Diamond Multimedia Steath X1550PRO. Graphics processor: Radeon X1550 Pro, Maximum resolution: 2560 x 1600 pixels, Processor clock speed: 450 MHz. Graphic adapter memory: 256 MB, Graphics adapter memory type: DDR2, Memory bus: 128 bit. Interface type: PCI Express x16. DirectX version: 9.0, Shader model version: 3.0, OpenGL version: 2.0. Minimum processor: AMD Athlon, Intel Pentium III, 2.4 GHz, Minimum RAM: 512 MB, Minimum hard disk space: 480 MB