Dell Precision T3500 Workstation Xeon Quad Core 3.2GHz 12GB RAM 300GB HD DVDRW Windows 7 Pro 64Bit nVidia Quadro 4000 GPU Dual Display Port Dell Precision T3500 Workstation Xeon Quad Core 3.2GHz W3565 12GB RAM, 300GB Hard Drive DVDRW, 8 USB Ports, nVidia Graphics Windows 7 Pro 64Bit