1. These older chips also generally allow 2 or 3 write cycles per page. 2. Well !, So in this case, Read or write cycles happen all time. 3. :Write cycle limits are a problem but they are improving all the time. 4. A PRAM device may endure around 100 million write cycles . 5. However, CF HDDs had a longer lifespan of write cycles than early flash memories. 6. That was back when the number of write cycles was probably around 1, 000. 7. :Any flash memory based device will have a limited number of read / write cycles . 8. The timespan over which a ROM remains accurately readable is not limited by write cycling . 9. Write-locked Live SD systems avoid excessive write cycles or corruption by ill-conditioned software, such as malware. 10. CompactFlash endurance specifications range, but industrial versions offers the endurance of 2, 000, 000 write cycles .