Backblaze Drive Stats for 2025
Hacker News
February 14, 2026
AI-Generated Deep Dive Summary
Backblaze’s 2025 Year-End Drive Stats Report provides a detailed analysis of hard drive failure rates for Q4 2025, the full year, and their lifetime performance across its data center fleet. This marks the 13th year of collecting such data, with Backblaze emphasizing the importance of understanding system vulnerabilities to build durable infrastructure. The report focuses on over 341,664 drives, excluding 4,013 boot drives and 459 hard drives that did not meet specific criteria, leaving 337,192 drives for analysis.
The key highlights from Q4 2025 include the introduction of new drive models like Seagate’s ST16000NM000J (16TB) and WDC’s WUH722626ALE6L4 (26TB), which are performing well. Notably, some drives, such as HGST’s 8TB model (HUH728080ALE600), showed a high failure rate of 10.29%, while others like Seagate’s ST10000NM0086 (10TB) had a 5.23% failure rate. These figures highlight the importance of monitoring drive performance over time, especially for older
Verticals
techstartups
Originally published on Hacker News on 2/14/2026