Dell Optiplex Desktop/SFF 4GB Ram/ 160GB HDD/ DVD/CDRW, Restore Windows XP CD/ Keyboard/ Mouse Included This refurbished product is tested to work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a 90-day warranty, and may arrive in a generic box Dell Optiplex Desktop/SFF computer Specs: 2.8Ghz CPU, 160GB Hard Drive, 4GB RAM, DVD/CDRW combo drive Runs: Windows XP Professional 32bit Includes: Keyboard, Mouse, Power Cord, Dell Restore CD for Windows XP