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

submitted 3 months ago by gedaliyah@lemmy.world to c/selfhosted@lemmy.world

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@lemmy.world 10 points 3 months ago (1 children)

I was gonna say I've never seen a price gap that wide

[–] pearsaltchocolatebar@discuss.online 9 points 3 months ago (1 children)

You can buy a $400 900GB HDD, so OPs price gap is actually pretty narrow.

[–] nichtburningturtle@feddit.org 9 points 3 months ago (1 children)

Forget the price. I've never seen a 900GB drive.

[–] gravitas_deficiency@sh.itjust.works 8 points 3 months ago (1 children)

It’s a common enterprise size

[–] Glowstick@lemmy.world 4 points 3 months ago (1 children)

Why not 1 tb?

[–] gravitas_deficiency@sh.itjust.works 12 points 3 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.

[–] pearsaltchocolatebar@discuss.online 4 points 3 months ago

Likely the same deal with the platter drives too.