SATA SSD M.2 2280 NVMe SSD |
| Hot Swappable Drive* | ✓ |
| Notes | The hot swappable drive feature is not supported by M.2 SSD slots.Synology only guarantees full functionality, reliability, and performance for compatible drives. Please consult our compatibility list before purchasing hard drives. For more details, please refer to this article. |
| External Ports | |
| RJ-45 1GbE LAN Port | 1 |
| RJ-45 2.5GbE LAN Port | 1 |
| USB 3.2 Gen 1 Port | 2 |
| Notes | MTU value of 1GbE LAN port has a limit of 1500. |
| Appearance | |
| Size (Height x Width x Depth) | 166 mm × 199 mm × 223 mm |
| Weight | 2.18 kg |
| Others | |
| System Fan | 92 mm × 92 mm × 2 pcs |
| Fan Speed Mode | Full-Speed ModeCool ModeQuiet Mode |
| Brightness Adjustable Front LED Indicators | ✓ |
| Power Recovery | ✓ |
| Noise Level* | 21.6 dB(A) |
| Scheduled Power On / Off | ✓ |
| Wake on LAN / WAN | ✓ |
| Power Supply Unit / Adapter | 90 watts |
| AC Input Power Voltage | 100V to 240V AC |
| Power Frequency | 50/60 Hz, Single Phase |
| Power Consumption | 28.25 watts (Access) 6.10 watts (HDD Hibernation) |
| British Thermal Unit | 96.33 BTU/hr (Access) 20.79 BTU/hr (HDD Hibernation) |
| Notes | For more information on how power consumption is measured, refer to this article.Noise testing was conducted with the Synology system fully installed with Synology SATA SSDs and in an idle state. Two G.R.A.S. type 40AE microphones were placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%. |
| Temperature | |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Storage Temperature | -20°C to 60°C (-5°F to 140°F) |
| Operating Humidity | 8% to 80% RH |
| Storage Humidity | 5% to 95% RH |
| Warranty | 3-year hardware warranty, extendable to 5 years with Extended Warranty Plus |
| Notes | The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)Extended Warranty Plus is only available in Europe and North America. Refer to the Extended Warranty Plus website for details on supported countries/regions. (Learn more) |
| Environment | RoHS Compliant |
| Packaging Content | Main Unit X 1 Accessory Pack X 1 AC Power Adapter X 1 AC Power Cord X 1 RJ-45 LAN Cable X 2 |
| Optional Accessories | DDR4 non-ECC SODIMM: D4NS01-4G Enterprise Series 3.5″ SATA HDD: HAT5300 Series Plus Series 3.5″ SATA HDD: HAT3300 Series Enterprise Series 2.5″ SATA SSD: SAT5200 Series Enterprise Series M.2 2280 NVMe SSD: SNV3400 & SNV5400 Series |
Notes:
- Model specifications are subject to change without prior notice.
- The figures are based on Synology internal testing. Each performance test is done individually. No other services or applications are processed at the same time.
- The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations.
- If usage requirements exceed the specifications above, please contact our regional partners for professional advice.


















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