Apple MMGG2LL/A MacBook Air 13" Early 2015 Core i7 2.6GHz 8GB RAM 512GB SSD.

It includes 512GB Flash Storage Solid State Drive,
8GB of RAM, and a very powerful 2.2Ghz CORE i7 processor
with automatic "TURBO BOOST" speed of up to 3.3Ghz for heavy work loads.