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Product Overview

Manufacturer product information

Easily double or triple the storage capacity of your Synology DiskStation. Your additional storage will be ready to use in a matter of moments after you connect it to your host NAS. Online volume expansion enables you add a new volume or expand RAID volumes without reformatting drives through DiskStation Manager (DSM). 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. 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. Learn more

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Technical Specifications

Structured product 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
Drive Type (See all supported drives) 3.5" SATA HDD2.5" SATA HDD2.5" SATA SSD
Notes #2 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.
External Ports > Expansion Port 1
Appearance > Size (Height × Width × Depth) 270 mm x 300 mm x 340 mm
Weight 9.02 kg
Power > Power Recovery Synchronized with the Synology DiskStation
Power Supply Unit / Adapter 550 W
AC Input Power Voltage 100V to 240V 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 #3 Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
Temperature > Operating Temperature 0°C to 40°C (32°F to 104°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 120 mm x 120 mm x 2 pcs
Noise Level 24.6 dB(A)
Notes #4 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 ULFCCCEBSMIUKCAEACVCCIRCMKCBIS
Warranty 5 Years
Notes #5 The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Environment RoHS Compliant
Packaging Content Main Unit × 1Accessory Pack × 1AC Power Cord × 1Expansion Cable: MiniSAS-HD X 1Quick Installation Guide × 1
Optional Accessories Enterprise Series 3.5" SATA HDD: HAT5300 SeriesPlus Series 3.5" SATA HDD: HAT3300 SeriesEnterprise Series 2.5" SATA SSD: SAT5200 Series