Noctua NH-U9DXi4 92mm SSO2 CPU Cooler

Noctua NH-U9DXi4 92mm SSO2 CPU Cooler Brand: Noctua Fan Size: 92mm Bearing Type: SSO2 Type: Fan & Heatsinks RPM: 1600 RPM +/-10% (MAX) 1300 RPM +/-10% w/ L.N.A 300 RPM +/-10% (PWM) Air Flow: 37.85 CFM w/o L.N.A 30.96 CFM w/ L.N.A Noise Level: 17.6 dB(A) w/o L.N.A 13.1 dB(A) w/ L.N.A Heatsink Material: Aluminum