PNY NVIDIA Quadro® FX 4800 For Mac. Graphics processor: FX 4800, Maximum resolution: 2560 x 1600 pixels, Graphics adapter RAMDAC: 400 MHz. Graphic adapter memory: 1500 MB, Graphics adapter memory type: GDDR3, Memory bus: 384 bit. Interface type: PCI Express x16. Shader model version: 4.0, OpenGL version: 3.0. Minimum system requirements: PCI Express x16, Minimum processor: Intel Xeon+, Minimum RAM: 2048 MB