PNY NVIDIA® Quadro® FX 550. Graphics processor: FX 550, Maximum resolution: 2048 x 1536 pixels, Graphics adapter RAMDAC: 400 MHz. Graphic adapter memory: 128 MB, Graphics adapter memory type: GDDR3, Memory bus: 128 bit. Interface type: PCI Express. DirectX version: 9.0c, OpenGL version: 2.0. Power requirements: 350 Watt Power Supply, Minimum processor: Pentium 4/Xeon /AMD Athlon/Opteron, Minimum RAM: 256 MB