EVGA GeForce GT 220 FTW Edition 1024 MB DDR3 PCI-Express Graphics Card 01G-P3-1228-LR PCI Express 2.0 GeForce GT 220 with 720 MHz core clock 1024 MB of DDR3 memory 1620 MHz memory clock and 1544 MHz shader clock Windows XP, Windows Vista and Open GL 3.1 Support