CSI: Backblaze—Dissecting 3TB Drive Failure April 15, 2015 byAndy Klein // 146 Comments Beginning in January 2012, Backblaze deployed 4,829 Seagate 3TB hard drives, model ST3000DM001, into Backblaze Storage Pods. In our experience, 80% of the hard drives we deploy will function at least four years. As of March 31, 2015, just 10% of the Seagate 3TB drives deployed in 2012 are still in service. This