PNY Quadro FX4800 MAC. Graphics processor: FX 4800, Maximum resolution: 2560 x 1600 pixels, Maximum analog resolution: 2048 x 1536 pixels. Graphic adapter memory: 1536 MB, Graphics adapter memory type: GDDR3, Memory bus: 384 bit. Interface type: PCI Express x16. DirectX version: 10.0, OpenGL version: 2.1. Minimum RAM: 2048 MB