that's what I said, the backblaze design is: > things that were designed with vertical hard drives dropped down from a top-opening lid to achieve even higher d

that's what I said, the backblaze design is: > things that were designed with vertical hard drives dropped down from a top-opening lid to achieve even higher density. the backblaze storage pod system and some 3rd party derived designs have the SATA/power ports on PCBs facing upwards, mounted at bottom interior of rack chassis, and 3.5" HDDs mounted vertically down into the system.