eMachines EL1600-01 Energy Efficient Windows XP Service Pack 3 Desktop PC Computer with Keyboard and Optical Mouse Contents - eMachine EL1600-01 Desktop PC, Optical Mouse, PS/2 Keyboard Software Bundle - Windows XP Home with Service Pack 2, Microsoft Works, Microsoft Office Home and Student 2007 60-Day Trial Norton Internet Security 2009 60-Day Trial, 1-Year Limited Warranty Intel Atom 230 1.6 GHz Processor; 512 KB L2 Cache 1024 MB DDR2 RAM; 160 GB SATA Hard Drive