World s lightest 14 business ultrabook ultrathin. Ultralight. Ultra-tough. For the average ultrabook these attributes may sound like a contradiction. But the new x1 carbon is far above average. It features a carbon-fiber reinforced chassis and passes durability tests in extreme environments. Plus it delivers more than all-day battery life includes faster more powerful storage performance and has innovative docking options available including wireless. Brand: Lenovo Group Limited Size: []