"SSDs simply shouldn’t be relied upon for long-term storage."
Unless you live in Death Valley with no AC, your data will not disappear from your SSD in a few days. And likely not even then.
www.pcworld.com
Answer (1 of 25): SSDs store information as electrical charges in floating gate transistors. There’s a tiny, tiny bit of electrically conductive material (and when I say tiny I mean smaller than the wavelength of visible light—we’re talking so small you can count the atoms that make it) surrounde...
www.quora.com
"Anyways, the prior answers are accurate-ish: solid-state storage (that based on NAND) loses charge over time. So throwing something on a thumb-drive and forgetting about it is basically rolling the dice. Sometimes you’ll win, sometimes you wont. To be fair, this is a problem on most media. Those data retention lifetimes you see are often optimistic and based on accelerated lifetime tests assuming a well controlled environment. e.g. kept in a low-humidity, temperature controlled environment with a stable power supply, minimal vibration, no human intervention."
"The only way to keep data safe (and there is no foolproof system) is to have a combination of multiple copies* and a process to periodically verify they’re valid."
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Generally a 3-3-3 or 3-2-3 backup plan is recommended. 3 backups in 3 different media types in 3 different locations is the 3-3-3 plan.