Sapphire ATI Radeon 2600XT 512 MB. Graphics processor: Radeon 2600 XT, Maximum resolution: 2560 x 1600 pixels, Graphics processor family: AMD. Graphic adapter memory: 512 MB, Graphics adapter memory type: GDDR4, Memory bus: 128 bit. Interface type: PCI Express. DirectX version: 10.0, Shader model version: 4.0, OpenGL version: 2.0. Minimum system power supply: 450 W