ULTRAPORTABLE PRODUCTIVITY TOOLSWith their light, slim design and long battery life, X Series laptops travel easily, whether to another meeting or another country. Yet with their legendary ThinkPad performance, you sacrifice nothing in return. X Series First-class experience Smaller footprints and epic battery life make X Series the business traveler''s trusted companion. Their craftsmanship, versatility and robust security features ensure they''re every professional''s preference. A lot of Think ThinkPad has been to the top of Mount Everest, the depths of the ocean, and the canopies of rain forests. NASA embraced the ThinkPad on both the International and the Mir Space Stations. It''s even in the permanent collection at the Museum of Modern Art in NY. No small wonder then, that we''ve sold well over 100 million of these reliable devices-thanks in part to loyal X Series customers. Built to go on and on. And on. We test ThinkPads against 12 military-grade requirements and more than 200 quality checks to ensure they run in extreme conditions. From the arctic wilderness to desert dust storms, from zero-gravity to spills and drops, you can trust your X Series device to handle whatever life throws your way.