Backblaze Blog » How long do disk drives last? — blog.backblaze.com — Readability: "Why does a company that keeps more than 25,000 disk drives spinning all the time not know how long they last? Backblaze has been providing reliable and unlimited online backup for over five years. For the past four years, we’ve had enough drives to provide good statistics, but 74% of the drives we buy are living longer than four years. So while 26% of drives fail in their first four years, and we have detailed information about the failure rates of drives in their first four years, we don’t yet know what will happen beyond that. So how long do drives last? Keep reading."
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