MacBook Air 13" 2011 1,7GHz i5 Highsierra

Introduced in July 2011, the MacBook Air (13-inch, Mid 2011) was based on Intel's next-generation "Sandy Bridge" architecture, and improved on its predecessor, the MacBook Air (13-inch, Late 2010) with faster processors and graphics, a backlit keyboard, and the inclusion of Apple's new Thunderbolt port. It shipped in two configurations:1.7 GHz Dual-Core Intel Core i5, 128 GB SSD, 4 GB of RAM, $13991.7 GHz Dual-Core Intel Core i5, 256 GB SSD, 4 GB of RAM, $1599Build-to-order options for the high-end model included a 1.8GHz Dual-Core Intel Core i7. The MacBook Air (13-inch, Mid 2011) was replaced in June 2012 with the MacBook Air (13-inch, Mid 2012)