Type: Fan & Heatsinks RPM: 3700 ±10% RPM Air Flow: 28.0 CFM at 3700 RPM Noise Level: 29.7 dBA Power Connector: 3 Pin Color: Black Heatsink Material: Aluminum Compatibility: Intel: Pentium 4 3.06 GHz (Prescott) Pentium 4 3.2 GHz (Willamette / HT Northwood) Celeron D 3.2 GHz (350) Celeron 2.8 GHz (FC-PGA2)