Sparkle Technology GeForce 8400GS 512MB. Graphics processor: GeForce 8400 GS, Maximum resolution: 2048 x 1536 pixels, Graphics processor family: NVIDIA. Graphic adapter memory: 512 MB, Graphics adapter memory type: DDR2, Memory bus: 32 bit. Interface type: PCI Express x16. Shader model version: 4.0, OpenGL version: 2.0. Minimum system power supply: 300 W