... steel, precise aluminum alloy sliding rail, drawer-type hard disk tray Configuration InterfaceWEBNetwork ProtocolRTP/RTCP, RTSP, UDP ... Motion Detection, External AlarmData ManagementNumber of Hard Disks16 SATAII hard disk, support 2T hard diskHard Disk ModeSingle disk, Raid0, ... -63Hz, 2+1 redundancyPower Consumption280-490W(including Hard Disk)Operating Temperature5-40°COperating Humidity10-80%Storing ...