EVGA GeForce GT 220 512 MB DDR2 PCI Express 2.0 VGA/DVI/HDMI Graphics Card, 512-P3-1220-LR PCI Express 2.0 GeForce GT 220 with 625 MHz core clock 512 MB of DDR2 memory 1000 MHz memory clock and 1360 MHz shader clock Windows XP, Windows Vista and Open GL 3.1 Support