MASSCOOL 90mm Ball CPU Cooler 8W501B1M3G MASSCOOL 8W501B1M3G CPU Fan & Heat sink, Fan Size:90mm, Compatibility: Intel: Pentium 4 ~ 3.8GHz (LGA-775 Prescott) Celeron D ~ 3.06GHz (345J) Bearing Type: Ball, RPM:2400+/-10% RPM , Air Flow: 41.15 CFM at 2400 RPM, Noise Level: 26.2dBA, Power Connector: 4 Pin, Color: Black , Heat sink Material: Aluminum Physical Spec: Fan Dimensions: 90 x 90 x 25mm, Heat sink Dimensions: 90 x 90 x 38mm, Features: Copper base insert, Dual Aluminum Radial fin design, and 3 pin connector. Manufacturer Warranty: Parts and Labor : 1 year limited Rated Speed: 2400 rpm Air Flow: 41.15 CFM At 2400 rpm Life Hours: 50,000 Hours Noise Level: 23.0 dBA Bearing Type: Ball Bearing Application: P4 upto 3.8GHz (LGA775 Prescott); Celeron D ~3.06GHz (345J) Copper Base Insert, Dual Radial Fin Design, & 4 Pin Connector