StarTech FAN7751U 70mm Ball 1U Intel Socket 775 CPU Cooler Type: Fan & Heatsinks RPM: 4500 ±10% RPM Air Flow: 30.79 CFM Noise Level: 39 dBA Power Connector: 3 Pin Color: Black Compatibility: Compatible with Intel Socket LGA775 P4 (up to 3.8 GHz) and Dual Core processors Fan Dimensions: 70 x 70 x 10mm