Why do HDDs mostly have the same speed as 5400, 7200, 10000 RPM?

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00:00 Question
00:37 Accepted answer (Score 43)
02:14 Answer 2 (Score 9)
03:32 Answer 3 (Score 8)
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Full question
https://superuser.com/questions/356799/w...

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Tags
#harddrive #speed

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