3 Things to Know About the iMac 24-Inch M1’s Storage

The NVMe controller is built into the M1 chip Apple integrated the NVMe controller directly into the M1 processor, not on a separate drive module. This makes the storage system proprietary.

You cannot swap in a standard SSD The iMac uses a custom SSD module that connects to the M1 chip. Off-the-shelf M.2 or SATA drives are incompatible.

Storage is sealed and non-replaceable If the original drive fails, you cannot replace it with a third-party option. Order the storage capacity you need at purchase, because you are stuck with it.