PNY QUADRO FX 5800 SDI. Graphics processor: FX 5800, Maximum resolution: 2560 x 1600 pixels. Graphic adapter memory: 4000 MB, Graphics adapter memory type: GDDR3, Memory bus: 512 bit. Interface type: PCI Express x16. DirectX version: 10.0, Shader model version: 4.0, OpenGL version: 2.1. Minimum RAM: 1000 MB, Minimum hard disk space: 100 MB, Minimum system power supply: 189 W