this post was submitted on 17 Nov 2023
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Data Hoarder
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We are digital librarians. Among us are represented the various reasons to keep data -- legal requirements, competitive requirements, uncertainty of permanence of cloud services, distaste for transmitting your data externally (e.g. government or corporate espionage), cultural and familial archivists, internet collapse preppers, and people who do it themselves so they're sure it's done right. Everyone has their reasons for curating the data they have decided to keep (either forever or For A Damn Long Time (tm) ). Along the way we have sought out like-minded individuals to exchange strategies, war stories, and cautionary tales of failures.
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Most external single drive HDD enclosures run on 12 volt via a simple barrel jack. You might consider a dock that can take two drives. Then you can use the 2.5" in combination with a 3.5" drive.
To save power I think you want to avoid having the HDDs spinning all the time. Instead use a large SSD with your computer. Less power. And use the HDDs to replace and update contents on the SSD. You can pack away the dock between uses, together with the HDDs in a padded case.
Here is an example of a 2 drive dock that runs on 12 volts, can use both 2.5" and 3.5", can handle >20TB drives, use USB C and seems generally decent: (I have no personal experience with it.)
https://sabrent.com/collections/docking-station/products/ec-ch2b
When it comes to HDDs, I'd go with drives that have 5 years warranty. Exos? The biggest you can afford.
And a nice padded water proof padded box...