Synology Expansion
Unit RX1217

Enlarge Capacity with RX1217 

The Synology RX1217 is a 12-bay storage expansion unit designed to increase the capacity of Synology RackStation servers. It features hot-swappable drive bays, SATA 6Gb/s interface, and a high-bandwidth expansion cable for seamless integration. The RX1217 supports online volume expansion without interrupting service and offers a reliable plug-and-play design. It is ideal for businesses and organizations requiring scalable storage solutions.

  • Storage : 12-Bay Expansion Unit for Hot-Swappable HDDs and SSDs
  • Compatibility : Compatible with Select Synology NAS Models
  • Connectivity : 1 Gigabit Ethernet Port

Product Description

Hardware Specifications
RX1217RP
RX1217
Applied Models Supports creating volumes across different units
  • 21 series:RS4021xs+, RS3621xs+, RS3621RPxs, RS2821RP+, RS2421RP+, RS2421+
  • 19 series:RS1619xs+
  • 18 series:RS3618xs, RS2818RP+, RS2418RP+, RS2418+
  • 17 series:RS4017xs+, RS3617xs+, RS3617RPxs, RS3617xs
  • 16 series:RS2416RP+, RS2416+
  • 14 series:RS3614xs+, RS3614RPxs, RS3614xs, RS2414RP+, RS2414+
  • 13 series:RS3413xs+
  • 12 series:RS3412RPxs, RS3412xs, RS2212RP+, RS2212+
  • 11 series:RS3411RPxs, RS3411xs, RS2211RP+, RS2211+
  • 21 series:RS4021xs+, RS3621xs+, RS3621RPxs, RS2821RP+, RS2421RP+, RS2421+
  • 19 series:RS1619xs+
  • 18 series:RS3618xs, RS2818RP+, RS2418RP+, RS2418+
  • 17 series:RS4017xs+, RS3617xs+, RS3617RPxs, RS3617xs
  • 16 series:RS2416RP+, RS2416+
  • 14 series:RS3614xs+, RS3614RPxs, RS3614xs, RS2414RP+, RS2414+
  • 13 series:RS3413xs+
  • 12 series:RS3412RPxs, RS3412xs, RS2212RP+, RS2212+
  • 11 series:RS3411RPxs, RS3411xs, RS2211RP+, RS2211+
Notes
  • To have better performance, we recommend creating storage volumes physically located within the same NAS or Expansion Unit, rather than creating volumes across your NAS and Expansion Unit.
  • DSM version requirement: 6.0.1-7393 or later version
Storage Drive Bays 12 12
Compatible Drive Type* (See all supported drives)
  • 3.5″ SATA HDD
  • 2.5″ SATA HDD
  • 2.5″ SATA SSD
  • 3.5″ SATA HDD
  • 2.5″ SATA HDD
  • 2.5″ SATA SSD
Hot Swappable Drive*
RAID Management through Synology DSM
Notes Synology only guarantees full functionality, reliability, and performance for Synology drives listed on the compatibility list. The use of non-validated components may limit certain functionality and result in data loss and system instability.
External Ports Expansion Port 1 1
Appearance Size (Height x Width x Depth) 88 mm x 430.5 mm x 692 mm 88 mm x 430.5 mm x 664 mm
Size (Height x Width x Depth) (with server ears) 88 mm x 482 mm x 724 mm 88 mm x 482 mm x 696 mm
Weight 13.4 kg 12.7 kg
Rack Installation Support* 4-post 19″ rack (Synology Rail Kit – RKS-02) 4-post 19″ rack (Synology Rail Kit – RKS-02)
Notes The rail kit is sold separately
Power Power Recovery Synchronized with the Synology RackStation Synchronized with the Synology RackStation
Power Supply Unit / Adapter 500 W 500 W
AC Input Power Voltage 100V to 240V AC 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase 50/60 Hz, Single Phase
Power Consumption 71.3 W (Access)
31.2 W (HDD Hibernation)
68.60 W (Access)
27.45 W (HDD Hibernation)
British Thermal Unit 243.52 BTU/hr (Access)
106.53 BTU/hr (HDD Hibernation)
234.23 BTU/hr (Access)
93.73 BTU/hr (HDD Hibernation)
Redundant Power Supply
Notes Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
Temperature Operating Temperature 5°C to 35°C (40°F to 95°F) 5°C to 35°C (40°F to 95°F)
Storage Temperature -20°C to 60°C (-5°F to 140°F) -20°C to 60°C (-5°F to 140°F)
Relative Humidity 5% to 95% RH 5% to 95% RH
Others System Fan 80 mm x 80 mm x 3 pcs 80 mm x 80 mm x 3 pcs
Easy Replacement System Fan
Noise Level* 54.2 dB(A) 54.6 dB(A)
Notes Noise Level Testing Environment: Fully loaded with Seagate 1TB ST31000520AS 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%
Certification
  • FCC
  • CE
  • BSMI
  • EAC
  • RCM
  • KC
  • FCC
  • CE
  • BSMI
  • EAC
  • RCM
  • KC
Environment & Packaging
Environment RoHS Compliant RoHS Compliant
Packaging Content
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 2
  • Expansion Cable: Infiniband X 1
  • Quick Installation Guide X 1
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 1
  • Expansion Cable: Infiniband X 1
  • Quick Installation Guide X 1