DC.AL-201 Heat-sink size 60*53.6*23.4mm Die-Cast Processed Aluminum Alloy Fan 50*50*10 Ball Bearing, Dc Fan, 12V, 5800rpm, 13.9 C.F.M Thermal Resistance 0.98 C/W CPU Applications: INTEL: Celeron (PPGA) AMD: K6-2 533MHz & K6-3 450 MHz Overclocked & UP