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Who makes the most reliable hard drive? Latest BackBlaze survey claims to know

Gordon Mah Ung | May 18, 2016
Seagate's reliability improved dramatically, but Hitachi still rules the roost.

No matter what statistics and failure analysis nerds think of its methodology, there’s still a lot of nuggets of gold. For example, the Seagate 3TB model ST3000DM001 has a one-year failure rate of 13.92 percent with a sample of 4,074, The Seagate ST4000DM000 has one-year failure rate of 3.83 percent on a sample of 8,800.

Of course, you can look at the Hitachi 4TB model HDS5C404ALE630 with a 0.81 percent failure rate on 4,552 after three years of use and think, well, maybe I need to buy that one instead.

blog table q1 2016 cumulative 2 
BackBlaze’s data on drive failures gets down to the models that failed. Credit: BackBlaze


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