| CPU | CPU Model | Intel Celeron J3355 |
| CPU Quantity | 1 | |
| CPU Architecture | 64-bit | |
| CPU Frequency | 2-core 2.0 (base) / 2.5 (burst) GHz | |
| Hardware Encryption Engine (AES-NI) | ✔ | |
| Hardware Transcoding Engine | H.264 (AVC), H.265 (HEVC), MPEG-2 and VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 30 | |
| Memory | System Memory | 2 GB DDR3L non-ECC SODIMM |
| Memory Module Pre-installed | 2 GB (2 GB x 1) | |
| Total Memory Slots | 2 | |
| Maximum Memory Capacity | 6 GB (2 GB + 4 GB) | |
| Notes |
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| Storage | Drive Bays | 6 |
| Compatible Drive Type |
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| Hot Swappable Drive | ✔ | |
| Notes | "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay. | |
| External Ports | RJ-45 1GbE LAN Port | 2 (with Link Aggregation / Failover support) |
| USB 3.2 Gen 1 Port* | 2 | |
| Notes | The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019. | |
| File System | Internal Drives |
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| External Drives |
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| Notes | exFAT Access can be installed for free from Package Center in DSM 7.0. In DSM 6.2 or earlier versions, exFAT Access needs to be purchased in Package Center. | |
| Appearance | Size (Height x Width x Depth) | 121 mm x 151 mm x 175 mm |
| Weight | 1.4 kg | |
| Others | System Fan | 80 mm x 80 mm x 1 pcs |
| Fan Speed Mode |
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| Easy Replacement System Fan | ✔ | |
| Brightness Adjustable Front LED Indicators | ✔ | |
| Power Recovery | ✔ | |
| Noise Level* | 20.5 dB(A) | |
| Scheduled Power On / Off | ✔ | |
| Wake on LAN / WAN | ✔ | |
| Power Supply Unit / Adapter | 65 W | |
| AC Input Power Voltage | 100V to 240V AC | |
| Power Frequency | 50/60 Hz, Single Phase | |
| Power Consumption* |
34.88 W (Access) 7.59 W (HDD Hibernation) |
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| British Thermal Unit |
119.1 BTU/hr (Access) 25.92 BTU/hr (HDD Hibernation) |
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| Notes |
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| Temperature | Operating Temperature | 5°C to 40°C (40°F to 104°F) |
| Storage Temperature | -20°C to 60°C (-5°F to 140°F) | |
| Relative Humidity | 5% to 95% RH | |
| Certification |
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| Warranty | 2-year hardware warranty, extendable to 4 years with Extended Warranty Plus | |
| Notes |
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| Environment | RoHS Compliant | |
| Packaging Content |
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| Optional Accessories |
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