Once again, OWC provides Mac users an upgrade path that delivers phenomenal performance, functionality, and reliability! Whether it's for the base 13" model only offering a 128GB SSD or the base 15" model offering just a 256GB SSD, installing an Aura Pro 6G SSD is the best enhancement for the MacBook Pro with Retina display. Just like other OWC upgrades, we include a free 'how-to' video to make this an easy and money-saving DIY upgrade. 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 Pro. 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.