As of the end of Q3 2024, Backblaze was monitoring 292,647 hard disk drives (HDDs) and solid state drives (SSDs) in our cloud storage servers located in our data centers around the world. We removed from this analysis 4,100 boot drives, consisting of 3,344 SSDs and 756 HDDs. This leaves us with 288,547 hard drives under management to review for this report. We’ll review the annualized failure rates (AFRs) for Q3 2024 and the lifetime AFRs of the qualifying drive models. Along the way, we’ll shar...