Noctua NF-P12-1300 120mm Case Fans Type: CPU Cooler and Case Fan Bearing Type: SSO RPM: Rotational Speed (+/- 10%) 1300 RPM Rotational Speed with L.N.A. (+/- 10%) 1100 RPM Rotational Speed with U.L.N.A. (+/- 10%) 900 RPM Air Flow: Airflow: 54.36 CFM Airflow with L.N.A.:46.23 CFM Airflow with U.L.N.A.:37.33 CFM Noise Level: Acoustical Noise 19.8 dB(A) Acoustical Noise with L.N.A. 16.9 dB(A) Acoustical Noise with U.L.N.A. 12.6 dB(A) Power Connector: 3 / 4 Pin Color: Brown Dimensions: 120 x 120 x 25 mm