EVGA GeForce GT 220 1024 MB GDDR3 DVI/HDMI/VGA PCI Express Graphics Card, 01G-P3-1226-LR PCI Express 2.0 GeForce GT 220 with 625 MHz core clock 1024 MB of DDR3 memory 1580 MHz memory clock and 1360 MHz shader clock Windows XP, Windows Vista and Open GL 3.1 Support