The new MacBook Air is up to 2.5x faster than before.1 It features the latest Intel Core processors, high-speed Thunderbolt I/O, a backlit keyboard, and OS X Lion, the next major release of the world s most advanced desktop operating system. MacBook Air also comes standard with flash storage, so it boots up in seconds, launches apps quickly, and wakes from sleep in an instant. And a long-lasting battery powers MacBook Air for up to 7 hours and offers up to 30 days of standby time.2 All in a durable unibody design that s thin, light, and ready for anything.