Cooler Master X Dream K640

X Dream K640 is a 19.5 dBA silent CPU cooler, and especially designed for slim type system and custom-made for AMD dual core K8 (socket M2) and Opteron CPU. X Dream K640 has been equipped with cross shaped heatsink which is made of aluminum extrusion fin with copper base that provides excellent heat dissipation. Without the square frame, its 92mm circular fan inhales cool air around it smoothly that achieves the best cooling performance and quiet working environment.