HP Envy 15.6" 15t Touch Quad Edition Laptop - 4th Gen Intel Quad Core i7 Processor, 8GB Ram, 1TB Hard Drive, Windows 8.1, Beats Audio 4th generation Intel Core i7-4710HQ Quad Core Processor (2.5GHz, up to 3.5GHz),Beats audio 8GB DDR3L System Memory, 1TB 5400 rpm Hard Drive, Windows 8.1 64, Intel HD Graphics 460 15.6" diagonal HD WLED-backlit touchscreen display (1366x768) 4-cell 41WHr Lithium-ion Battery, HP TrueVision HD Webcam with Dual Digital Microphone SuperMulti DVD burner, Standard Keyboard with Fingerprint Reader