Hardware BCH ECC corrects errors up to 66-bit/1KB for superior data retention and drive health.StaticDataRefresh technology manages free space, gradually refreshing data across the SSD over time, enhancing data integrity.Global wear leveling algorithm automatically distributes data evenly and manages program/erase count, maximizing SSD lifespan.The Aura Pro 6G SSD features a suite of industry-leading controller technologies for performance and reliability. Plus for the upgradeable models, unlike an upgrade from the factory at the time of purchase, this OWC bundle includes an Envoy to keep that factory flash module working for you as a super fast, external storage solution. Just like other OWC upgrades, we include a free 'how-to' video to make this an easy and money-saving DIY upgrade. 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. High-Performance Internal Flash Storage Upgrade

Upgrade Kit with Drive, Install Tools, + Envoy Pro for Easy Data Transfer/Original Drive Reuse OWC's Aura Pro SSD provides upgrades from the original factory options for MacBook Air 2012. OWC 1TB Aura Pro 6G SSD / Flash Internal Drive Upgrade for 2012 MacBook Air

Macbook air ssd upgrade kit