Foxconn NVIDIA GeForce 8400GS 128MB PCI Express. Graphics processor: GeForce 8400 GS, Maximum resolution: 2560 x 1600 pixels, Processor clock speed: 450 MHz. Graphic adapter memory: 128 MB, Graphics adapter memory type: DDR2, Memory bus: 64 bit. Interface type: PCI Express. Shader model version: 4.0, OpenGL version: 2.0. Compatible operating systems: Windows Vista