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Expansion Unit
DX1222
Plug-and-Play Storage
Expansion for Synology
DiskStation
Synology DX1222 expansion units let you add
capacity to your Synology DiskStation1 on the
y. Instantly leverage up to 12 additional 2.5
or 3.5 inch drives in the same deployment
thanks to a small footprint, quick installation,
and Synology DiskStation Manager’s (DSM)
intuitive volume management options. The
unit is backed by Synology’s 5-year limited
warranty.
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Highlights
Simple Installation
•
Add 12 additional drive bays to your DiskStation1 with
minimal disruption
Fast and Intuitive Setup
•
Congure new storage in minutes with Synology DSM's
unied tools
Ready for Synology Drives
•
Ensure highest reliability with Synology enterprise-
grade drives
Extended Support
•
Backed by Synology’s 5-year limited warranty
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DATASHEET | Expansion Unit DX1222
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Minimal Disruption
Seamlessly expand RAID volumes without
reformatting drives with online volume expansion in
DSM to minimize service disruptions.
As Easy As Connecting the Cable
DX1222's plug-and-play design and simple volume management in
DSM make it easy to accommodate surging storage demands in time.
A modest desktop form factor means you need not sacrice precious
oce space.
Achieve More With Synology Drives
Synology enterprise-grade drives, developed in tandem with Synology
storage systems, provide proven interoperability and high reliability
through rigorous validation. Combine them with Synology DiskStation
and DX1222 for a highly reliable and integrated storage setup, and
receive long-term Synology updates and support.
Backed by Synology’s 5-Year Limited Warranty
Get the most out of your DX1222 with comprehensive hardware
replacement and premium technical support, both included in
Synology’s 5-year limited warranty.
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Synology Has You Covered
Keep your business running with the technical
support services included in Synology’s 5-year
limited warranty.
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DATASHEET | Expansion Unit DX1222
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Hardware Overview
Front
Rear
1 Status Indicator 2 Alert Indicator 3 Power Button 4 Link Indicator
5 Drive Status Indicators 6 Drive Trays 7 Drive Tray Lock 8 Power Port
9 Fans 10 Expansion Port
Technical Specications
Hardware
Compatible drive types 12 x 3.5" or 2.5" SATA HDD/SSD (drives not included)
Hot swappable drives Yes
External port 1 x Expansion port (Mini-SAS HD)
Size (HxWxD) 270 x 300 x 340 mm
Weight 9.02 kg
System fans 2 x (120 x 120 x 25 mm)
AC input power voltage 100 V to 240 V AC
Power frequency 50/60 Hz, single phase
Operating temperature 0°C to 40°C (32°F to 104°F)
Storage temperature -20°C to 60°C (-5°F to 140°F)
Relative humidity 5% to 95% RH
Maximum operating altitude 5,000 m (16,400 ft)
Environment and Packaging
Environmental safety RoHS compliant
• 1 x DX1222 main unit
Package contents
Optional accessories
Warranty 5 years2
Note: Model specications are subject to change without notice. Please refer to www.synology.com for the latest information.
1. Requires DSM 7.0.1-42218 or newer to be installed on the host device.
2. The warranty period starts from the date of purchase as stated on your receipt. Visit https://www.synology.com/company/legal/warranty for more
information.
3. Please refer to our compatibility list for the latest optional accessories list.
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SYNOLOGY INC.
Copyright © 2021, Synology Inc. All rights reserved. Synology, the Synology logo are trademarks or registered trademarks of Synology Inc. Other product and
company names mentioned herein may be trademarks of their respective companies. Synology may make changes to specication and product descriptions at
anytime, without notice.
DX1222-2021-ENU-REV002
• 1 x AC power cord
• 1 x Accessory pack
• 1 x Expansion cable
• 1 x Quick Installation Guide
• 3.5" SATA HDD: HAT5300
• 2.5" SATA SSD: SAT5200
DATASHEET | Expansion Unit DX1222
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