Digidesign hardware should have this information printed on the back side of their units near where the power cord is connected. You can also find some of this information at the weblink below to Digi's online database. Some of the information from that link is listed below. www.digidesign.com
Power consumption for Digidesign hardware.
192 I/O - 200W
96 I/O - 150W
AV|Option - 150W
Control|24 - 300W
D-Control Fader Pack - 250W
D-Control Main - 250W
DigiDrives - 40W
EditPack - 130W
Magma 13-slot chassis - 700W
Magma PE6R4 Chassis - 250W
MIDI I/O - 30W
PRE - 120W @ 240V (Europe)
PRE - 60W @110V (North America)
ProControl - 130W
SYNC I/O - 30W
XMON - 50W