Easily add 12 bays to your DiskStation
With its 12-bay desktop form factor, the DX1215II provides generous storage expansion for Synology DiskStation1 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.
Expand DiskStation with Synology drives Developed in tandem with Synology storage systems, Synology enterprise storage drives deliver proven interoperability and high reliability through rigorous validation and compatibility testing.
Simple setup and management Plug-and-play design makes adding the DX1215II to an existing DiskStation simple. Unified drive management through DSM ensures health monitoring, storage allocation, and maintenance tasks are centralized and easily accessible to administrators. More information: Power | Power supply unit (PSU) capacity | 550 W | ![](/p.gif) | Number of power supply units | 1 | ![](/p.gif) | AC input voltage | 100-240 V | ![](/p.gif) | AC input frequency | 50 - 60 Hz | Operational conditions | Operating temperature (T-T) | 5 - 35 °C | ![](/p.gif) | Operating relative humidity (H-H) | 5 - 95 % | ![](/p.gif) | Storage temperature (T-T) | -20 - 60 °C | Logistics data | Harmonized System (HS) code | 84717020 | Design | Chassis type | Desktop | ![](/p.gif) | Product colour | Black | ![](/p.gif) | LED indicators | Yes | ![](/p.gif) | Cooling | Yes | ![](/p.gif) | Number of fans | 2 fan(s) | Ports & interfaces | InfiniBand | Yes | Performance | Device class | Home & Home Office | ![](/p.gif) | Compatible products | DS2419+, DS2419+II, DS3617xs, DS3617xsII | Storage | Storage drives installed | Yes | ![](/p.gif) | Installed storage drive type | HDD | ![](/p.gif) | Number of storage drives installed | 12 | ![](/p.gif) | Supported storage drive types | HDD & SSD | ![](/p.gif) | Number of storage drives supported | 12 | ![](/p.gif) | Storage drive interface | Serial ATA III | ![](/p.gif) | Storage drive size | 2.5/3.5 " | ![](/p.gif) | Supported storage drive interfaces | Serial ATA III | ![](/p.gif) | Storage drive sizes supported | 2.5,3.5 " | ![](/p.gif) | Hot-swap drive bays | Yes | Weight & dimensions | Width | 300 mm | ![](/p.gif) | Depth | 340 mm | ![](/p.gif) | Height | 270 mm | ![](/p.gif) | Weight | 9020 g |
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