Dell HH748 Nvidia GeForce 7900 GS Video Graphics Card 256MB Memory PCI-E High Profile Dual DVI + S-Video Chip Set: NVidia GeForce 680 GT, Dell Part Number: HH748, Memory: 256MB GDDR3 1320Mhz SDRAM Interface: PCI Express x16, Full Height Card Connector(s): Dual DVI-I (Digital) and S-Video Requires additional 6-pin ATX Power Requires Minimum 350W Power Supply