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Easily double or triple the storage capacity of your Synology DiskStation.
Use Synology Expansion Unit DX1222 to add 12 additional bays to your deployment while keeping your storage and services online and uninterrupted.
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).
Ensure high reliability and performance on your expansion unit with Synology drives that are designed to be a perfect fit.
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,2 providing responsive technical support and hardware replacement services to maximize your return on investment.
Hardware Specifications |
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Applied Models |
Supports creating volumes across different units |
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| 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* |
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| 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. | |
External Ports |
Expansion Port | 1 |
Appearance |
Size (Height x Width x 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 | 100 V to 240 V AC | |
| Power Frequency | 50/60 Hz, Single Phase | |
| Power Consumption* | 57.71 W (Access) 16.25 W (HDD Hibernation) |
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| British Thermal Unit | 194.96 BTU/hr (Access) 55.48 BTU/hr (HDD Hibernation) |
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| Notes | 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) | |
| Relative Humidity | 5% to 95% RH | |
Others |
System Fan | 120 mm x 120 mm x 2 pcs |
| Easy Replacement System Fan | ||
| 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: 24.25-25.75?C; Humidity: 58.2-61.8%. | |
Certification |
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Warranty |
5 Years | |
| Notes | The warranty period starts from the purchase date as stated on your purchase receipt. | |
Environment & Packaging |
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Environment |
RoHS Compliant | |
Packaging Content |
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Optional Accessories |
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