NVIDIA P455 GeForce 7900 GS 256MB GDDR3 Memory 1320Mhz SDRAM PCI-E Dual DVI + S-Video High Profile, Video Graphics Card Chip Set: NVidia GeForce 680 GT, NVIDIA Part/Model # P455, 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