Features patented ethcurren92x32mm upside down fan offers a perfect balance between airflow and noise aluminum heatsinks with copper insertion dissipate heat effectively mirror polished base provides perfect contact between cpu and heatsink application for amd socket 100w fm2fm1am3am3am2am2940939754 fx x8x6x4 a10a8a6a4 phenom ii x6x4x3x2 phenom x4x3 athlon ii x4x3x2 business class sempron athlonathlon x2 athlon fx technical spec overall dimension 1055x95