Lenovo Ideapad Y550 15.6-Inch Laptop Intel Core 2 Duo processor T6500 (2.1GHz/800MHZ/2M) 4GB 204-Pin DDR3 SO-DIMM RAM 320GB 5400RPM SATA Hard Drive, Dual Layer DVD Recordable Microsoft Windows Home Premium, 4 Hour Battery Life 15.6" HD LED backlight display, Intel GMA 4500MHD Graphics