Designed for Mac 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. SLC caching algorithm accelerates burst performance Global wear leveling algorithm automatically distributes data evenly and manages program/erase count, maximizing SSD lifespan Data refresh technology ensures data integrity, gradually refreshing data across the SSD over time ECC protection combines LDPC hard and soft decoding with advanced algorithm to detect and correct errors throughout the entire SSD data path Advanced security protocols support AES 128/256-bit full-drive encryption 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. Just like other OWC upgrades, we include a free 'how-to' video to make this an easy and money-saving DIY upgrade. More Speed, More Capacity for MacBook Air OWC Aura Pro SSDs provide a noticeable increase in performance over the factory SSDs for all MacBook Air models: Increase capacity up to 16x the 11-inch base model Increase capacity up to 8x the 13-inch base model Get write speeds up to 495MB/s, 27% faster than factory original* Get read speeds up to 530MB/s, 9.5% faster than factory original*