As of March 31, 2017 we had 84,469 operational HDDs. Of that there were 1,800 boot drives and 82,669 data drives. For our review, we remove drive models of which we have less than 45 drives, leaving us to analyze 82,516 HDDs for this report. There are currently 17 different HDDs models, ranging in size from 3 to 8 TB in size. All of these models are 3.5-inch drives.

Artigo completo: https://www.backblaze.com/blog/hard-...rates-q1-2017/