NZXT Technologies Respire T20 Cooling Fan, Silver RC-RST20-01 Stacked aluminum fins for maximum heat dissipation and anti-vibration rubber pads for sound absorption. Equipped with one 120mm fan with fan speeds up to minimal 1300+/-10% and high 1800+/-10% RPM. Heat pipes applied using a patented manufacturing process that allows for the maximum amount of pipes in the minimum amount of area. One 8mm and two 6mm seamless direct touch heat pipes catalyzing heat transfer while providing super-efficient conductivity. Universally compatible to Intel Socket: 2011/1366/1156/1155 /775 and AMD Socket: FM1/AM3+/AM3/AM2+/AM2 Materials: Aluminum Fins and Copper Heat Pipes/Dimensions: 124 (w) x 160 (h) x 65 (d) mm/Heat Pipers Diameter: 1x8mm and 2x6mm/Fin Thickness: 0.4mm/Fin Gap: 2.2mm Weight: 310g (Heatsink) and 510g (Heatsink with Fan)/Fan Dimensions: 120(w) x 120(h) x 25(d) mm/Fan Speed: 1800+/- 10% RPM (high)/1300+/-10% RPM (Low, With Speed Adapter) Fan Air Static Pressure: 2.26 mmH2O/1.7mm H2O/Fan Air Flow: 68.8 CFM/49.3 CFM/Fan Noise Level: 34.0 dBA/26.5 dBA/Fan Bearing: Sleeve Bearing/Fan Life: 20,000 Hours/Fan Connector: 3-Pin