DISKLESS
Controller
Number of Controller Module
2 CPU
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 Memory
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)
Notes
Synology reserves the right to replace memory modules with the same or higher frequency based on suppliers 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. Storage
Drive Bays
12
Maximum Drive Bays with Expansion Unit
36 (RXD1219sas)
Compatible Drive Type
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 (16 TB drive x 36) (Capacity may vary by RAID types)
Maximum Single Volume Size
108 TB
Hot Swappable Drive
Yes
Notes
"Compatible drive type" indicates the 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. External Ports
RJ-45 1GbE LAN Port (per controller)
2 (with Link Aggregation / Failover support)
RJ-45 10GbE LAN Port (per controller)
1 PCIe
PCIe Expansion (per controller)
1 x Gen3 x8 slot (x8 link)
Add-In-Card Support
PCIe Network Interface Card File System
Internal Drives
Btrfs Appearance
Rack Installation Support
4-post 19" rack (Synology Rail Kit - RKS1317)
Notes
The rail kit is sold separately Others
System Fan (per controller)
60 mm x 60 mm x 2
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
500W
Redundant Power Supply
Yes
AC Input Power Voltage
100 V to 240 V AC
Power Frequency
50/60Hz, 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
Power consumption is measured when its 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^oC Humidity: 58.2-61.8%. Temperature
Operating Temperature
0^oC to 35^oC (32^oF to 95^oF)
Storage Temperature
-20^oC to 60^oC (-5^oF to 140^oF)
Relative Humidity
5% to 95% RH Certification
EAC
VCCI
CCC
RCM
KC
FCC
CE
BSMI Environment
RoHS Compliant Packaging Content
Main Unit X 1
Accessory Pack X 1
AC Power Cord X 2
Quick Installation Guide X 1 Optional Accessories
D4EC-2666-8G DDR4 ECC UDIMM
D4EC-2400-16G DDR4 ECC UDIMM
Expansion Unit: RXD1219sas X 2
Synology Ethernet Adapter E10G17-F2
Synology Ethernet Adapter E10G18-T1
Synology Ethernet Adapter E10G18-T2
Synology Rail Kit Sliding - RKS1317
Notes
All memory modules will operate at the maximum frequency specified by the CPU manufacturer. Item Dimension (L"xW"xH")
33 x 24 x 10

Weight
57 lbs

Warranty Information
5 Years