Lenovo ThinkPad Edge E420 114157U 14" LED Notebook - Core i3 i3-2310M 2.1GHz - Matte Black (114157U) Box Contents - Lenovo ThinkPad Edge E420, 6-cell Lithium-Ion Battery Pack, AC Adapter; Pre-installed Software - Windows 7 Professional 64, Microsoft Office 2010 preloaded (purchase product key to activate), Norton Internet Security 2011 30-Days Subscription, 1-Year Limited Warranty Intel Core i3-2310M 2.10GHz Processor 3MB Cache 4GB PC3-10600 1333MHz DDR3 SDRAM 500GB (7200RPM) SATA Hard Drive