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