Gigabyte Radeon HD 2600XT 256Mb, PCI-E. Graphics processor: Radeon HD2600 XT, Maximum resolution: 2560 x 1600 pixels. Graphic adapter memory: 256 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 requirements: Pentium 4/III/II/Celeron, AMD K6/Duron/Athlon/Athlon XP;