Dell Optiplex GX260 Tower Computer P4 2Ghz, 512MB, 40GB, CDRW/DVD Combo, XP Professional, 1 Year Warranty Dell GX260 Full Tower System Intel Pentium 4 2Ghz CPU 512MB DDR RAM, 40GB IDE HD, CDRW/DVD Combo ( Burns CDs & Plays DVDs) Front & Rear USB Ports, 1 Year Warranty with Technical Support Microsoft Windows XP Professional with CD & Authorized COA