One Billion Drive Hours and Counting: Q1 2016 Hard Drive Stats May 17, 2016 byAndy Klein // 137 Comments For the most recent hard drive reliability statistics, as well as the raw hard drive test data, visit the Hard Drive Data and Stats page. For Q1 2016 we are reporting on 61,590 operational hard drives used to store encrypted customer data in our data center. There are 9.5% more hard drives in t