Once again, OWC provides Mac users an upgrade path that delivers phenomenal performance, functionality, and reliability! Whether it's for the base 11" model only offering a 64GB SSD or the base 13" model offering just a 128GB SSD, installing an Aura Pro 6G SSD is the best enhancement for the 2012 MacBook Air. OWC Aura Pro SSDs provide a noticeable increase in performance over the factory SSDs for all MacBook Air models. OWC redesigned its 3rd generation of OWC Aura Pro 6G SSDs with premium 3D NAND Flash and the latest controller technology to operate cooler and consume less power, resulting in improved battery life for your MacBook Air. OWC SSDs are engineered to be the best for Mac, undergoing a rigorous multi-stage lab testing process to deliver absolute reliability at maximum performance long into the future.