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by skykooler 3681 days ago
Unlikely, because while hard drives use magnetic storage (where a few magnetic domains may still point in the direction of the previous magnetization, SSDs store bits in discrete logic gates - meaning that even if there is a trace, the chip would need to be disassembled and the gates examined with an electron microscope one-at-a-time. Furthermore, it's less likely that data can survive a single rewrite, given the mechanism used (instead of bytes being changed in-place, whole blocks are erased completely and then re-written - which means the erasing is less delicate because it doesn't need to avoid flipping neighboring bits).
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This is all irrelevant because there is no way to have a sector on SSD erased for sure. Overwriting relocates, TRIM marks for future deletion, Secure Erase has the unpleasant side-effect of nuking all data and, as typically implemented, also doesn't remove data but only changes internal encryption keys.