Controller | Number of Controller Module | 2 |
CPU | CPU Model | Intel Xeon D-1521 |
| CPU Quantity | 1 (per controller) |
| CPU Architecture | 64-bit |
| CPU Frequency | 4-core 2.4 (base) / 2.7 (turbo) GHz |
| Hardware Encryption Engine (AES-NI) | Yes |
Memory | System Memory | 8 GB DDR4 ECC UDIMM (per controller) |
| Memory Module Pre-installed | 8 GB (8 GB x 1) (per controller) |
| Total Memory Slots | 4 (per controller) |
| Memory Expandable up to | 64 GB (16 GB x 4) (per controller) |
| 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. |
For more information on the recommended memory configurations, visit here. |
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 | 12 |
| Maximum Drive Bays with Expansion Unit | 36 (RXD1219sas x 2) |
| Compatible Drive Type* (See all supported drives) | 3.5" SAS HDD |
2.5" SAS HDD |
2.5" SAS SSD |
| Maximum Internal Raw Capacity | 192 TB (16 TB drive x 12) (Capacity may vary by RAID types) |
| Maximum Raw Capacity with Expansion Units | 576 TB (192 TB + 16 TB drive x 24) (Capacity may vary by RAID types) |
| Maximum Single Volume Size* | 200 TB (32 GB RAM required, for RAID 5 or RAID 6 groups only) |
108 TB |
| Hot Swappable Drive | Yes |
| 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 expandble up to 108TB (with memory less than 32GB) or 200TB (with memory equal to or greater than 32GB). |
External Ports | RJ-45 1GbE LAN Port | 2 (with Link Aggregation / Failover support) (per controller) |
| RJ-45 10GbE LAN Port | 1 (per controller) |
| Expansion Port | 1 |
PCIe | PCIe Expansion | 1 x Gen3 x8 slot (x8 link) (per controller) |
| Add-In-Card Support | PCIe Network Interface Card (Learn more) |
File System | Internal Drives | Btrfs |
EXT4 |
Appearance | Form Factor (RU) | 2U |
| Size (Height x Width x Depth) | 88 mm x 482 mm x 724 mm |
| Weight | 19.7 kg |
| Rack Installation Support* | 4-post 19" rack (Synology Rail Kit - RKS1317) |
| Notes | The rail kit is sold separately |
Others | System Fan | 60 mm x 60 mm x 2 pcs |
| Fan Speed Mode | Full-Speed Mode |
Cool Mode |
Quiet Mode |
| Easy Replacement System Fan | Yes |
| Power Recovery | Yes |
| Noise Level* | 51.3 dB(A) |
| Power Supply Unit / Adapter | 500 W |
| Redundant Power Supply | Yes |
| AC Input Power Voltage | 100 V to 240 V AC |
| Power Frequency | 50/60 Hz, Single Phase |
| Power Consumption* | 417.48 W (Access) |
274.38 W (HDD Hibernation) |
| British Thermal Unit | 1425.45 BTU/hr (Access) |
936.85 BTU/hr (HDD Hibernation) |
| Notes | Noise Level Testing Environment: Fully loaded with Seagate ST8000NM0075 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology server at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%. |
Power consumption is measured when it is fully loaded with Seagate ST3600057SS hard drive(s). |
Temperature | Operating Temperature | 0°C to 35°C (32°F to 95°F) |
| Storage Temperature | -20°C to 60°C (-5°F to 140°F) |
| Relative Humidity | 5% to 95% RH |
Certification | EAC |
VCCI |
CCC |
RCM |
FCC |
CE |
BSMI |
Warranty | 5 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 Cord X 2 |
Quick Installation Guide X 1 |
Warranty | 5 Years | |