VisionTek HD 3850. Graphics processor: Radeon HD3850, Maximum resolution: 2560 x 1600 pixels, Processor clock speed: 670 MHz. Graphic adapter memory: 512 MB, Graphics adapter memory type: GDDR3, Memory bus: 256 bit. Interface type: AGP 8x. DirectX version: 10.1, Shader model version: 4.1. Minimum system requirements: CD-ROM, Minimum processor: Pentium 4, AMD Athlon/Duron/Athlon XP, Minimum RAM: 512 MB