Thermalright Silver Arrow SB-E Extreme Dual Fan Universal CPU Heatsink Cooler Dimension: Length 155mm x Width 105mm x Height 165mm (without fans) 155mm x Width 130mm x 165mm (with both TY-143 fan installed) Cooler weight: 1114g (including two Fan, without mounting brackets) Heat-pipe: 6mm Sintered Heat-pipe*8 units Cooler Base Material: C1100 Pure Copper with Nickel Plating. Fan TY-143 Length 151mm x Width 26.5mm x Height 141mm