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.
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.
Storage
Drive Bays
8
Maximum Drive Bays with Expansion Unit
12 (RX418 x 1)
Compatible Drive Type* (See all supported drives)
3.5" SATA HDD
2.5" SATA HDD
2.5" SATA SSD
Maximum Single Volume Size*
108 TB
Hot Swappable Drive
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
Size (Height x Width x Depth)
RS1221+ :88 mm x 482 mm x 306.6 mmRS1221RP+ :88 mm x 482 mm x 407.5 mm
Power Supply Unit / Adapter
RS1221+ :250 WRS1221RP+ :350 W
Redundant Power Supply
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)
RS1221RP+ :61.94 W (Access) 29.98 W (HDD Hibernation)
British Thermal Unit
RS1221+ :170.23 BTU/hr (Access) 77.25 BTU/hr (HDD Hibernation)
RS1221RP+ :211.35 BTU/hr (Access) 102.30 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: 24.25-25.75°C; Humidity: 58.2-61.8%
Temperature
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
Certification
FCC
CE
BSMI
EAC
CCC
KC
VCCI
RCM
Warranty
3-year hardware warranty, extendable to 5-year coverage - EW202
Notes
The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
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
RS1221RP+ :
Main Unit X 1
Accessory Pack X 1
AC Power Cord X 2
Quick Installation Guide X 1
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.
RS1221RP+ :All memory modules will operate at the maximum frequency specified by the CPU manufacturer.
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