Lenovo ThinkPad Edge E431 62775AU 14 LED Notebook Intel Core i5-3230M 2.6 GHz 4GB DDR3 500GB HDD DVD-Writer Intel HD Graphics 4000 Windows 7 Professional 64-bit Matte Black Brand NEW, Packaging : Retail 1 Year Mfg Warranty Lenovo 62775AU Lenovo ThinkPad Edge E431 62775AU 14 LED Notebook Intel Core i5-3230M 2.6 GHz 4GB DDR3 500GB HDD DVD-Writer Intel HD Graphics 4000 Windows 7 Professional 64-bit Matte Black