An in-depth hunt through both 11- and 13-inch MacBook Air units has shown that Apple is still using some of its older solid-state drives. While one 11-inch model owned by tldtoday has the newer Samsung models that provide peak read speeds of 264MB per second, one example of the 13-inch ultraportable was using the earlier Toshiba X-Gale drive, where speeds dipped to 208MB per second.