Are you looking for an NVIDIA GeForce 7900 GT card that you can overclock by 31%? If so, you might be interested in the XFX GeForce 7900 GT Extreme Edition! Factory-overclocked to 520MHz core and 870MHz memory, we actually managed to overclock it a lot further! Read on and find out more! Link : XFX GeForce 7900 GT Extreme Edition Graphics Card Review!