MASSCOOL 70mm Cooling Fan FD07015S1M3/4 MASSCOOL FD07025S1M3/4 70mm Case Fan, Compatibility: Case Fan, Size: 70mm. Bearing Type: Sleeve, RPM :370010% RPM, Air Flow: 28 cfm at 3700 RPM, Noise Level: 29.7 dBA, Power Connector: 3 / 4 pin, Color: Black. Physical Spec: Dimensions: 70 x 70 x 15mm, Manufacturer Warranty: Parts and Labor : 1 year limited .