Lenovo ThinkPad X1 Carbon 3rd Gen (Fall 2015 Edition), 20BS00BAUS: i7-5600U, 16 GB RAM, 14 Inch WQHD Touch Screen, 512 GB SSD, Win 10 Pro, Laptop Latest release (fall 2015) Lenovo ThinkPad X1 Carbon 3rd Generation Configuration 20BS00BAUS - now with 16 GB RAM 512 GB SSD PCIe (fast performance), 14-inch WQHD (2560x1440) Touch Screen Windows 10 Pro 64-bit, 3-year Lenovo Worldwide Depot Coverage (1 year for the battery) Intel Dual Band Wireless-AC 7265AC, 2x2 ANTENNAS, Wi-Fi, BLUETOOTH. UPGRADEABLE TO WLAN (BROADBAND) Intel 5th Generation i7-5600U processor (2.6 GHZ on the base, with up to 3.2 GHZ with Intel Turbo), Only 3.175 pounds