Synology 5bay Expansion Unit DX517 (Diskless)
Brand: Synology

Specifications Mfr Part Number: DX517 Storage: Drive Bay: 5 Compatible Drive Type: 3.5" SATA HDD, 2.5" SATA HDD, 2.5" SATA SSD Maximum Internal Raw Capacity: 50 TB (10 TB HDD x 5) (Capacity may vary by RAID types) Hot Swappable Drive RAID Management through Synology DSM External Ports: 1x eSATA Port System Fan: 2x (80 x 80mm) Fans Noise Level: 21.5 dBA 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) Applied Models: DS1817+, DS1517+ Certification: FCC Class B, CE Class B, BSMI Class B Dimensions (WxDxH): 248.0 x 233.0 x 157.0 mm Weight: 3.91 kg Packaging Contents: Main Unit Accessory Pack AC Power Cord eSATA Expansion Cable Quick Installation Guide RoHS Compliant

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. Compatible Drive Type-3.5 inch SATA HDD, 2.5 inch SATA HDD, 2.5 inch SATA SSD. Note- It is strongly recommended that you only install drives listed on your device's compatibility list. Storage pool and volume creation processes may fail when using unverified drives