Zotac GeForce 8400 GS. Graphics processor: GeForce 8400 GS, Maximum resolution: 2560 x 1600 pixels, Graphics processor family: NVIDIA. Graphic adapter memory: 512 MB, Graphics adapter memory type: GDDR3-SDRAM, Memory bus: 64 bit. Interface type: PCI Express 2.0. DirectX version: 10.1, OpenGL version: 3.2. Power consumption (typical): 18 W