Apple MacBook Air Mid 2012 13in 1.8GHz 4GB RAM 256GB SSD DANISH KB . Processor Type Core i5 (I5-3427U). MacBook Air Mid-2012 Specs. MacBook Air (Mid-2012) Specifications. Turbo Boost Up to 2.8 GHz. Built-in Display 13.3" Widescreen (1440x900 native resolution).