I thought someone would ask that
290 watts is good huh?
CPU = Venice 3000+ @ 2.916 Ghz, 1.7 volts
67 watts x (2916/1800) x (1.7/1.4)^2 = 160 watts
GPU = X800XT - default = 60 watts (probably more like 40 for GPU itself). Running at 575 / 550 = 69 watts (maybe more like 46 watts for GPU alone).
Both Harddrives WCed = 18 watts
Two 50Z pumps @ 13v = 23 watt heat dump
NF4 chipset = 20 watts (guess).
Total = 160 + 46 + 23 + 18 + 20
= 267 watts (290 if 69 watts used for gfx card).
3 / 267 = 0.011 C/W