Copper heatsink for evga 6800 ultra

[rick_fx]

http://www.evga.com/products/pdf/202-F1-EV18-01.pdf

I think it will help me get another 10-20 mhz on gpu core.

[reject]

i doubt it, unless the fan is really powerful. but most blowers are weak. i think the ultra had a different fan to GT tho, so maybe. but i bet its only 10 mhz