Graphics card idle power

[ramas_uta]

All,
I was looking at the graphics card idle power and found this link. Does the graphics power shown in the graph AC or DC? I am assuming its AC. If its AC power, how do I find out what king of PSU was used for the experiment?

Please help!


http://www.tomshardware.com/reviews/energy-efficient-computing-options,1672-5.html#

Thanks.

 

[ramas_uta]

I would appreciate any help on this.