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Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz

Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Pre-Order
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
Synology | Tower NAS Expansion Unit | DX517 | up to 5 HDD/SSD Hot-Swap (drives not included) | Internal AC 100-240V Universal, 50/60 Hz
620.27€
Ex Tax: 512.62€
  • Stock: Pre-Order
  • Brand: Synology
  • ID: 313681
  • Weight: 5.60kg
  • Dimensions: 375.00mm x 340.00mm x 325.00mm
  • EAN: 4711174722679
  • MPN: DX517
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Synology DX517 Tower NAS Expansion Unit — 5-Bay Hot-Swap Expansion

The Synology DX517 is a tower NAS expansion unit designed to extend the storage capacity of compatible Synology systems. The DX517 supports up to five hot-swappable 3.5" or 2.5" HDD/SSD drives (drives not included) and uses an internal universal AC power supply compatible with 100–240V, 50/60 Hz mains input.

Key Features

  • Manufacturer: Synology
  • Producer product name: DX517
  • Producer product family: Tower NAS Expansion Unit
  • Supports up to 5 HDD/SSD hot-swap bays (drives not included)
  • Power supply type: Internal AC 100–240V Universal, 50/60 Hz
  • Category: Storages > Disk arrays

Customer Benefits

  • Scalable capacity: Add up to five additional hot-swappable drives to expand existing Synology storage systems without replacing the primary unit.
  • Convenient maintenance: Hot-swap drive support allows drive replacement or addition without powering down the expansion unit.
  • Flexible power compatibility: Internal universal AC power supply supports a wide input range (100–240V, 50/60 Hz), suitable for global deployments.
  • Simple integration: Designed as a Synology tower NAS expansion unit for straightforward use with compatible Synology systems.

Typical Usage / Applications

  • Expanding on-premises Synology NAS storage capacity for small to medium business or advanced home environments.
  • Adding removable drive bays for incremental storage growth without replacing existing NAS hardware.
  • Providing additional hot-swap bays for systems where drive accessibility and uptime are priorities.

Technical Specifications

  • Manufacturer: Synology
  • Product name: DX517
  • Product family: Tower NAS Expansion Unit
  • Category: Storages > Disk arrays
  • Number of storage drives supported: up to 5 HDD/SSD Hot-Swap (drives not included)
  • Power supply type: Internal AC 100–240V Universal, 50/60 Hz