MASSCOOL SLC-FD12025 120mm Case fan Type: Case Fan Bearing Type: 2 Ball RPM: 800 - 1300 RPM +/-10% Air Flow: 25.1 - 44.7 CFM Noise Level: 17.5 - 21.5 dBA Power Connector: 4-pin power supply 3-pin motherboard Compatibility: Case Dimensions: 120 x 120 x 25 mm