MASSCOOL 90mm Cooling Fan FD09025B1M3/4 MASSCOOL FD09025B1M3/4 90mm Case Fan, Compatibility: Case Fan, Size: 90mm. Bearing Type: Ball, RPM :240010% RPM, Air Flow: 45.18 cfm at 2400 RPM, Noise Level:34dBA, Power Connector: 3 / 4 pin, Color: Black. Physical Spec: Dimensions: 90 x 90 x 25mm, Manufacturer Warranty: Parts and Labor : 1 year limited . Bearing Type: Ball Bearing Fan speed: 2,400 RPM +/-10% Fan Noise level: 34.0 dBA Max. Fan Air Flow: 45.18 CFM Rated Power: 2.16 W Power Connector: 3-pin motherboard; 4-pin power supply