Noctua NF-A9x14 PWM, Premium Quiet Fan, 4-Pin (92x14mm, Brown)

Noctua NF-A9x14 PWM, Premium Quiet Fan, 4-Pin (92x14mm, Brown) Type: Case Fan Bearing Type: SSO2 RPM: Rotational Speed (+/- 10%): 2200 RPM Rotational Speed with L.N.A. (+/- 10%): 1700 RPM Min. Rotational Speed (PWM): 500 RPM Air Flow: Airflow: 29.72 CFM Airflow with L.N.A.: 22.42 CFM Noise Level: Acoustical Noise: 19.9 dB(A) Acoustical Noise with L.N.A.: 13.5 dB(A) Power Connector: 4 Pin PWM Color: Brown Fan Counts: 1 Fan