Sparkle Technology 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. DirectX version: 10.1, HDMI version: 1.3a