New study reveal a new way to keep flashmemory-disk / SSD in refrigerator / freezer / fridge / cold storage which help to extend flashmemory-disk's lifespan. Data retention time increases exponentially in lower temperatures, so keeping it in a regular +4C refrigerator / freezer / fridge / cold storage is enough to extend retention by decades.
https://www.ni.com/en/support/documentation/supplemental/18/effects-of-temperature-on-ssd-endurance.html
