Cloud storage provider Backblaze has published Q4 2016 and full-year hard drive failure rate statistics of the 71,939 production hard drives used solely as data drives.

 

The company maintains another 1,553 HHDs although those are reserved as boot drives and thus, not included in this analysis. Drives that are used for testing purposes and those drive models for which they do not have at least 45 of are also omitted.

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