Effortless capacity expansion for Synology DiskStation solutions on-the-fly.5-bay 3.5 /2.5 SATA expansionEasily add 5 additional drive bays to Synology DiskStation. 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 expansionManaged 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 designThe 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 solutionSynology 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.
Storage | |
Storage drives installed: | ![]() |
Installed storage drive type: | ![]() |
Supported storage drive types: | HDD & SSD |
Number of storage drives supported: | 5 |
Maximum supported storage capacity: | 80 TB |
Supported storage drive interfaces: | Serial ATA, Serial ATA II, Serial ATA III |
Storage drive sizes supported: | 2.5,3.5" |
Hot-swap drive bays: | ![]() |
Ports & interfaces | |
USB connectivity: | ![]() |
eSATA ports quantity: | 1 |
Design | |
Chassis type: | Desktop |
Product colour: | Black |
LED indicators: | Alarm, Power, Status |
Number of fans: | 2 fan(s) |
Noise level: | 21.5 dB |
Certification: | FCC B, CE B, BSMI B |
Performance | |
Device class: | Small & Medium Business |
Compatible products: | Synology DS1817+, DS1517+ |
Power | |
Power supply unit (PSU) capacity: | 200 W |
Number of power supply units: | 1 |
Power consumption (typical): | 29.9 W |
AC input voltage: | 100-240 V |
AC input frequency: | 50 - 60 Hz |
Weight & dimensions | |
Width: | 248 mm |
Depth: | 233 mm |
Height: | 157 mm |
Weight: | 3.91 kg |
Technical details | |
Sustainability certificates: | RoHS |
Logistics data | |
Harmonized System (HS) code: | 84717020 |
Packaging content | |
Cables included: | AC, eSATA |
Operational conditions | |
Operating temperature (T-T): | 5 - 40 °C |
Operating relative humidity (H-H): | 5 - 95% |
Storage temperature (T-T): | -10 - 70 °C |
Storage relative humidity (H-H): | 5 - 95% |