MPN
RS1221+
CPU
CPU Model
AMD Ryzen V1500B
CPU Architecture
64-bit
CPU Frequency
4-core 2.2 GHz
Hardware Encryption Engine (AES-NI)
Yes
Memory
System Memory
4 GB DDR4 ECC SODIMM
Memory Module Pre-installed
4 GB (4 GB x 1)
Total Memory Slots
2
Maximum Memory Capacity
32 GB (16 GB x 2)
Storage
Drive Bays
8
Maximum Drive Bays with Expansion Unit
12 (RX418 x 1)
Compatible Drive Type
3.5" SATA HDD
2.5" SATA HDD
2.5" SATA SSD
Maximum Single Volume Size
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.
- Each internal volume (may consist of multiple drives) is expandable up to 108TB.
External Ports
RJ-45 1GbE LAN Port
4 (with Link Aggregation / Failover support)
USB 3.2 Gen 1 Port
2
eSATA Port
1
Notes
The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.
PCIe
PCIe Expansion
1 x Gen3 x8 slot (x4 link)
File System
Internal Drives
Btrfs
EXT4
External Drives
Btrfs
EXT4
EXT3
FAT
NTFS
HFS+
exFAT
Notes
exFAT Access is purchased separately in Package Center.
Appearance
Form Factor (RU)
2U
Rack Installation Support
RS1221+ :
2-post 19" rack (direct mounting)
4-post 19" rack (Synology Rail Kit - RKM114/RKS1317)
Notes
The rail kit is sold separately
Others
System Fan
80 mm x 80 mm x 2 pcs
Fan Speed Mode
Full-Speed Mode
Cool Mode
Quiet Mode
Power Recovery
Yes
Noise Level
RS1221+ :
25.2 dB(A)
Scheduled Power On / Off
Yes
Wake on LAN / WAN
Yes
Power Supply Unit / Adapter
RS1221+ :
250 W
Redundant Power Supply
Yes
AC Input Power Voltage
100 V to 240 V AC
Power Frequency
50/60 Hz, Single Phase
Power Consumption
RS1221+ :
49.89 W (Access) 22.64 W (HDD Hibernation)
British Thermal Unit
RS1221+ :
170.23 BTU/hr (Access) 77.25 BTU/hr (HDD Hibernation)
Notes
- Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX 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%
Temperature
Operating Temperature
0oC to 35oC (32oF to 95oF)
Storage Temperature
-20oC to 60oC (-5oF to 140oF)
Relative Humidity
5% to 95% RH
Certification
FCC
CE
BSMI
EAC
CCC
KC
VCCI
RCM
Environment
RoHS Compliant
Packaging Content
RS1221+ :
Main Unit X 1
Accessory Pack X 1
AC Power Cord X 1
C13 to C14 power cord x 1
Quick Installation Guide X 1
Optional Accessories
RS1221+ :
DDR4 ECC SODIMM: D4ES01-4G/D4ES01-8G/D4ECSO-2666-16G
Expansion Units: RX418
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
Rail Kit Mounted: RKM114
VisualStation: VS960HD/VS360HD
Surveillance Device License Pack
Notes
RS1221+ :
- Certain items may not be available in your location. Please contact your local distributors for more information.
- All memory modules will operate at the maximum frequency specified by the CPU manufacturer.