CPU Model : Intel Xeon D-1521 

CPU Quantity (per controller) : 1 

CPU Architecture : 64-bit 

CPU Frequency : Quad Core 2.4 (base) / 2.7 (turbo) GHz 

Hardware Encryption Engine (AES-NI) : Yes

System Memory (per controller) : 8 GB DDR4 ECC UDIMM 

Pre-installed Memory Module (per controller) : 8 GB (8 GB x 1) 

Total Memory Slots (per controller) : 4 

Expandable Memory (per controller): 64 GB (16 GB x 4) 

Drive Bays : 12 

Maximum Drive Bays with Expansion Unit : 36 (RXD1219sas) 

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

RJ-45 1GbE LAN Port (per controller) : 2 (with Link Aggregation / Failover support) 

RJ-45 10GbE LAN Port (per controller) : 1 

Expansion Port : 1 

PCIe Expansion (per controller) : 1 x Gen3 x8 slot (x8 link) 

Add-In-Card Support : PCIe Network Interface Card (Learn more) 

Internal Drives :

Btrfs

EXT4

Form Factor (RU) : 2U 

Size (Height x Width x Depth) : 88 mm x 430.5 mm x 692 mm 

Size (Height x Width x Depth) (with server ears) : 88 mm x 482 mm x 724 mm 

Weight : 19.7 kg 

Rack Installation Support* : 4-post 19" rack (Synology Rail Kit - RKS1317) 

System Fan : 60 mm x 60 mm x 2 pcs 

Fan Speed Mode :

Full-Speed Mode

Cool Mode

Quiet Mode

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) 

1425.45 BTU/hr (Access) 

936.85 BTU/hr (HDD Hibernation) 

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