Depending on the design of the flash, the storage temperature, and other factors that data can rot. Please see [1] for one source. [1] https://www.ibm.com/su

Depending on the design of the flash, the storage temperature, and other factors that data can rot. Please see [1] for one source. [1] https://www.ibm.com/support/pages/flash-data-retention-0 https://www.ibm.com/support/pages/flash-data-retention-0