HP Workstation Z400 (Windows 7 professional, 160GB HDD, Intel Xeon 3.2 GHz, 8GB RAM) The Nvidia Quadro 2000 graphics card creates a good visual experience for the user., which comes in handy for a few 2D games, as well as when watching videos. High Performance home mini-tower, with the graphics card containing 768MB memory 2 PCI connectors audio ports High definition integrated audio makes this machine great for listening to music. Very useful for graphic design and CAD work