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Best external SSD for high-uptime use?
(lemmy.sdf.org)
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this post was submitted on 21 Sep 2023
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I’m going go against the grain and recommend a spinning disk for your situation. Writing backups and serving files will likely be overkill with and ssd. Depending on your version of pi you might even saturate the USB bus before you get anywhere near the speed your ssd provides. I’ve been using WD 2.5” spinners on a pi for the very purposes you describe for years.
We are almost to the point where its the same cost for SSD. You can get an 8tb drive for $370 now and it won't always be spinning and wasting 4-7W forever. For me, with high electricity costs, it was a no brainer to get a few of these and they will pay the difference within a year or two. I got them on sale for $320 each.
Yeah, fair point, I think this thing still has USB 2.0, so maybe a spinner is the way to go. Someone reminded me that USB drive caddies exist, so I think I'll go with that and a hard disk, just to make it more flexible should I ever need to use the drive in another machine or replace it. Thanks for the help!
I can tell you from experience I have a Samsung T5 (500GB) that has over 95TB of writes over 5+ years to it and it's only used up 17% of its spare blocks. The T7 which is the newer model is like $40, I'd just get one of those. They're very reliable, I've bought a few and none of them have failed. The larger drives have more spare blocks and are even more resistant to writes.
Personally I would recommend a portable SSD, over a HDD as I've had several HDDs fail but never lost an SSD, BackBlaze backs this up with their total drive failure statistics being 2.5% for HDDs and under 0.5% for SSDs. Your real danger will be that a portable drive is guaranteed to get jostled and an SSD is far more resilient to that.