MacBook Air 13" Early 2015 Repairability Score: 4 out of 10 (10 is easiest to repair).

Once you manage to take off the bottom cover, all the parts are pretty easily replaceable.

Proprietary screws on the case require the right screwdriver.

All the components—including RAM and SSD—are proprietary.

As with the prior iterations, this MacBook Air's biggest detractor is the lack of upgradeability. The RAM is still soldered to the logic board, and SSDs are not compatible between generations.