Foxconn NVIDIA® GeForce® 8600 GTS - 256MB, GDDR3. Graphics processor: GeForce 8600 GTS, Maximum resolution: 2048 x 1536 pixels, Processor clock speed: 400 MHz. Graphic adapter memory: 256 MB, Graphics adapter memory type: GDDR3, Memory bus: 128 bit. Interface type: PCI Express. Shader model version: 4.0, OpenGL version: 2.0. Compatible operating systems: Windows Vista