Hi Sean, thanks for your answer. I'll make some measurement my own and shall give you these data via list. I think, the graphic card is the main problem. By the time: the ATi Radeon has a DVI-Adapter too. Stevie >The point I was trying to make is that the clear advantage of the new >Powerlogix 1.2 and 1.4 GHz chips is that their power draw is comparable to >that of the original 450 or 500 MHz processor. Similarly, a Combo drive and >an upgraded hard drive will draw only marginally more power than the parts >they replace. The only part that I think will draw significantly more power >is an upgraded video card, with the Radeon 8500 and GeForce 3 being the >worst. > >The most significant thing you can do to reduce your Cube's power >consumption is not to run an ADC display, or if you do to use a DVI-ADC >adaptor (although I think the Radeon 9000 is the only card that has a DVI >connector). > >At any rate, there are plenty of Cubes running upgraded processors, video >cards, and drives. Especially with the new low-power CPUs, I doubt there is >any harm in that configuration. > >Sean Terrill