Cooler Master XDream K640

CM X DREAM K640X 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. Features1. Cross shaped heatsink design centralizes the airflow for massive heat dissipation. 2. Special frameless fan provides excellent heat dissipation and silent operation. 3. Screw-less patent chip design for instant assembly / disassembly without removing the motherboard. 4. Support AMD dual core K8 (Socket 754,939, 940, and M2) especially for low profile system. Specifications:Socket Type754,939, 940, and M2Fan Speed800 ~ 2800R. P. M. (control by thermistor)Fan Dimension?92x25 mm (compatible with 80mm fan)Sound Pressure Level19.5 dBA @ 1 meter, average loadingHeat Sink Dimension90 x 90 x 40 mm (LxWxH)Bearing TypeRifle BearingFan Life Expectancy50,000 hoursHeat Sink MaterialAluminum extrusion fin with copper baseHeat Sink Weight397 g (without FAN)Fan Weight75 gApplicationAMD AthlonTM 64 X2 3800+ ~ X2 4800+ and higherAMD AthlonTM 64 FX FX-51 ~ FX-59 and higherAMD AthlonTM 64 2800+ ~ 4200+ and higherAMD SempronTM 2500+ ~ 3700+ and higherAMD Opteron all seriesUPC CodeRR-KIF-L9E1 - 870423000228