ThinkPad Edge E431 62775AU 14" LED Notebook - Intel Core i5 i5-3230M 2.60 GHz - Matte Black (Open Box) Optical Drive: SuperMulti 8X DVD+/-R/RW Dual Layer Hard Drive: 500GB 7200rpm Hard Disk Drive RAM: 4GB (1x4GB) DDR3 1600MHz Processor: Intel Core i5-3230M Dual Core Processor (3M Cache, 2.60GHz - 3.20GHz) 35W