As a result, the failure rate in the third quarter of 2021 was 6.29%, while the failure rate in the fourth quarter dropped to 4.66%. Not only Backblaze but also Seagate and Dell were worried about the fact that 'ST14000NM0138' breaks more frequently than expected, and the failed HDD was investigated by experts, and the third quarter of 2021 A firmware update has been made to. On the other hand, Seagate's 14TB model 'ST14000NM0138' has the highest annual failure rate, with an annual failure rate of 4.79%. In addition, 'ST6000DX000' is the HDD with the lowest AFR among all models in the HDD failure rate statistics in 2020. Backblaze points out that this result is particularly striking given that the ST6000DX000's Avg.Age is the longest of all models, 80.85 months. Seagate's 6TB model 'ST6000DX000' boasts the lowest annual failure rate of all models, with an annual failure rate of only 0.11%. There are 24 HDD models in operation, and the overall annual failure rate (AFR) was 1.01%. This is the HDD failure rate by model from Januto December 31, 2021. Backblaze calculated the failure rate of HDDs, focusing on a total of 202,759 data drives, excluding those used as boot drives and those used for testing. 12:30:00 Statistical data of HDD failure rate by manufacturer and model 2021 version, what was the highest failure rate?īackblaze, a cloud storage service provider, has released the 2021 version of data that summarizes the failure rates of more than 200,000 HDDs used in its data centers.īackblaze added 40,460 new HDDs in 2021 alone, and as of December 31, 2021, it managed a total of 206,928 HDDs.
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