Noctua NF-A8 PWM, Premium Quiet Fan, 4-Pin (80mm, Brown)

Noctua NF-A8 PWM, Premium Quiet Fan, 4-Pin (80mm, Brown) Type: Case Fan Bearing Type: SSO2 ( Self-stabilising oil-presure bearing ) RPM: 2200 RPM ( standard ), 1750 RPM ( w/ L.N.A ), 450RPM (Mini Rotation Speed) Air Flow: 32.67 CFM (standard), 25.84 CFM (w/L.N.A.) Noise Level: 17.7 dB(A)/standard, 13.8 dB(A)(w/ L.N.A ) Power Connector: 4 Pin Color: Brown Compatibility: CPU Cooler, Water-Cooling Radiator and Case