ATI Radeon X1600 Pro 512MB GDDR2 D-Sub S-Video DVI PCI-Express x16 Graphics Video Card 102A6761114.ATI GPU Model Number: Radeon X1600 ProATI Part Number: 102A6761114Compatible Part Numbers: 109-A67631-12Specifications:Interface: PCI Express x16Chipset Manufacturer: ATIGraphic Processor Model: Radeon X1600 Pro PixelPipelines: 12Memory Size: 512MBMemory Interface: 128-BitMemory Type: GDDR2RAMDAC: 400MHz3D API:DirectX 9OpenGL 2.0Ports:1 D-SUB1 DVI1 S-VideoVIVO: NoDual-Link DVI Supported: YesMax Resolution: 2560 x 1600CrossFireX Support: YesCooler: With FanWindows Vista: YesOperating Systems Supported: Windows XP, XP x64, MCE 2005System Requirements:PCI Express based PC is required with one x16 lane graphics slot available on the motherboard 350-Watt power supply or greater recommended (assumes fully loaded system) 512MB of system memory