NAND-based digital flash data storage devices such as SD,SSD,USBstick,eMMC,UFS,etc. do have transistors, where the small amount of electrical charge does slowly leak over time, resulting into data loss when inactive for excessive time spans. Heat does accelerate that process.
In order to recharge the transistors, do I need to actually read the data like on HDDs, or does the storage just need electrical power supply?
And if the latter one is true, how many seconds or minutes does the NAND storage need power supply? Does 5.3V instead of 4.9V make any difference?
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