Lenovo ThinkPad 11E-G1 Business Notebook, Black Powered by the Intel N2940 1.83GHz Quad-Core processor for impressive performance results and energy efficiency. 11.6" HD LED-backlit display with 1366 x 768 resolution showcases movies and games in stunning clarity 4GB DDR3 memory For multitasking power 500GB SATA Hard Drive has plenty of space to store your digital albums, music library and rich media files Enhanced viewing with the integrated Intel HD graphics. Operating System - Windows 7 Professional