Channels 16 Drives/bays 2 Rack 1U SATA 1x15pin D-sub 1xHDMI 1xRS232 1xUSB 2.0 1xUSB 3.0 1xRJ45 1xRS-485 4xAlarm In 2xAlarm Out Power supply requirements Single, AC100V ~ 240V, 50 ~ 60 Hz Power consumption 25.5 Watts Dim. 375 x 326.5 x 53mm Temp. range -10°C ~ +55°C Colour Black