HDD Failure Rates Based On 124,956 HDDs At Backblaze
Storage Newsletter, February 14th, 2020
February 14, 2020,
Volume 263, Issue 2

Only one to have no failure: 4TB Toshiba model MD04ABA400V

"As of December 31, 2019, Backblaze had 124,956 spinning HDDs. Of that number, there were 2,229 boot drives and 122,658 data drives.

This review looks at the HDD annualized failure rates (AFR) for the data drive models in operation in our data centers. In addition, we'll take a look at how our 12 and 14TB drives are doing and get a look at the new 16TB drives we started using in 4Q19. Along the way we'll share observations and insights on the data presented..."

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