Expansion Unit RXD1219sas
Compatibility Downloads
Compatibility Downloads

Expansion Unit RXD1219sas

Reliable and highly scalable SAS storage expansion unit for your Synology servers

RXD1219sas
RXD1219sas

On-the-fly SAS expansion up to 12 additional bays

RXD1219sas is a 2U expansion unit designed to work automatically when connected, providing an effortless storage space upgrade solution for your Synology servers1. You can add up to 12 additional 2.5" / 3.5" SAS drive bays on the fly when connected directly with a mini-SAS HD cable.

On-the-fly SAS expansion up to 12 additional bays

Designed for maximum reliability

The redundant power supplies ensure maximum service uptime. On the rare occasion when a failure occurs, you can instantly replace the hot-swappable drive trays, and with the key system components modularized, SAS modules and system fans can also be replaced with ease.

Designed for maximum reliability

High-performance data transmission

The mini-SAS HD provides high bandwidth connectivity to achieve maximum throughput during data transfer between your Synology server and RXD1219sas. It allows the drives in the connected RXD1219sas to operate as if they are the internal drives of the Synology server with no data latency.

High-performance data transmission
5-year warranty

5-year warranty

At Synology, we are committed to product innovation and quality. Synology guarantees a robust and reliable data management experience with a 5-year limited warranty, providing responsive technical support and hardware replacement services to maximize your return on investment.2 

Backed by Synology drives

Engineered to handle high-intensity workloads, Synology hard drives consistently deliver top-grade performance.3

Enterprise Series 3.5" SAS
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Notes:

  1. For complete information on compatible models, please visit www.synology.com.

  2. The warranty period starts from the purchase date as stated on your purchase receipt. Visit https://www.synology.com/company/legal/warranty for more information.

  3. Storage drives are sold separately. Refer to the compatibility list for compatible devices.

Hardware Specifications
Applied Models
Applied Models
 Supports creating volumes across different units
  • SA series:SA3400D, SA3200D
Supports creating volumes on a single unit only
  • UC series:UC3400, UC3200
Storage
Storage
 Drive Bays 12
Compatible Drive Type* (See all supported drives)
  • 2.5” dual-port SAS SSD
  • 2.5” dual-port SAS HDD
  • 3.5” dual-port SAS HDD
Hot Swappable Drive*
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
External Ports
 SAS IN-port 2
SAS OUT-port 2
Appearance
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 18.2 kg
Rack Installation Support* 4-post 19" rack (Synology Rail Kit - RKS-02)
Notes The rail kit is sold separately
Power
Power
 Power Supply Unit / Adapter 500 W
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption 299.79 W (Access)
British Thermal Unit 1022.93 BTU/hr (Access)
Redundant Power Supply (for RP model)
Notes Power consumption is measured when it is fully loaded with Seagate ST3600057SS hard drive(s).
Temperature
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
Others
Others
 System Fan 60 mm x 60 mm x 4 pcs
Easy Replacement System Fan
Noise Level* 60.9 dB(A)
Notes Noise Level Testing Environment: Fully loaded with Seagate 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 expansion unit 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
Certification
  • FCC
  • CE
  • BSMI
  • EAC
  • VCCI
  • RCM
  • KC
Warranty
Warranty
 5 Years
Notes The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Environment & Packaging
Environment
Environment
 RoHS Compliant
Packaging Content
Packaging Content
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 2
  • Expansion Cable: Mini-SAS HD X 2
  • Quick Installation Guide X 1
Optional Accessories
Optional Accessories

Notes:

  1. Model specifications are subject to change without prior notice.
  2. The figures are based on Synology internal testing. Each performance test is done individually. No other services or applications are processed at the same time.
  3. The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations.
  4. If usage requirements exceed the specifications above, please contact our regional partners for professional advice.