CPU | CPU Model | Intel Celeron J4125 |
| CPU Architecture | 64-bit |
| CPU Frequency | 4-core 2.0 (base) / 2.7 (burst) GHz |
| Hardware Encryption Engine (AES-NI) |
|
Memory | System Memory | 4 GB DDR4 non-ECC |
| Total Memory Slots | 1 |
| Memory Expandable up to | 8 GB (4 GB + 4 GB) |
| Notes | 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. |
Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. |
Storage | Drive Bays | 4 |
| Maximum Drive Bays with Expansion Unit | 9 (DX517 x 1) |
| M.2 Drive Slots | 2 (NVMe) |
| Compatible Drive Type* (See all supported drives) | 3.5" SATA HDD |
2.5" SATA HDD |
2.5" SATA SSD |
M.2 2280 NVMe SSD |
| Maximum Internal Raw Capacity | 64 TB (16 TB drive x 4) (Capacity may vary by RAID types) |
| Maximum Raw Capacity with Expansion Units | 144 TB (64 TB + 16 TB drive x 5) (Capacity may vary by RAID types) |
| Maximum Single Volume Size* | 108 TB |
| 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. |
The maximum raw capacity is not limited by the maximum single volume size. Synology NAS models may utilize capacities over the maximum single volume size as long as each volume created is below the limit. (Learn more) |
Each internal volume (may consist of multiple drives) is expandable up to 108TB. |
External Ports | RJ-45 1GbE LAN Port | 2 (with Link Aggregation / Failover support) |
| USB 3.0 Port | 2 |
| eSATA Port | 1 |
File System | Internal Drives | Btrfs |
EXT4 |
| External Drives | Btrfs |
EXT4 |
EXT3 |
FAT |
NTFS |
HFS+ |
exFAT* |
| Notes | exFAT Access is purchased separately in Package Center. |
Appearance | Size (Height x Width x Depth) | 166 mm x 199 mm x 223 mm |
| Weight | 2.24 kg |
Others | System Fan | 92 mm x 92 mm x 2 pcs |
| Fan Speed Mode | Full-Speed Mode |
Cool Mode |
Quiet Mode |
| Brightness Adjustable Front LED Indicators |
|
| Power Recovery |
|
| Noise Level* | 19.8 dB(A) |
| Scheduled Power On / Off |
|
| Wake on LAN / WAN |
|
| Power Supply Unit / Adapter | 100 W |
| AC Input Power Voltage | 100 V to 240 V AC |
| Power Frequency | 50/60 Hz, Single Phase |
| Power Consumption* | 32.17 W (Access) |
9.69 W (HDD Hibernation) |
| British Thermal Unit | 109.84 BTU/hr (Access) |
33.09 BTU/hr (HDD Hibernation) |
| Notes | Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s). |
Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. 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) |
| Relative Humidity | 5% to 95% RH |
Certification | EAC |
VCCI |
CCC |
RCM |
KC |
FCC |
CE |
BSMI |
Warranty | 3 Years |
| Notes | The warranty period starts from the purchase date as stated on your purchase receipt. (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 |
Quick Installation Guide X 1 |
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