Dell Latitude E5540 Business Laptop Core I5-4200u 1.6 Ghz, Windows 7 Professional 64 Bit, 4 Gb Ram, 320 Gb Hard Drive, Dvd-writer Intel Core i5-4200U 1.60GHz Processor 4GB DDR3 RAM, 320GB Hard Drive Dell HD (1366x768) Wide View Anti-Glare WLED-backlit Intel HD 4400 Graphics, DVD+/-RW Windows 7 Professional 64-bit,