Backblaze Storage Pod 6.0 puts 60 3.5" drives in 4U of space
 

Cloud storage and backup company Backblaze is becoming a household name among enthusiasts these days. The company annually releases one of the only high-count hard disk reliability reports available, based on all of the SMART data and failure history of its drives. Backblaze uses consumer hard drives in custom high-density enclosures to achieve its redundancy and uptime requirements. Today, the company announced the next version of this custom enclosure: the Storage Pod 6.0. This rackmount chassis crams 60 3.5" SATA disks into four rack units.

http://techreport.com/news/30033/bac...in-4u-of-space