Lenovo ThinkPad X1 Carbon 20FB002LUS 14-Inch UltraBook (WQHD 2560x1440 IPS, Intel Core i7-6600U, 512GB SSD, 16GB, Windows 7 Pro) Intel Core i7-6600U Processor (2 cores, 2.6 GHz up to 3.4 GHz, 4MB SmartCache) with vPro Technology 14" WQHD IPS (2560x1440) Matte, Anti-Glare | Integrated Intel HD Graphics 520 512GB SSD M.2 | 16GB DDR3 1833 MHz Soldered | Backlit Keyboard Intel 8260ac 2x2 WIFI + BlueTooth v4.1 | FingerPrint Reader Pre-Installed Windows 7 Professional 64-bit upgradeable to Windows 10 Pro