ARCTIC F Pro ARCTIC F Pro is a professional case fan that outperforms other generic case fans in the market. Its noise-performance ratio is superior as it offers high airflow while maintaining quiet operation at the same time. Noise Level F8 : 0.3 SoneF9: 0.4 SoneF12: 0.3 Sone Fan Speed F8 : 2000 RPMF9: 2000 RPMF12: 1500 RPM Airflow F8 : 33 CFM / 56.1 m3/hF9 : 39 CFM / 66.3 m3/hF12 : 54 CFM / 91.7 m3/h Bearing Fluid Dynamic Bearing Dimensions (Packaging) F8 : 82 L x 82 W x 35 H mmF9: 95 L x 95 W x 37 H mmF12: 123 L x 123 W x 40 H mm Dimensions (Product) F8 : 80 mmF9: 92 mmF12: 120 mm Limited Warranty 6 years UPC F8 : 0872767002333F9: 0872767002340F12: 0872767002357 Net Weight F8 : 91 gF9: 103 gF12: 178 g itemnumber AFACO-08P00-GBA01 UPC Gross Weight 0.2 kg