Lenovo Open Box ThinkPad T430u 14" Ultrabook PC - 3351-8EU In the Box - Lenovo ThinkPad T430u, Integrated 3-cell Li-Polymer Battery (up to 7.1 hours), AC Adapter; Preinstalled Software - Windows 7 Professional 64 Edition preinstalled through downgrade rights in Microsoft Windows 8 Pro 64-bit, 1 Year Limited Warranty Intel Core i5-3317U 1.7GHz Dual-Core Processor with Turbo Boost Technology 2.0 up to 2.6GHz 3MB Smart Cache 4GB PC3-12800 1600MHz DDR3 RAM 500GB (7200RPM) Hard Drive + 24GB mSATA Solid State Drive (SSD)