Performance & battery · Performance modes
Does Storage Studio remember the performance mode I picked?
Short answer: Yes. Your chosen performance mode is saved and survives quitting, restarts and updates. If it's Automatic, the setting stays Automatic while the level it picks changes with your Mac's conditions.
Yes. The mode you choose in the Storage Profile's performance menu is saved and stays in place after you quit, restart your Mac or update the app, until you choose a different one.
If you chose Automatic, the setting stays Automatic while the level it picks keeps changing with conditions — that's why the label may read Auto · Good one moment and Auto · Light the next. See what Auto · Good means.