Noctua NH-L9i-17xx, Premium Low-Profile CPU Cooler for Intel LGA1700 and LGA1851 (Brown)

Noctua NH-L9i-17xx, Premium Low-Profile CPU Cooler for Intel LGA1700 and LGA1851 (Brown) Brand: Noctua Fan Size: 92mm Bearing Type: SSO2 Type: CPU Cooler RPM: Max. rotational speed (+/- 10%): 2500 RPM Max. rotational speed with L.N.A. (+/- 10%): 1800 RPM Min. rotational speed @ 20% PWM (+/-20%): 600 RPM Air Flow: Max. airflow: 57.5 m³/h Max. airflow with L.N.A.: 40.8 m³/h Noise Level: Max. acoustical noise: 23.6 dB(A) Max. acoustical noise with L.N.A.: 14.8 dB(A) Heatsink Material: Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating