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Expansion Unit DX517
Effortless capacity expansion for Synology DiskStation solutions on-the-fly

Expansion Unit DX517

Synology Products
Synology Expansion Unit
Synology Expansion Unit DX517 5-Bay
#DX517
Our Price: $529.00

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Overview:

Synology DX517 offers simple storage capacity expansion solution for your DiskStation through its intuitive plug-n-use design. DX517 allows you to instantly scale up to 5 additional hard drives, so that you can expand RAID volume online or deploy the drives as a dedicated local backup destination for your Diskstation. Synology DX517 is backed by Synology’s 3-year limited warranty.

  • Online volume expansion
  • Dedicated local backup solution
  • Hot-swappable drive tray design
  • Synchronized system operation with DiskStation

Instant Volume Expansion & Backup

Synology DX517 provides an easy way to scale up to 5 additional hard drives on-the-fly. The RAID volume on the host Synology DiskStation can be expanded directly without having to reformat the existing hard drives, which ensures seamless capacity expansion without service downtime.

Synology DX517 can also be used as a dedicated local backup destination for Synology DiskStation. When created as a separate volume, DX517 provides a great backup solution to its local hard disks in case of system failure.

Reliable Plug-n-Use Design

Synology DX517 is connected to Synology DiskStation by an expansion cable with custom-designed connectors on both ends. The convenient hot-swappable drive tray design ensures simple and quick hard drive installation and recovery in the event of failure or when additional drives are to be installed.

Green and Easy to Manage

Deep Sleep can be manually configured to take effect automatically when the system has been inactive for a period of time. This not only saves energy but also extends the lifespan of hard drives. DX517 will also power on/off automatically along with the attached DiskStation without handling. The operation of the DX517 is entirely integrated with DSM on the host DiskStation. This design allows full control of the whole system with your browser only.

Features:

5-bay 3.5"/2.5" SATA expansion

Easily add 5 additional drive bays to Synology DiskStation1. Supporting both 2.5" and 3.5" SATA drives, DX517 is a flexible solution supporting on-the-fly volume expansion or serving as a local backup destination.

Online volume expansion

Managed from DiskStation Manager on the host NAS, the additional bays in the DX517 are immediately ready to be used once connected. On-the-fly volume expansion ensures that storage and services on the host are not interrupted during volume expansion.

Hot-swappable drive tray design

The hot-swappable drive trays of DX517 allow easy drive installation and replacement without powering down the system. Screwless drive tray design reduces the time needed for system setup.

Dedicated local backup solution

Synology DX517 can be used as a dedicated local backup solution for the Synology DiskStation. When created as a separate volume, the DX517 provides a great backup solution to its local hard disks in case of system failure.

Product Views:


DX517 Front View
DX517 Left View
DX517 Left Side View
DX517 Rear View
DX517 Right Side View
DX517 Right View

Technical Specifications:


Hardware Specifications:
Applied Models
  • DS1817+
  • DS1517+
  • DS918+
  • DS718+
  • DS1817
  • DS1517
  • NVR1218
Storage
Drive Bay(s) 5
Compatible Drive Type
  • 3.5" SATA HDD
  • 2.5" SATA HDD
  • 2.5" SATA SSD
Maximum Internal Raw Capacity 50 TB (10 TB drive x 5) (Capacity may vary by RAID types)
Hot Swappable Drive
RAID Management through Synology DSM
External Ports
eSATA port 1
Appearance
Size (Height X Width X Depth) 157 mm x 248 mm x 233 mm
Weight 3.91 kg
Power
Power Recovery Synchronized with the Synology DiskStation 
Power Supply Unit / Adapter 200W 
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption* 29.9 W (Access) 
2.4 W (HDD Hibernation) 
British Thermal Unit 102.02 BTU/hr (Access) 
8.19 BTU/hr (HDD Hibernation) 
Note Power consumption is measured when fully loaded with Toshiba 600GB AL14SEB060N hard drive(s).
Temperature
Operating Temperature 5°C to 40°C (40°F to 104°F)
Storage Temperature -10°C to 70°C (-15°F to 155°F)
Relative Humidity 5% to 95% RH
Others
System Fan 80 mm x 80 mm x 2 pcs
Easy Replacement System Fan
Noise Level 21.5 dB(A) 
Note Noise Level Testing Environment: Fully loaded with Seagate 1TB ST31000520AS hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS front and rear; Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
Certification
  • FCC Class B
  • CE Class B
  • BSMI Class B
Warranty 3 Years
Applicable Extended Warranty EW201 - 2 Year Extension
Environment & Packaging
Environment RoHS Compliant
Packaging Content
  • Main Unit x 1
  • Accessory Pack x 1
  • AC Power Cord x 2
  • Expansion Cable: eSATA x 1
  • Quick Installation Guide x 1

*Model specifications are subject to change without notice. Please refer to www.synology.com for the latest information.

Documentation:

Download the Synology Expansion Unit DX517 Datasheet  (PDF).

Pricing Notes:

Synology Products
Synology Expansion Unit
Synology Expansion Unit DX517 5-Bay
#DX517
Our Price: $529.00