HP ENVY 15t Slim Quad Core FHD 1080P Laptop / Intel Core i7-4712HQ / 4GB GeForce 850M Graphics / 16GB / 1TB HDD / External DVD drive / Backlit Keyboard / Windows 8.1 64 4th generation Intel CoreTM i7-4712HQ Quad Core Processor +4GB NVIDIA GeForce GTX 850M Graphics / Windows 8.1 64 15.6-inch diagonal Full HD WLED-backlit Display (1920x1080) 16GB DDR3L System Memory / 1TB HDD Backlit Keyboard / HP TrueVision HD Webcam with Dual Digital Microphone External DVD drive