Quote Originally Posted by Ghostleader View Post
Donīt think so, I cool the MCH with water, never over 35C.
I think that a voltage raise of 0.02V or 0.04V isn't actually a voltage raise. There's a good chance that if you stress these GFX cards that the load on the PSU makes the voltage drop a bit on the NB and needs to compensate with one or two steps higher voltage in the BIOS.