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What's the difference between a $50 HDD and a $200 HDD? (self.selfhosted)

submitted 4 months ago by gedaliyah to c/selfhosted

51 comments fedilink hide all child comments

Beginner question: Searching for my first dedicated server setup, and I have no idea what to look for in a hard drive. I see a huge difference between drives of the same capacity, so what makes the difference? I am looking to eventually have a media server that can run "-arr" programs, Jellyfin, Immich, sync music, books, etc.

What are the factors I should be paying attention to other than capacity? Is it a lot of branding and smoke and mirrors, or will I see a significant change in performance/reliability with different drives?

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[–] Glowstick 4 points 4 months ago (1 children)

Why not 1 tb?

[–] [email protected] 12 points 4 months ago (1 children)

For SSDs, enterprise-tier drives typically set aside a lot more dedicated space for wear management. So in many cases, it’s actually a 1TB (or 2 -> 1.8T, etc) drive, but the disk controller/firmware only allows addressing a subset of the “true” capacity.

[–] [email protected] 4 points 4 months ago

Likely the same deal with the platter drives too.