WHY CHOOSE THE UPGRADE KIT?
There is a price increase of about $50 between the Aura SSD alone and the Upgrade Kit. If your intentions are cloning/migration, or the transfer of data from the Apple SSD later on, the Upgrade Kit is a necessity. The kit consists of a very well built aluminum external case matching the feel and color of the MBA, and this is of a very simplistic design.
The external adapter WILL NOT work with the included OWC Aura SSD and will only work with the Apple SSD, installation of the Apple SSD being very simple and only requiring a screw to secure the SSD, and two for security of the case.
OWC AURA PCIE SSD INSTALLATION
OWC has always had a particular strength in customer support and these efforts make installation of this SSD pretty much foolproof. It is that easy and they even supply all needed tools with the complete upgrade kit. Turn the MBA off, remove the base screws, remove and replace the SSD inside via a single screw, replace the back, turn on while holding down ‘COMMAND + R’, format and re-install the system. Complete instructions can be found here as well as instructions on cloning here.
Enough cannot be said with respect to the choice of a fresh installation of OS X vice cloning the system for an exact migration. As easy as cloning should be, it has been a point of frustration for many. We have fielded hundreds of pms and e-mails from people asking for help with migrations that have gone wrong, the vast majority having to do a fresh install at the end of the day.
Apple makes it easy to complete a fresh install. All of your purchased software can simply be downloaded onto the system and re-installed through a single click in the App Store under the Purchased menu. Data can simply be moved over. Installing a ‘fresh’ system guarantees that your system is in top shape for the new Aura SSD that was just installed. OWC even provides an easy to follow installation video: