DELL Notebook Studio 1557 15.6” WXGA HD (1366x768) LED, Intel Core i7 720QM 1.6GHz(2.8 GHz Turbo Mode, 1333MHz, 6MB), 4GB DDR3 RAM, 500GB HDD, 8X DVD+/-RW, 512MB ATI Mobility Radeon HD 4570, BT, Wi-Fi N, Web Cam, 6-cell, Win7 HP 64 En,black