Deepcool Assassin IV CPU Air Cooler – Black – Fan Dimensions: 140x140x25mm – Compatibility: Intel LGA2066/2011-v3/2011/1700/1200/1151/1150/1155, AMD AM5/AM4 – Noise: < / = 29.3dB(A) (Performance), < / = 22.6dB(A) (Quiet) - Airflow: 79.1/58.06 CFM (Performance), 63.76/46.75 CFM (Quiet) - Speed: 500~1700 RPM10% (Performance), 500~1350 RPM 10% (Quiet) - Bearing Type: Fluid Dynamic Bearing - R-ASN4-BKNNMT-G