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Backblaze Q2 2026 Drive Failure Stats Report

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Backblaze released its Q2 2026 Drive Stats report, monitoring 359,101 drives used to store data. After removing 3,881 boot drives and 705 hard drives that didn't meet inclusion criteria, 354,415 hard drives were analyzed. The report presents annualized failure rates (AFR %) for drive models with over 100 drives and 10,000 drive days as of June 30, 2026.

Key findings show varying performance across manufacturers and models. HGST HUH721212 ALN604 had the highest AFR at 7.63%, while Seagate ST16000 NM001G showed excellent reliability at 0.65%. Toshiba MG08ACA16TA and MG10ACA20TE demonstrated strong performance with AFRs of 1.01% and 1.1% respectively.

The report emphasizes the importance of understanding new high-capacity drive technologies as they become more load-bearing in storage infrastructure. Backblaze has been tracking 20TB+ drives as a group and will discuss differences between current CMR HDDs and emerging technologies in the full report.

A webinar reviewing these trends is scheduled for Thursday, October 8 at 12 p.m. PT, featuring Sr. Market Intelligence Manager Stephanie Doyle and Director of Product Marketing David Johnson.