There are a multitude of storage options, and you're likely to come across eMMC and SSD storage types when shopping around, but which is right for you?

Theoretically, if I were to tear down my iMac, and I wanted to replace the SSD part of a Fusion Drive with a larger part, could I take just the SSD out, put it in adapter, and then dd the contents ...

The teardown reveals that the SSD uses an M.2 2230 form-factor slot in every configuration of the Steam Deck, including the most affordable 64GB model which includes eMMC storage.