The Envoy offers the perfect companion storage solution for your MacBook AirGet the ultimate combination of elegance and functionality in a sleek, portable external storage solution designed to complement the MacBook Air - in both appearance and performance. Its super-speed USB 3.0 interface is capable of speeds up to 500MB/s to ensure your workflow moves as fast as you do, and is backwards compatible with USB 2.0. Its bus-powered design means no AC power adapter is required making it an ideal portable Plug and Play solution – just plug the USB cord into your computer and the Envoy is ready to go.More OptionsOnce again, OWC provides Mac users an upgrade path that delivers higher performance, functionality, and reliability! With the 2012 base model 11" MacBook Air only offering a 64GB flash module and the base 13" model offering just a 128GB flash module, installing an Aura Pro 6G flash module can increase storage capacity up to 8X higher! 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!Better by Design"Mean Time To Failure" - We all know that nothing lasts forever. But that doesn't mean you shouldn't get the most out of your investment. OWC SSD with DuraWrite™ Technology, optimizes writes to the flash memory over conventional controllers increasing the overall endurance and reliability of the complete SSD. Highly intelligent block management and wear leveling also extends the overall endurance. This adds up to a MTTF that is higher than most SSDs and enterprise class hard drives on the market today.Series Aura ProDesign 2,5 inchCapacity 480 GBInterfaceinternal Serial ATA/600Maximum Data Transfer RateRead 503 MB/sWrite 501 MB/sPower ConsumptionRead / Write 3 watt(s)Idle 1.2 watt(s)Product dimensions 70 x 9.5 x 100 mmWeight 80 grams