MASSCOOL 60mm Ball CPU Cooling Fan/Cooling Heatsink 5C12B3 MASSCOOL 5C12B3 60mm Ball CPU Cooling Fan/Heat sink , Fan Size : 50mm , Compatibility: AMD: Athlon ~ 850 MHz (Thunderbird) Duron ~ 1 GHz (Morgan) , Intel: Pentium III ~ 1.4 GHz (FC-PGA2) Celeron ~ 1.0 GHz (FC-PGA) Bearing Type : Ball, RP: 480010% RPM, Air Flow: 9.46 CFM , Noise Level:29.7 dBA , Power Connector: 3 Pin, Color Black , Heat sink Material: Aluminum. Physical Spec : Fan Dimensions: 50 x 50 x 15mm, Heat sink Dimensions: 60 x 57 x 32mm , Manufacturer Warranty: Parts and Labor : 1 year limited