Backblaze Posts Details On Hard Drives That Fail The Least

If you’re shopping around for a hard drive, you care about its reliability because even though you religiously back up your data (you do back up don’t you?), you don’t want that drive to fail.

Enter Backblaze. They’re a loud backup company and they just posted information on drive failure rates that I think you’ll find very interesting. They currently have over 27,000 consumer grade drives in use at any given time that come from the following vendors:

  • 12,000 drives from Seagate
  • 12,000 drives from Hitachi
  • 3,000 drives from Western Digital
  • A small amount of drives from Toshiba and Samsung that don’t factor into this report because the number of drives in use is too small

Their study indicates the following:

  • Hitachi has the lowest overall failure rate which is 3.1% over three years.
  • Western Digital has a slightly higher failure rate which is 5.2%. These drives if they fail at all, fail early in their life.
  • Seagate drives fail much more often at a rate of 26.5% and they tend to die by the three-year mark.

Backblaze buys drives the way you and I do which is they get the cheapest consumer-grade drives that will work for what they need them to do. Thus this is a handy report because it is a good predictor of the lifespan and quality of the drives that you buy. I for one will be recommending that my customers use Hitachi drives along with the Western Digital drives that I’ve been recommending for a few years now as clearly those drives have the best reliability.

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