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> Not sure what to make of the power cycles stat either. It's mostly plugged in at my desk.

I wonder if that's a battery charge cycle metric. Anyone know?

It's how many times the drive is powered on/off.

It's not. My MBP (non M1) has 28,891. The battery would be dead as a doornail. I imagine MacOS just has the ability to put the SSD to sleep when idle.

It does, and it is also configurable in Energy Saver in System Preferences.

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