Controller | Number of Controller Module | 2 |
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CPU | CPU Model | Intel Xeon D-1521 |
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| CPU Quantity | 1 (per controller) |
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| CPU Architecture | 64-bit |
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| CPU Frequency | 4-core 2.4 (base) / 2.7 (turbo) GHz |
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| Hardware Encryption Engine (AES-NI) | |
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Memory | System Memory | 8 GB DDR4 ECC UDIMM (per controller) |
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| Memory Module Pre-installed | 8 GB (8 GB x 1) (per controller) |
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| Total Memory Slots | 4 (per controller) |
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| Maximum Memory Capacity | 64 GB (16 GB x 4) (per controller) |
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| Notes | - 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.
- 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.
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Storage | Drive Bays | 12 |
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| Maximum Drive Bays with Expansion Unit | 36 (RXD1219sas x 2) |
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| Compatible Drive Type* (See all supported drives) | - 2.5” dual-port SAS SSD
- 2.5” dual-port SAS HDD
- 3.5” dual-port SAS HDD
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| Maximum Single Volume Size* | 108 TB |
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| Hot Swappable Drive* | |
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| Notes | - Synology only guarantees full functionality, reliability, and performance for Synology drives listed on the compatibility list. The use of non-validated components may limit certain functionality and result in data loss and system instability.
- "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.
- Each internal volume (may consist of multiple drives) is expandable up to 108TB.
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External Ports | RJ-45 1GbE LAN Port | 2 (with Link Aggregation / Failover support) (per controller) |
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| RJ-45 10GbE LAN Port | 1 (per controller) |
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PCIe | PCIe Expansion | 1 x Gen3 x8 slot (x8 link) (per controller) |
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| Add-In-Card Support | |
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File System | Internal Drives | Btrfs |
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Appearance | Size (Height x Width x Depth) | 88 mm x 430.5 mm x 692 mm |
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| Size (Height x Width x Depth) (with server ears) | 88 mm x 482 mm x 724 mm |
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| Weight | 19.7 kg |
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| Rack Installation Support* | 4-post 19" rack (Synology Rail Kit - RKS-02) |
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| Notes | The rail kit is sold separately |
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Others | System Fan | 60 mm x 60 mm x 2 (per controller) |
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| Fan Speed Mode | - Full-Speed Mode
- Cool Mode
- Quiet Mode
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| Easy Replacement System Fan | |
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| Power Recovery | |
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| Noise Level* | 51.3 dB(A) |
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| Power Supply Unit / Adapter | 500W |
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| Redundant Power Supply | |
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| AC Input Power Voltage | 100 V to 240 V AC |
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| Power Frequency | 50/60Hz, Single Phase |
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| Power Consumption | 417.48 W (Access)
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| British Thermal Unit | 1425.45 BTU/hr (Access)
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| Notes | - Power consumption is measured when it is fully loaded with Seagate ST3600057SS hard drive(s).
- 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%.
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Temperature | Operating Temperature | 0°C to 35°C (32°F to 95°F) |
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| Storage Temperature | -20°C to 60°C (-5°F to 140°F) |
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| Relative Humidity | 5% to 95% RH |
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Certification | - CE
- FCC
- BSMI
- VCCI
- RCM
- UKCA
- KC
- EAC
- CCC
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Warranty | 5 Years |
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| Notes | The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) |
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Environment | RoHS Compliant |
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Packaging Content | - Main Unit X 1
- Accessory Pack X 1
- AC Power Cord X 2
- Quick Installation Guide X 1
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Optional Accessories | |
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| Notes | All memory modules will operate at the maximum frequency specified by the CPU manufacturer. |
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