5 Things to Know About M1 MacBook Air Storage Expansion

Thunderbolt 3 is your only expansion path The M1 MacBook Air has no internal storage upgrades, so external drives connect through its two Thunderbolt 3 / USB 4 ports.

An external SSD is the only option After purchase, adding an external SSD is the sole way to increase storage capacity.

Expect slower speeds than internal storage External SSDs won’t match internal drive speeds for heavy workloads like video editing or large file transfers.

It handles everyday tasks well For documents, media, and light file storage, an external SSD performs perfectly fine.

Choose Thunderbolt 3 for best performance Thunderbolt 3 drives offer the fastest external speeds, though USB 4 drives also work and are often cheaper.