Dell Optiplex GX280 Tower Computer P4 3.2Ghz,1GB RAM, 160GB HD, CDRW/DVD Combo, XP Professional, 1 Year Warranty Dell GX280 Full Tower System Intel Pentium 4 3.2Ghz CPU 1GB DDR2 PC 3200 RAM 160GB IDE Hard Drive CDRW/DVD Combo Drive