Product Description Storage Hot-swap drive bays Yes Installed storage drive type HDD Supported storage drive types HDD & SSD Number of storage drives supported 5 Storage drives installed Yes Supported storage drive interfaces Serial ATA, Serial ATA II, Serial ATA III Ports & interfaces USB connectivity No eSATA ports quantity 1 Technical details Device class Small & Medium Business Number of fans 2 fans Noise level 21.5 dB Product colour Black LED indicators Alarm, Power, Status Compatible products Synology DS1817+, DS1517+ Chassis type Desktop Certification FCC B, CE B, BSMI B Sustainability certificates RoHS Harmonized System HS code 84717020 Design Number of fans 2 fans Noise level 21.5 dB Product colour Black LED indicators Alarm, Power, Status Chassis type Desktop Certification FCC B, CE B, BSMI B Performance Device class Small & Medium Business Noise level 21.5 dB Compatible products Synology DS1817+, DS1517+ Power Power supply unit PSU capacity 200 W Number of power supply units 1 AC input voltage 100-240 V AC input frequency 50 - 60 Hz Power consumption typical 29.9 W Weight & dimensions Width 248 mm Depth 233 mm Height 157 mm Packaging data Cables included AC, eSATA Packaging content Cables included AC, eSATA Operational conditions Storage temperature T-T -10 - 70 ??C Storage relative humidity H-H 5 - 95% Operating temperature T-T 5 - 40 ??C Operating relative humidity H-H 5 - 95%