3 Things to Know About SSD Upgrades on M-Series MacBook Airs
The SSD is permanently soldered to the logic board Apple does not use a replaceable slot or module. The storage is physically attached and cannot be removed or swapped.
You cannot upgrade the storage after purchase Apple offers no official upgrade path, and third-party upgrades require microsoldering that costs more than a new machine. Your only options are external drives, cloud storage, or buying a new laptop.
Buy the storage you need for the next three years Since you cannot change your mind later, configure the MacBook Air with enough capacity for your future needs at the time of purchase.