All stock codes associated to this product
DX1215II, DX1215 II, SY50034, DX1215ii, 29DX1215II, 4711174724321
Synology Expansion Unit DX1215II
 
Overview
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.

5-year warranty
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.
Specifications
  
  
    | Applied 
      Models | Supports 
      creating volumes across different units | FS 
      series:FS1018 | 
  
    | 19 
      series:DS2419+, DS2419+II | 
  
    | 18 
      series:DS3018xs | 
  
    | 17 
      series:DS3617xs, DS3617xsII | 
  
    | 15 
      series:DS3615xs, DS2415+, DS2015xs | 
  
    | 13 
      series:DS2413+ | 
  
    | 12 
      series:DS3612xs | 
  
    | 11 
      series:DS3611xs, DS2411+ | 
  
    |  | 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* (See all supported drives) | 3.5" 
      SATA HDD | 
  
    | 2.5" 
      SATA HDD | 
  
    | 2.5" 
      SATA SSD | 
  
    |  | Maximum 
      Internal Raw Capacity | 192 
      TB (16 TB drive x 12) (Capacity may vary by RAID 
      types) | 
  
    |  | Hot 
      Swappable Drive | Yes | 
  
    |  | RAID 
      Management through Synology DSM | Yes | 
  
    |  | 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* | 51.23 
      W (Access) | 
  
    | 21.71 
      W (HDD Hibernation) | 
  
    |  | British 
      Thermal Unit | 174.69 
      BTU/hr (Access) | 
  
    | 74.03 
      BTU/hr (HDD Hibernation) | 
  
    |  | Notes | Power 
      consumption is measured when it is fully loaded with Western Digital 1TB 
      WD10EFRX hard drive(s). | 
  
    | Temperature | Operating 
      Temperature | 5C 
      to 35C (40F to 95F) | 
  
    |  | Storage 
      Temperature | -20C 
      to 60C (-5F to 140F) | 
  
    |  | Relative 
      Humidity | 5% 
      to 95% RH | 
  
    | Others | System 
      Fan | 120 
      mm x 120 mm x 2 pcs | 
  
    |  | Easy 
      Replacement System Fan | Yes | 
  
    |  | Noise 
      Level* | 27.2 
      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: 24.25-25.75C; Humidity: 
      58.2-61.8%. | 
  
    | Certification | FCC | 
  
    | CE | 
  
    | BSMI | 
  
    | EAC | 
  
    | RCM | 
  
    | KC | 
  
    | Warranty | 5 
      Years | 
  
    |  | Notes | The 
      warranty period starts from the purchase date as stated on your purchase 
      receipt. (Learn more) | 
  
    | Environment 
      & Packaging | 
  
    | Environment | RoHS 
      Compliant | 
  
    | Packaging 
      Content | Main 
      Unit X 1 | 
  
    | User's 
      Guide X 1 | 
  
    | Accessory 
      Pack X 1 | 
  
    | AC 
      Power Cord X 1 | 
  
    | Expansion 
      Cable: Infiniband X 1 | 
  
    | Optional 
      Accessories | 3.5" 
      SATA HDD: HAT5300 | 
  
    | 2.5" 
      SATA 
SSD: SAT5200 |