KFA2 GeForce 8400GS. Graphics processor: GeForce 8400 GS, Maximum resolution: 2560 x 1600 pixels, Graphics processor family: NVIDIA. Graphic adapter memory: 512 MB, Graphics adapter memory type: DDR3-SDRAM, Memory bus: 64 bit. Interface type: PCI Express 2.0. Shader model version: 4.0, OpenGL version: 3.0. Power consumption (typical): 300 W