Synology Expansion Unit DX1215ii 12-Bay 3.5" NAS for Scalable Models (SMB/ENT)

SynologySKU: DX1215ii


✅ In Stock at Supplier (ETA: Usually in 1-3 Business Days)

Sale price$2,097.00

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Expansion Unit DX1215II

Plug-and-play storage expansion for Synology DiskStation

Easily add 12 bays to your DiskStation

With its 12-bay desktop form factor, the DX1215II provides generous storage expansion for Synology DiskStation whenever needed with minimal impact on the deployment footprint.

Online volume and storage expansion

Add a new volume to your storage, or seamlessly expand RAID volumes on Synology DiskStation without reformatting drives with online volume expansion through DiskStation Manager (DSM) to minimize service disruptions.

Supports creating volumes across different units
  • FS series:FS1018
  • 19 series:DS2419+II, DS2419+
  • 18 series:DS3018xs
  • 17 series:DS3617xsII, DS3617xs
  • 15 series:DS3615xs, DS2415+, DS2015xs
  • 13 series:DS2413+
  • 12 series:DS3612xs
  • 11 series:DS3611xs, DS2411+


  • 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.
  • DSM version requirement: 6.2.4-25556 or later version.

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