HP Envy - 17t Touch (4th Gen Intel&reg; Core&trade; i7-4510U Processor, 4GB NVIDIA GeForce GTX 850M, Full HD 1080p, 16GB DDR3L RAM, 1TB Hard Drive, 48WHr Battery, Backlit Keyboard, AC WLAN Bluetooth) Windows 8.1 64, 4th generation Intel Core i7-4510U Processor + 4GB NVIDIA GeForce GTX 850M Graphics 17.3-inch diagonal Full HD WLED-backlit Display (1920x1080) - Touchscreen 16GB DDR3L RAM, 1TB 5400 rpm Hard Drive, Beats Audio, HP Control Zone trackpad with multi-touch gesture support 4-cell 48WHr Lithium-ion Battery(long lasting), SuperMulti DVD burner, HP TrueVision HD Webcam with Dual Digital Microphone Backlit Keyboard with Fingerprint Reader, Intel 802.11 AC WLAN and Bluetooth