Mac storage basics · Checking your storage
How much storage do I need on a new Mac?
Short answer: It depends on what you keep locally: light, cloud-based use fits base storage; local photo libraries, video, development or games need more or an external SSD. Internal storage can't be upgraded later.
It depends on what you keep locally rather than on any single number:
- Light use (web, documents, most files in the cloud) — the base storage is usually workable, with care.
- Photos and music libraries kept locally — choose more, or plan an external drive for libraries.
- Video editing, development, games, virtual machines — these grow fast; more internal storage or a fast external SSD is close to essential.
Remember that macOS, updates, caches and snapshots need headroom too, and internal storage can't be upgraded later on Apple silicon. Many people buy a mid-size internal drive and keep big, less urgent data on an external SSD.