Channels 64 , Drives/bays 8 , Rack 2U , SATA , eSATA , Integrated LAN Gigabit , 1x15pin D-sub , 2xHDMI , 1xRS232 , 2xUSB 2.0 , 2xUSB 3.0 , 2xRJ45 , 1xRS-485 , 16xAlarm In , 8xAlarm Out , Power supply requirements AC100V ~ 240V, 50 ~ 60 Hz, Redundant , Power consumption 20 Watts , Dim. 444 x 475 x 95mm