Here you will find heatsinks for the AMD K8 Series Processors! K8 Series CPU are the fastest AMD processors on the market delivering blazing speeds. Whether you have a Socket 754, Socket 939, or Socket 940 you will find your CPU cooler here. Athlon, Opteron, 64-bit, even Dual Core Athlon X2 cpu fans are all found in this section! Xoxide is the place for all your K8 Socket 754/939/940 cooling needs!