Lenovo IdeaCentre B550 23-Inch All-in-One Touchscreen Desktop (57321272) (Discontinued by Manufacturer) Intel Core i5-4440 3.1 GHz Processor (6 MB Cache) 6 GB DDR3 RAM 1 TB 7200 rpm Hard Drive 23-Inch Screen, Intel Integrated HD Graphics 4400 Windows 8, 5-hour battery life