Lenovo IdeaCentre Flex 20 19.5-Inch All-in-One Touchscreen Desktop (57323540) (Discontinued by Manufacturer) Intel Core i3-4010U 1.7 GHz Processor 4 GB DDR3 RAM 500 GB 5400 rpm Hard Drive 19.5-Inch Touchscreen Display Windows 8.1; 2-Hour Battery Life