Dell Latitude E5520 15.6" LED Notebook - Intel Core i5 i5-2520M 2.50 GHz (469-0243) Intel Core i5-2520M (2.50GHz, 3MB Cache) 15.6 inch HD (1366x768) Anti-Glare LED Memory 2GB2 DDR3 SDRAM at 1333MHz 320GB hard drive (5400RPM), 8X DVD +/- RW Drive Genuine Windows 7 Professional 32-Bit