Fan Type   Rifle Bearing
Fan Speed   4200 rpm - ±10%
Interfaces/Ports 
Connectors   4-pin LP4
Physical Characteristics 
Material   Plastic Fan
      Aluminum/Copper Heatsink 
Additional Information   Fan Dimension: 94 x 39.2 mm
Heatsink Dimension: 90 x 39.3 mm
Compatibility   LGA 775 Dual Core