I would suggest to buy Cooler Master RR-B10-212P-G1 Hyper 212 Plus 775/1156/1366/AMD/AM2/AM3 Universal Direct Contact Heat-Pipe 120mm Fan CPU CoolerWell-balanced cooling performanceFan mounting using clips for easy installation and swappingVersatile all-in-one mounting solution for Intel Socket LGA775/1156/1366 and AMD Socket 939/AM2/AM3Silent operation with minimal noise level at 13 dBA