This 13.3-inch model of the MacBook Air (MD760LL/B) sports up to 12 hours of battery life, a 1.4 GHz Intel Core i5 dual-core processor (with a Turbo Boost of up to 2.7 GHz), 128 GB of flash memory storage, and 4 GB of RAM. It also includes both a high-speed Thunderbolt port and two USB 3 ports, enabling you to easily connect to external displays and a wide variety of high performance peripherals. The MacBook Air is powered by OS X Mavericks, the world's most advanced operating system and built to bring out the best in your Mac. And the MacBook Air comes pre-loaded with the latest version of the iLife software suite (iPhoto, iMovie, and GarageBand) as well as the iWork productivity suite (Pages, Numbers, and Keynote). Up to 12 Hours of Battery Life Power through your whole work day with the 13.3-inch MacBook Air, which delivers