Compatibility nVIDIA 9600 GT nVIDIA 8800 GT/GTS/GTX/Ultra nVIDIA 7900 GTX nVIDIA 7800 GT/GTX nVIDIA 6800 GS/GT ATi X1950 PRO/XT/XTX ATi X1900 GT/XT/XTX ATi X1800 GTO/XL/XT ATI HD 3870 Dimension (L)180.5 x (W)98.5 x (H)30 mm Heatsink Material Copper base & Copper Fin Heatpipe 6 mm x 2pcs Fan Dimension 80 x 15 mm x 2pcs Fan Speed 2500 RPM Noise Level Max. Air Flow 23.8 CFM Rated Voltage 12V MTBF 50000 Hours Power Connector 4-pin Weight 324 g