Expansion Unit RX1222sas

Plug-and-play capacity expansion for Synology servers

RX1222sas
RX1222sas

Accommodate massive storage growth

Expand your Synology rackmount SAS storage 12 bays at a time, for up to 84 additional 3.5"/2.5" SAS/SATA drives over a maximum of seven Synology RX1222sas expansion units.1 Add volumes when and where you need without interrupting services, thanks to Synology DiskStation Manager (DSM)’s online volume expansion and powerful volume management options.

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Easy setup and management

Connect the RX1222sas through the included expansion cable and start managing the additional storage in minutes using Storage Manager and other intuitive tools in Synology DSM. Online volume expansion enables you to add a new volume or expand RAID volumes without reformatting drives.

Easy setup and management

Fast and stable with Synology drives

Achieve higher levels of reliability with Synology’s SAS and SATA enterprise drives. Backed by hundreds of thousands of hours of rigorous testing, they ensure maximum integration and optimal performance when paired with your Synology deployment.

Built with service uptime in mind

RX1222sas’s hot-swappable drive trays, fans, and power supplies reduce the impact of maintenance on service availability, and redundant power supply units keep your system online even if one power source fails.

Built with service uptime in mind
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,2 including responsive technical support and hardware replacement services to maximize your return on investment.  Learn more

Synology Replacement Service (SRS)

Synology Replacement Service (SRS)

SRS provides free advance replacement units as early as the next business day in selected regions, maximizing the service uptime for your mission-critical storage and ensuring your business continuity. Learn more

Notes:

  1. Expanding storage on SA3600/SA3400 units requires DSM 6.2.4-25556 Update 2 or newer to be installed on the host device. For complete information on compatible models, please visit www.synology.com.

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

Hardware Specifications

Applied Models

Applied Models

Supports creating volumes across different units
  • SA series:SA3600, SA3400
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

Storage

Drive Bays 12
Compatible Drive Type* (See all supported drives)
  • 3.5" SAS HDD
  • 3.5" SATA HDD
  • 2.5" SATA SSD
Maximum Internal Raw Capacity 192 TB (16 TB drive x 12) (Capacity may vary by RAID types)
Hot Swappable Drive
RAID Management through Synology DSM
Notes
  • It is strongly recommended that you only install drives listed on your device's compatibility list. Storage pool and volume creation processes may fail when using unverified drives. Synology is unable to provide technical support for devices using unsupported components.
  • "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 1
SAS OUT-port 1

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 13.5 kg
Rack Installation Support*
  • 4-post 19" rack (Synology Rail Kit - RKS-02)
  • 4-post 19" rack (Synology Rail Kit - RKS1317)
Notes The rail kit is sold separately

Power

Power

Power Supply Unit / Adapter 500 W
AC Input Power Voltage 100 V to 240 V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption* 194.4 W (Access)
82.56 W (HDD Hibernation)
British Thermal Unit 663.48 BTU/hr (Access)
281.77 BTU/hr (HDD Hibernation)
Redundant Power Supply (for RP model)
Notes Power consumption is measured when it is fully loaded with Synology HAS5300-8T 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 80 mm x 80 mm x 4 pcs
Easy Replacement System Fan
Noise Level* 54.5 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

Certification

  • FCC
  • CE
  • BSMI
  • UKCA
  • 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.