All in one kit design to provide trinity bore diameter type design.The cooler are compatible for VGA card in Nvidia and ATI series. Aluminum and arc modeling Heat sink with LED light design. Easy to installation Compatibility: ?79.7 mm: Nvidia GeForce 4 Ti 4200/ 4800. FX5900/ 6200/ 6600. 7300GS/ 7300GT/ 7600GS. 8500GT. ?54.8 mm Nvidia Geforce MX400. 6200/ 6500/ 7100GS/ 7200GS/ 7300LE/ 7300GS. 8400GS ATI : RADEON 9200SE/ 9250/ 9550/ 9600. X300/ X550/ X600/ X700/ X1050 ?61.1 mm ATI : HD 2400 (PS; please consult the exact bore of diameter of your VGA card before the installation.) Specification DC Fan Size: 50 x 50 x 10mm Material : Aluminium Bearing Type : Ever Lubricate bearing type (Long life bearing) Rated Speed : 4000 10%RPM Rated Voltage : 12 V.DC Noise Level : 20 dBA Weight : 40 g