
You Can't Choose an HDD by Brand Name Alone: What Backblaze's Long-Term Data Reveals About Failure Rate Differences
A paper that analyzed Backblaze's daily HDD data after adjusting for confounding factors estimated that HGST and WD have lower failure rates than Seagate, while Toshiba's is slightly higher. This is a different metric from Q1 2026 AFR figures.








