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Backblaze recently announced a review of the lifetime failure rate of current working hard drives in the first quarter of 2020. The result is very certain about who gets to the bottom of the list. Since March 31, 2020, 132,339 hard drives have been spinning in
Backblaze's cloud storage system. However, they only tested 129,764 hard drives in total. Several are excluded from testing because they are used as test units or there are no units with at least 60 given models. The annualized failure rate (AFR) of
in the first quarter was 1.07%, the lowest in any quarter since Backblaze testing began in 2013.
However, from the results, Seagate seems to have the highest failure rate compared to other manufacturers. So if you, like many of us, have a Seagate hard drive in your PC, that would be bad news. 4,444 In these tests, four drive models from three manufacturers had zero failure rates. Neither Toshiba 4TB or Seagate 16TB hard drives failed. However, it is important to note that these driving days in the quarter were less than 10,000.
Even if the number changes slightly, the AFR will be very different. For example, if one of Seagate's hard drives fails, this will push the AFR this quarter to 7.25%.
When it comes to adding new units, the question is: How does Backblaze keep accurate data and averages?
Backblaze uses the following calculation to calculate the failure rate:
AFR = (Drive Failures / (Drive Days / 366) * 100
It will be interesting to see if the same manufacturer appears in next quarter's hard drive review, especially for Seagate Username. It's great to see those hard drives with the least amount of time prove their validity later this year.
Is this data likely to affect the hard drive purchase decision? Would you think twice before buying Seagate? Let us know your thoughts in the comments below.