Dell Optiplex 780 Tower, Windows 7 Professional 64Bit, Fast and Powerful 2.93GHz Core2 Duo Processor, 4GB DDR3 High Performance Memory, Large 500GB SATA Hard Drive, DVDRW/CDRW
Dell Optiplex 755 Desktop PC 2.13GHz Intel Core 2 Duo processor, 2GB DDR2 Memory, GB SATA 80 GB Hard Drive, Windows XP Professional : Desktop Computers : Computers & Accessories