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).

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.

| NAS | |
|---|---|
| Drive Bays | 12 |
| Compatible Drive Type | 3.5 |
| Hot Swappable Drive | yes |
| Expansion Port | 1 |