https://wccftech.com/you-can-upgrade-mac-studios-ssd-but-it-requires-an-ipsw-restore-after-the-process/

Apple launched its Mac Studio computer at its Spring event and it was received pretty well. According to the teardown, it was discovered that the SSD is user-upgradeable since it was not soldered in place. However, Apple placed a software barrier for users which disallowed them to upgrade the SSD on the Mac Studio. Well, it has now been discovered that users can upgrade the SSD on their mac Studio but the operation requires an IPSW restore after the job is done. Scroll down to read more details on the subject.

The SSD on the Mac Studio can be easily replaced since it is not soldered to the board. Users can easily find a compatible replacement and upgrade themselves at home. However, the process is not as seamless as it sounds which we will talk about later on. The Mac Studio teardown reveals that each unit contains two internal SSD slots which can be easily swapped.