its possible your voltages are to high but not i dont think cooling is a problem and anyway whoever has a gpu needs this just for keep sake its cheap and very good just like a 80mm fan but 40% more effective right under ur gpu and expels the heat out of ur case
http://www.newegg.com/Product/Produc...82E16835888602 also dont be decieved about temperatures because once you log out of a game they drop pretty fast... my suggestion also is to find a temperature reading program if theres any.... that can show you it while in game..
