Dell Latitude E6520 Intel Core i5-2520M X2 2.5GHz 4GB 320GB DVD+/-RW 15.6'' W7Pro Intel Core i5-2520M 2.5GHz; 320GB SATA; 4GB DDR3 15.6" LCD display; 1920 x 1080; Intel HD Graphics 3000 802.11B,802.11G,802.11N; Bluetooth 3.0 + HS; Microsoft Windows 7 Professional Backlit Keyboard; SuperMulti-DVD Burner; 6 Hours Battery Life Integrated Intel HD Graphics 3000 w/ Nvidia NVS 4200M