Synology 12-bay Expansion Unit RX1223RP

Synology 12-bay Expansion Unit RX1223RP

RX1223RP Specs

Applicable models
Support for creating storage space across devices SA6400
Remark It is recommended to create the storage space on a single server or expansion device instead of across different devices for better system performance.
storage device
Number of slots 12
Compatible Disk Type* (see all supported disks)
  • 3.5″ SATA HDD
  • 2.5″ SATA SSD
Maximum internal net total storage capacity 216 TB (18 TB drive x 12) (capacity will vary with RAID type)
Disk hot-plug support*
Manage RAID with Synology DSM
  • Synology only guarantees the full functionality, reliability and performance of the Synology hard drives listed in the Compatibility List . Using unverified components may limit some functions and lead to data loss and system instability.
  • Compatible disk type refers to the type of hard disk that is confirmed to be compatible with the product after actual measurement, not the maximum speed limit of the hard disk slot.
external port
expansion port 1
Size (HXWXD) 88 mm x 430.5 mm x 692 mm
Dimensions (H x W x D) (with chassis brackets) 88mm x 482mm x 724mm
weight 13.9 kg
Rack Mount Support* 4-post 19″ (Synology Rack Kit – RKS-02 )
Remark Rack kit sold separately
power supply
Power Auto Reply Sync with Synology DiskStation
Power Supply / Transformer 550W
AC input voltage 100V to 240V AC
current frequency 50/60 Hz, single frequency
power consumption 93.59 W (access)
30.73 W (disk hibernation)
BTU 319.34 BTU/hr (access)
104.86 BTU/hr (disk hibernation)
Dual power supply (RP model)
Remark For more information on how to measure the power consumed by a power supply, please refer to this article .
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
other projects
system fan 80 mm x 80 mm x 4 pcs
Replaceable system fan
Noise value* 54.3 dB(A)
Remark Noise value test environment: use Synology SAT5200-480G SSD in standby mode, set up two GRAS Type 40AE microphones at a distance of 1 meter from the front and back of the Synology NAS; background noise value: 16.49-17.51 ​​dB(A); temperature: 24.25-25.75 degrees Celsius; Humidity: 58.2-61.8%.
certification body
  • UL
  • FCC
  • CE
  • BSMI
  • UKCA
  • EAC
  • VCCI
  • RCM
  • KC
5 years
Remark The warranty period begins on the date of purchase stated on the purchase receipt. (View more content)
Environment and Packaging
RoHS Compliant
package contents
  • Host X 1
  • Accessory bag X 1
  • Power cord X 2
  • Expansion Cable: MiniSAS-HD X 1
  • Quick Installation Guide X 1
optional accessories


RX1223RP Installation guide

Click to access RX1223RP_HIG_enu.pdf


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