Diamond Multimedia Viper HD2600XT. Graphics processor: Radeon HD2600 XT, Maximum resolution: 2560 x 1600 pixels, Processor clock speed: 800 MHz. Graphic adapter memory: 512 MB, Graphics adapter memory type: GDDR3, Memory bus: 128 bit. Interface type: PCI Express x16. DirectX version: 10.0, Shader model version: 4.0, OpenGL version: 2.0. Minimum processor: AMD Athlon/Intel Pentium 4, 2.4 GHz, Minimum RAM: 1024 MB, Minimum hard disk space: 480 MB