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. FEATURES: Read speeds up to 530MB/s Write speeds up to 495MB/s ECC protection Designed for the Macbook Air 2012 Advanced security protocols SPECIFICATIONS: Controller: Silicon Motion SM2258 NAND: Triple-Level Cell (TLC) 3D NAND Flash Form Factor: Custom blade Interface: SATA 6Gb/s Capacity: 243GB useable capacity Total Flash Memory Components: 250GB 7 GB Allocated to real-time data redundancy and error correction Formatted Capacity: 226GiB Native Command Queuing: up to 32 commands RoHS Compliant: Yes Format: Unformatted Dimensions: 10.9 x 2.4 x 0.3 cm Weight: 10 g WHAT'S IN THE BOX: OWC 250GB Aura Pro 6G SSD - Blue x1 (For Macbook Air 2012)