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Synology 5 Bay Expansion Unit DX517 (Diskless)

In stock. Limit 5 per customer.
Ships from Canada.
  • Online volume expansion
  • Dedicated local backup solution
  • Hot-swappable drive tray design
  • Synchronized system operation with Disk Station. Screwless drive tray design reduces the time needed for system setup
  • Applied models: DS1817+, DS1517+, DS1817, DS1517
MAIN OVERVIEW FEATURES: Number of Hard Drives Supported: 5Number of Total Expansion Bays: 5Number of 2.5"/3.5" Bays: 5Drive Interface: Serial ATAHost Interface: eSATACooling Fan: YesForm Factor: ExternalHeight: 6.2"Width: 9.8"Depth: 9.2"Weight (Approximate): 8.62 lbPackage Contents: DX517 Drive Enclosure 1 x Accessory Pack 1 x AC Power Cord 1 x Expansion Cable: eSATA 1 x Quick Installation Guide Compatibility: Synology DiskStation Servers: DS1817+ DS1517+ Environmentally Friendly: YesEnvironmental Certification: RoHSLimited Warranty: 3 Year

Warranty & Returns

Warranty, Returns, And Additional Information


  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details

Return Policies

  • Return for refund within: 30 days
  • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy