Gigabyte nVidia GeForce GTX285 1GB GDDR3 DVI S-Video PCI-Express 2.0 x16 Graphics Video Card GV-N285UD-1GH.NVidia GPU Model Number: GeForce GTX 285Gigabyte Part Number: GV-N285UD-1GHDell Part Number: D810P 0D810P CN-0D810PSpecifications:Interface: PCI Express 2.0 x16Chipset: GeForce GTX 285Memory Size: 1GBMemory Type: GDDR3Memory Bus: 512 bitMemory Clock Speed: 2484 MHzGPU Core Clock Speed: 648 MHzDirectX: 10Shader Model: 5.0Shader Clock: 1476 MHzOpenGL: 2.1Maximum Resolution: 2560 x 1600 (Digital), 2048 x 1536 (Analog)Ports: 1 S-Video2 DVI-I