Dell XPS 15 4K Ultra HD TouchScreen Laptop, Intel Core i7-4712HQ Processor, 16GB Ram, 15.6-inch 4K Touch Screen, 1TB SSD, GT 750M 2GB HD Graphics, Windows 8.1 - Free Upgrade to Windows 10 4th Generation Intel Core i7-4712HQ (6M, up to 3.3GHz), Full size, backlit chiclet Keyboard 16GB Dual Channel DDR3 Memory, 1TB Solid State Drive (Read speeds of up to 530 MB/s, write speeds of up to 445 MB/s) NVIDIA GeForce GT 750M 2GB GDDR5, 61 WHr 6-Cell Battery (integrated), No optical drive 15.6" Touchscreen LED Backlit 4K Ultra HD (3840 x 2160) Display, HD Webcam, AC adapter Windows 8.1 64-Bit, Intel Dual Band Wireless-AC + Bluetooth 4.0