I wonder whether gparted could do the "secure erase" on an SSD, but I don't have one to play with. Theoretically, a Mac should see a "secure erased" SSD as a brand new one or am I missing something?
Also I found this:
AG
Thursday, June 22, 2023, 5:10:08 AM, Randy B. Singer randy@... wrote:
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There are ways to restore the performance of an SSD that is over-full on Windows. As far as I can tell, there are no similar tools for the Macintosh:
How to Restore SSD to Peak Performance