New Thermaltake CLP0556-B CPU Fan for Intel Core i7/ i5/ i3 RPM: 1900 ~ 2300 rpm Air Flow: 39.7 CFM Noise Level: 22 dBA Power Connector: 4 Pin Heatsink Material: Aluminum Extrusion Compatibility: Intel Core i7/i5/i3 (Socket LGA1156/1155/1150) Fan Dimensions: 92 x 25 mm Heatsink Dimensions: 3.77 x 3.77 x 2.39 inch / 95.8 x 95.8 x 60.6 mm