Gigabyte GV-RX16P256DE-RH. Graphics processor: Radeon X1600 Pro, Maximum resolution: 2048 x 1536 pixels. Graphic adapter memory: 256 MB, Graphics adapter memory type: DDR2, Memory bus: 128 bit. Interface type: PCI Express. DirectX version: 9.0c, Shader model version: 3.0, OpenGL version: 2.0