> flash drives (low quality at that) from the 1990s 90s flash is more likely NOR, which doesn't suffer some of the failure modes of NAND. As for NAND, micron

> flash drives (low quality at that) from the 1990s 90s flash is more likely NOR, which doesn't suffer some of the failure modes of NAND. As for NAND, micron would probably not discuss rumors about their technology as fact: https://www.micron.com/~/media/Documents/Products/Presentation/flash_mem_summit_jcooke_inconvenient_truths_nand.pdf https://www.micron.com/~/media/Documents/Products/Presentati... (read disturb on page 19, data retention on page 21)