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What lasts longer: Data stored on non-volatile flash RAM, optical media, or magnetic disk?

Fresh7 days ago
Mar 15, 20264125 views
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Problem

What lasts longer: Data stored on non-volatile flash RAM (USB stick or SD cards?), optical media (CD, DVD, or Blu-Ray?), or magnetic disk (floppies, hard drives?) My gut tells me optical media, but I'm not sure. Furthermore, which of those digital media would be most suitable for long-term data sto…

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Fix for: What lasts longer: Data stored on non-volatile flash RAM, optical media, or magnetic disk?

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See Recommended Backup Media for Circa 2009? on Server Fault. As for optical media: DAX Archiving provides some whitepapers, which I have not read. But there's one written by Verbatim, claiming More than 100 years projected lifetime for DVD-R Genera…

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