XpertVision GeForce® 8400GS Super. Graphics processor: GeForce 8400 GS, Maximum resolution: 1920 x 1200 pixels, Graphics adapter RAMDAC: 400 MHz. Graphic adapter memory: 512 MB, Graphics adapter memory type: DDR2, Memory bus: 64 bit. Interface type: PCI Express x16. Shader model version: 4.0, OpenGL version: 2.1. Compatible operating systems: Windows XP/Vista/7