What the latest data reveals about hard drive reliability What really counts as a hard drive failure? That’s the question at the center of Backblaze’s Q3 2025 Drive Stats report, which tracks the performance of 328,348 hard drives across its global data centers. The latest findings build on more than a decade of data that has made Backblaze one of the most transparent sources on drive reliability for IT teams, researchers, and data professionals. Backblaze hard drive failure rates for Q3 2025 “After more than ten years and billions of drive days, we’ve built one of the largest collections of drive reliability data in the world,” said Gleb Budman, CEO of Backblaze. “This quarter, we’re going deeper, and showing exactly how we spot drive failures and turning that insight into something…