Lenovo ThinkPad T420 14" Laptop PC, Intel Core i5-2520M 2.50GHz, 8GB DDR3, 500GB HD, Intel HD Graphics, Windows 10 Lenovo ThinkPad T420 14" Laptop PC Intel Core i5-2520M 2.50GHz (3.20GHz Turbo Boost) 8GB DDR3 Memory Kit 500GB HD & DVDRW Windows 10 Pro