The M4 Mac mini came with a surprise — a slotted and upgradeable SSD. Here's how to install one, get it running, what to expect for speed, and what's happened in the last eight months since upgrading.

What if upgrading your Mac Mini’s storage could transform how you work, create, or play—but the path to doing so feels like a maze of options and trade-offs? Whether you’re running out of space for ...