Lenovo ThinkCentre Desktop PC E63Z (10E00027US) Intel Core i3 4005U (1.70 GHz) 4 GB DDR3 500 GB HDD 19.5" Intel HD Graphics 4400 Windows 7 Professional 64-Bit Intel i3-4005U 4 GB DDR3L SDRAM 500 GB 7200 rpm Hard Drive0 GB Solid-State Drive 19.5-Inch Screen, Intel HD Graphics 4400