Product Description Storage Hot-swap drive bays Yes Installed storage drive type HDD Number of storage drives installed 12 Supported storage drive types HDD & SSD Number of storage drives supported 12 Storage drive interface Serial ATA III Storage drive size 2.5/3.5" Storage drives installed Yes Supported storage drive interfaces Serial ATA III Storage drive sizes supported 2.5,3.5" Ports & interfaces USB connectivity No InfiniBand Yes Technical details Device class Home & Home Office Number of fans 2 fans Product colour Black LED indicators Yes Compatible products DS2419+, DS2419+II, DS3617xs, DS3617xsII Chassis type Desktop Harmonized System HS code 84717020 Design Number of fans 2 fans Product colour Black LED indicators Yes Chassis type Desktop Cooling Yes Performance Device class Home & Home Office Compatible products DS2419+, DS2419+II, DS3617xs, DS3617xsII Power Power supply unit PSU capacity 550 W Number of power supply units 1 AC input voltage 100-240 V AC input frequency 50/60 Hz Weight & dimensions Width 300 mm Depth 340 mm Height 270 mm Operational conditions Storage temperature T-T -20 - 60 ??C Operating temperature T-T 5 - 35 ??C Operating relative humidity H-H 5 - 95%