Noctua NF-A4x10 PWM, Premium Quiet Fan, 4-Pin (40x10mm, Brown)

Noctua NF-A4x10 PWM, Premium Quiet Fan, 4-Pin (40x10mm, Brown) Brand: Noctua Fan Size: 40mm Type: Case Fan Bearing Type: SSO2 RPM: Rotational Speed (+/- 10%) 5000 RPM, Rotational Speed with L.N.A. (+/- 10%) 3700 RPM Air Flow: Airflow 8,9 m³/h, Airflow with L.N.A. 6,6 m³/h Noise Level: Acoustical Noise 19,6 dB(A), Acoustical Noise with L.N.A. 12,9 dB(A)