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Backblaze Q1 Hard Drive Reliability Report: Over 92% of Newly Deployed Hard Drives Exceed 20TB, Annualized Failure Rate Drops to 1.24%
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Author：小编
Cloud storage platform Backblaze released its Q1 2026 Hard Drive Reliability Report, showing a continuous improvement in the reliability of its storage clusters, with high-capacity hard drives becoming the mainstay of new deployments. As of the end of Q1, Backblaze monitored 341,263 hard drives, with the overall annualized failure rate dropping to 1.24%. Among them, over 9,400 hard drives with capacities exceeding 20TB were deployed, accounting for 92%, and the overall annualized failure rate was only 0.85%. Western Digital's 22TB model had the highest number of units, with a failure rate of 0.38%; Toshiba's new 24TB hard drive performed the best, with a failure rate of just 0.22%.
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