KFA2 GeForce 8400GS, 512MB. Graphics processor: GeForce 8400 GS, Graphics processor family: NVIDIA, Parallel processing technology support: SLI. Graphic adapter memory: 512 MB, Graphics adapter memory type: DDR2, Memory bus: 64 bit. Interface type: PCI Express 2.0. DirectX version: 10.0, Shader model version: 4.0, OpenGL version: 3.0. Minimum system power supply: 400 W