Zalman CPU Fan Cooling CNPS80F Dimension: 102.5(L) x 98.7(W) x 48.4(H)mm / Weight: 198g / Material: Aluminum / Fan size: 80mm Bearing Type: FSB (Fluid Shield Bearing) / Fan RPM: 2500rpm 10% / Noise: 23.8dBA / Fan Connecter: 3-Pin Compatibility: Intel LGA 1155 / 1150 /1156 / 775; AMD Socket FM2/FM1/ AM3+ / AM3 / AM2+ / AM2 48.4mm high, small enough to mount into LP(Low Profile) case, perfect for home theater PC, with weight only 198g One of the advanced sleeve bearing FSB (Fluid Shield Bearing) applied to prevent dust and strong cooling performance with 80mm fan which minimized noise Optimized the angle by tilting the fin, helps to increase the airflow, minimize the noise Down blowing type design. Through emitting the air straight from the fan to the motherboard. It cools down not only the CPU but also the components around it Speed: 2500 rpm Noise Level: 23.8 dBA Connector: 3 Pin