Synology

Synology DX1222 Drive Enclosure Serial Attached SCSI [SAS], SATA - Mini-SAS HD Host Interface Desktop (259288)

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SKU:
18552013
MPN:
259288
Availability:
Usually ships the same or next business day. In stock at our CA warehouse.
Shipping:
Calculated at Checkout
Stock Update:
12/19/2025 04:40:37 AM PST
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$1,309.53
Stock Update:
12/19/2025 04:40:37 AM PST

Description

This item is brand-new, factory sealed.

Expansion Unit DX1222
Easily double or triple the storage capacity of your Synology DiskStation.
Add 12 bays to your DiskStation on the fly
Use Synology Expansion Unit DX1222 to add 12 additional bays to your deployment while keeping your storage and services online and uninterrupted.
Fast setup
Your additional storage will be ready to use in a matter of moments after you connect it to your host NAS.1 Online volume expansion enables you add a new volume or expand RAID volumes without reformatting drives through DiskStation Manager (DSM).
Optimize with Synology drives
Ensure high reliability and performance on your expansion unit with Synology drives that are designed to be a perfect fit.
Centrally manage all your drives
Benefit from unified drive management after connecting the DX1222 to your primary NAS. Maintenance, monitoring, and administration of drives on both units is simple with Synology DSM.Hardware Specifications
Applied Models
Supports creating volumes across different units
22 series:DS3622xs+, DS2422+
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
Compatible Drive Type (See all supported drives)
3.5" SATA HDD
2.5" 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
Yes
RAID Management through Synology DSM
Yes
Notes
It is strongly recommended that you only install drives listed on your devices 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.External Ports
Expansion Port
1Power
Power Recovery
Synchronized with the Synology DiskStation
Power Supply Unit / Adapter
550 W
AC Input Power Voltage
100 V to 240 V AC
Power Frequency
50/60 Hz, Single Phase
Power Consumption
57.71 W (Access)
16.25 W (HDD Hibernation)
British Thermal Unit
194.96 BTU/hr (Access)
55.48 BTU/hr (HDD Hibernation)
Notes
Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).Temperature
Operating Temperature
0oC to 40oC (32oF to 104oF)
Storage Temperature
-20oC to 60oC (-5oF to 140oF)
Relative Humidity
5% to 95% RHOthers
System Fan
120 mm x 120 mm x 2 pcs
Easy Replacement System Fan
Yes
Noise Level
24.6 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: 24.25-25.75oC Humidity: 58.2-61.8%.Certification
UL
FCC
CE
BSMI
UKCA
EAC
VCCI
RCM
KCEnvironment and Packaging
Environment
RoHS Compliant
Packaging Content
Main Unit X 1
Accessory Pack X 1
AC Power Cord X 1
Expansion Cable: MiniSAS-HD X 1
Quick Installation Guide X 1
Optional Accessories
3.5" SATA HDD: HAT5300
2.5" SATA SSD: SAT5200Item Dimension (L"xW"xH")
19 x 18 x 17

Weight
42 lbs

Warranty Information
5 Years

Specs

Physical Characteristics
Cooling FanYes
Form FactorDesktop
Weight (Approximate)19.89 lb
Height10.6"
Width11.8"
Depth13.4"
I/O Expansions
Hot Swappable BaysYes
Number of Total Expansion Bays12
Number of 2.5"/3.5" Bays12
Interfaces/Ports
Host InterfaceMini-SAS HD
Drive Interface
General Information
Brand NameSynology
Manufacturer Website Addresshttp://www.synology.com
Marketing InformationPlug-and-Play Storage Expansion for Synology DiskStation
Synology DX1222 expansion units let you add capacity to your Synology DiskStation1 on the fly. 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.
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 sacrifice precious office 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.
Product TypeDrive Enclosure
Product NameExpansion Unit DX1222
ManufacturerSynology, Inc
Manufacturer Part NumberDX1222
Product ModelDX1222
Packaged Quantity1
Network & Communication
Wireless LANNo
Technical Information
Number of Hard Drives Supported12
Number of Hard Drives InstalledNo
Number of Solid State Drive InstalledNo
Number of Solid State Drive Supported12

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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Synology DX1222 Drive Enclosure Serial Attached SCSI [SAS], SATA - Mini-SAS HD Host Interface Desktop (259288)
$1,309.53