Expansion Unit DX517

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.

Notes:
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1. View specifications for a list of supported models.
   

   SPECS DX517

   Hardware Specifications
   Applied Models	DS1817 DS1517 DS918 DS718 DS1817 DS1517 NVR1218
   Storage
   Drive Bays	5
   Compatible Drive Type* (See all supported drives)	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	YES
   RAID Management through Synology DSM	YES
   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 Western Digital 1TB WD10EFRX 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	YES
   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 1 Expansion Cable: eSATA X 1 Quick Installation Guide X 1

   Contact us: Tel:  Ms. Thao 0943 199 449 – 100
           Mr. Long  0943 199 449 – 141