I have a MacBook Air 11-inch 2010 originally equipped with a 128GB SSD. Although initially the SSD does wonders especially in record time between standby and active modes of the computer, eventually the lack of storage capacity becomes increasingly heavy. If at the time of purchase of an SSD 480go was prohibitive, it's no longer the case. I bought this kit that came with all the tools necessary to swap the original disk with the new AURA. Once out of the box, the drive is formatted as Mac, and after cloning OSX, it took me 10 minutes to inter change of the two disks. In the result, after an hour and ten minutes cloning of intervention, I end up with a MacBook Air as new with enough space to store all my media. At this price I do not regret it because I end up with a "racing machine" for less than half of a new computer.
And nothing to spoil the original disc is found in the outer casing, which for once lets me enjoy 128GB External SSD. A must for the price.