CPU CPU Model AMD Ryzen V1500B
CPU Quantity 1
CPU Architecture 64-bit
CPU Frequency 4-core 2.2 GHz
Hardware Encryption Engine (AES-NI)
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)
Notes • 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.
• 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.
• For more information about the recommended memory configurations, please check the Hardware Installation Guide of your Synology product.
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
• 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.
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 can be installed for free from Package Center in DSM 7.0. In DSM 6.2 or earlier versions, exFAT Access needs to be purchased 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
Weight RS1221+ :6.9 kgRS1221RP+ :11.7 kg
Rack Installation Support* RS1221+ :
• 4-post 19" rack (Synology Rail Kit - RKM114/RKS-02)
• 2-post 19" rack (direct mounting)
RS1221RP+ :4-post 19" rack (Synology Rail Kit - RKS-02)

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
Noise Level* RS1221+ :25.2 dB(A)RS1221RP+ :40 dB(A)
Scheduled Power On / Off
Wake on LAN / WAN
Power Supply Unit / Adapter RS1221+ :250 WRS1221RP+ :350 W
Redundant Power Supply RS1221+ :-RS1221RP+ :
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 years with EW202

Notes • Availability varies by region. Before purchasing, please visit the official web pages of EW201/202 and Extended Warranty Plus for a list of eligible regions.
• 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
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: SAT5210
• M.2 SSD & 10GbE Combo Adapter Card: E10M20-T1
• M.2 SSD Adapter Card: M2D20
• 25GbE Network Interface Card: E25G21-F2
• 10GbE Network Interface Card: E10G21-F2/E10G18-T2/E10G18-T1
• Rail Kit Sliding: RKS-02
• Rail Kit Mounted: RKM114*
• VisualStation: VS360HD
• Surveillance Device License Pack
RS1221RP+ :
• DDR4 ECC SODIMM: D4ES01-4G/D4ES01-8G/D4ECSO-2666-16G
• Expansion Units: RX418
• 3.5" SATA HDD: HAT5300
• 2.5" SATA SSD: SAT5210
• M.2 SSD & 10GbE Combo Adapter Card: E10M20-T1
• M.2 SSD Adapter Card: M2D20
• 25GbE Network Interface Card: E25G21-F2
• 10GbE Network Interface Card: E10G21-F2/E10G18-T2/E10G18-T1
• Rail Kit Sliding: RKS-02
• VisualStation: 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.
RS1221RP+ :All memory modules will operate at the maximum frequency specified by the CPU manufacturer.


https://global.download.synology.com/download/Document/Hardware/DataSheet/RackStation/21-year/RS1221%2B/enu/Synology_RS1221%2B_Data_Sheet_enu.pdf