senjoz wrote: ↑Thu Aug 13, 2020 2:43 pmMy understanding of secure erase of SSD disks (or overwriting whole disk with whatever numbers) is that it uses one program/erase count. Program/erase endurance of SSD disks depends on flash type. Years ago it was said that SLC flash can endure 10000 program/erase operations, MLC 3000 and TLC 1000. Nowadays mainstream SSDs use 3D TLC and QLC flash chips and things may be different.
Yes, that may be true but the SSD that I have overwritten with zeros on multiple occasions is a 7 year old Crucial SSD. I am sorry, I did not know any better. I resolve to throw that darn SSD away next time I do a clean install.