Original mid-90s Toshiba "solid state floppy disk" SLC flash: 1M cycles 2000s SLC flash: 100K cycles Modern SLC/pSLC flash: 30-60K cycles 2010s MLC flash: 5-

Original mid-90s Toshiba "solid state floppy disk" SLC flash: 1M cycles 2000s SLC flash: 100K cycles Modern SLC/pSLC flash: 30-60K cycles 2010s MLC flash: 5-10K cycles Modern QLC flash: 300-500 cycles ...and I won't even get into the details of their retention characteristics, suffice to say they subtly redefined them over the years to make the newer numbers better than they really are.