Lenovo ThinkPad X1 Carbon 2nd Gen 20A7002JUS 14" Ultrabook - 1600 x 900 - Core i5 i5-4300U - 4 GB RAM - 180 GB SSD - Black - Windows 7 Professional 64-bit - Intel HD Graphics 4400 - Bluetooth - 8.70 Hour Battery Run Time - ENERGY STAR 6.0, RoHS Compl

YOU TAKE AIM AT THE BOUNDARIES, WE''LL HELP YOU BREAK THROUGH.Whether you''re an overachiever or an up-and-comer, ThinkPad laptops are the tools you need. From the thin-and-light wonder to the heavy-duty mobile workstation, they''re built, tested and enhanced for reliability, durability and speed.TORTURE-TESTEDBaked, battered, blistered.ThinkPad notebooks endure a lot before they ever reach you. We meticulously design many of them to pass rugged military spec tests. We outfit them with spill-resistant keyboards, roll-cage technology and shock-mounted hard drives. And we test them in ways you can''t imagine - baking, battering, blistering and blowing them with sand.