Synology RX1223RP 12-Bay NAS Expansion Unit

Category - Expansion Unit
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Synology RX1223RP – 12-Bay Rackmount Expansion Unit

The Synology RX1223RP is a high-capacity 12-bay rackmount expansion unit designed to extend the storage capacity of compatible Synology RackStation servers. Built for enterprise environments, it enables seamless storage scaling without system downtime. With redundant power supplies, hot-swappable drives, and high-speed Mini-SAS connectivity, the RX1223RP provides reliable expansion for data-intensive workloads and growing storage infrastructures.

Seamless 12-bay capacity expansion

Add up to 96 storage bays to compatible units with Synology Expansion Unit RX1223RP. Enlarge or create new volumes without system or service downtime thanks to online storage expansion.

 

 

Hardware Specifications

Applied Models

Supports creating volumes across different units
  • SA series:SA6400
  • 23 series:RS2423RP+, RS2423+
  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.

Storage

Drive Bays 12
  Drive Type (See all supported drives)
  • 3.5" 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.
  • "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

Expansion Port 1

Appearance

Size (Height x Width x Depth) 88 mm x 430.5 mm x 692 mm
  Size (Height x Width x Depth) (with server ears) 88 mm x 482 mm x 724 mm
  Weight 13.9 kg
  Rack Installation Support* 4-post 19" rack (Synology Rail Kit - RKS-02)
  Notes The rail kit is sold separately

Power

Power Recovery Synchronized with the Synology RackStation
  Power Supply Unit / Adapter 550 W
  AC Input Power Voltage 100V to 240V AC
  Power Frequency 50/60 Hz, Single Phase
  Power Consumption 93.59 W (Access)
30.73 W (HDD Hibernation)
  British Thermal Unit 319.34 BTU/hr (Access)
104.86 BTU/hr (HDD Hibernation)
  Redundant Power Supply  
  Notes For more information on how power consumption is measured, refer to this article.

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)
  Operating Humidity 8% to 80% RH
  Storage Humidity 5% to 95% RH

Others

System Fan 80 mm x 80 mm x 4 pcs
  Easy Replacement System Fan  
  Noise Level* 54.3 dB(A)
  Notes Noise Level Testing Environment: Fully loaded with Synology SAT5200-480G SSD 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

  • UL
  • FCC
  • CE
  • BSMI
  • UKCA
  • EAC
  • VCCI
  • RCM
  • KC
  • BIS

Warranty

5 Years
  Notes The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)

Environment & Packaging

Environment

RoHS Compliant

Packaging Content

  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 2
  • Expansion Cable: MiniSAS-HD X 1
  • Quick Installation Guide X 1

Optional Accessories

 

Specification

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