ASUS ET2020IUKI-01 All-in-One Desktop 20-inch Windows 7 Pro Intel Core i3 Processor 4GB DDR3 500GB HDD (Discontinued by Manufacturer) Intel Core i3-3220T Processor 2.8 GHz 4GB DDR3 500 GB 7200 rpm Hard Drive 19.5-Inch Screen Windows 7 Professional