The arrival of the Phenom II X4 965 was heralded as a great success making it the fastest process on the market in terms of core speed coming in a 3.4GHz and replacing the 955 BE at 3.2GHz. However, with a Thermal Design Power of 140W, many users were less than pleased as cooling the CPU becomes that much harder; even the high performing core i7 range of CPUs have a lower TDP of 130W.