Lenovo ThinkPad laptop PC 2nd Gen X1 Carbon Intel Core i7 (4th Gen) 4600U / 2.1 GHz Max Turbo Speed 3.3 GHz 64-bit Computing Features Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, integrated memory controller New 256GB SSD 8GB RAM 1600 MHz. PC3-12800 DISPLAY LCD Backlight Technology LED backlight Resolution 2560 x 1440 (WQHD) Intel HD Graphics 4400 Realtek ALC3232 Adaptive Function Row sits at the top of the keyboard, finger print reader and more features. Durable carbon fiber and magnesium chassis, the X1 Carbon has passed a number of MilSpec tests, including ones for humidity, extreme temperatures, sand exposure, high altitudes, vibration and mechanical shocks. Windows professional 10 activated New Lenovo charger included Condition is Seller refurbished. Grade A Dimensions 331 x 227 x 17.7 mm (13.03" x 8.94" x 0.70") Weight 1.28 kg (2.8 lbs)