Intel Xeon D-1541
8-core 2.1 (base) / 2.7 (turbo) GHz
Hardware Encryption Engine (AES-NI)
16 GB DDR4 ECC UDIMM
Memory Module Pre-installed
16 GB (16 GB x 1)
Total Memory Slots
Maximum Memory Capacity
64 GB (16 GB x 4)
Maximum Drive Bays with Expansion Unit
40 (RX1217/RX1217RP x 2)
Compatible Drive Type
3.5" SATA HDD
2.5" SATA SSD
Maximum Single Volume Size
200 TB (32 GB RAM required, for RAID 5 or RAID 6 groups only)
Hot Swappable Drive
- Storage Pool and volume creation require all drives to be listed as compatible on the device models compatibility list.
- "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 108 TB (with memory less than 32 GB) or 200 TB (with memory equal to or greater than 32 GB).
RJ-45 1GbE LAN Port
4 (with Link Aggregation / Failover support)
RJ-45 10GbE LAN Port
2 (with Link Aggregation / Failover support)
USB 3.2 Gen 1 Port
The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.
2 x Gen3 x8 slots (x8 link)
exFAT Access is purchased separately in Package Center.
Form Factor (RU)
Rack Installation Support
4-post 19" rack (Synology Rail Kit - RKS1317)
The rail kit is sold separately
80 mm x 80 mm x 3 pcs
Fan Speed Mode
Easy Replacement System Fan
Scheduled Power On / Off
Wake on LAN / WAN
Power Supply Unit / Adapter
Redundant Power Supply
AC Input Power Voltage
100 V to 240 V AC
50/60 Hz, Single Phase
145.79 W (Access)
62.68 W (HDD Hibernation)
British Thermal Unit
497.14 BTU/hr (Access)
213.74 BTU/hr (HDD Hibernation)
- Power consumption is measured when it is fully loaded with Synology 8TB HAT5300-8T 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: 24.25-25.75oC, Humidity: 58.2-61.8%
0oC to 35oC (32oF to 95oF)
-20oC to 60oC (-5oF to 140oF)
5% to 95% RH
Main Unit X 1
Accessory Pack X 1
AC Power Cord X 2
Quick Installation Guide X 1
DDR4 ECC UDIMM: D4EC-2666-16G
Expansion Units: RX1217/RX1217RP
3.5" SATA HDD: HAT5300
2.5" SATA SSD: SAT5200
M.2 SSD and 10GbE Combo Adapter Card: E10M20-T1
M.2 SSD Adapter Card: M2D20
10GbE Network Interface Card: E10G18-T2/E10G18-T1/E10G17-F2
Rail Kit Sliding: RKS1317
Surveillance Device License Pack
All memory modules will operate at the maximum frequency specified by the CPU manufacturer.
Free standard domestic shipping.
Free 2-Day domestic shipping on orders over $200.
Free return shipping within the US. Find out more.