Dell Latitude E6520 16-Inch LED Notebook (Intel Core i7 i7-2640M 2.80 GHz, 4GB DDR3, 320GB HDD, DVD-Writer, Intel HD 3000 Graphics, Bluetooth  Windows 7) Dell Latitude E6520 Core i7 2640M 2.8GHz 8GB 320GB Intel/nVidia 15.6" Win 7