NVIDIA GeForce 6800 GTO R7240 Video Graphics Card Chip Set: NVidia GeForce 6800 GT Memory:256-bit 256MB GDDR3 SDRAM Interface: PCI Express x16; Full Height Card Connector(s): Dual DVI-I (Digital); Enviroments: Windows 98, Me, 2000, XP SLI Ready. Connect 2 6800s together to boost performance