Building an overkill tech server with Linus - and over 100TB of storage.
Seagate IronWolf Pro 10TB: http://www.seagate.com/ca/en/internal-hard-drives/hdd/ironwolf/
45 Drives AV15 15-bay Professional Storage Server: http://www.45drives.com/av15
Build your own NAS with unRAID: https://lime-technology.com/protect-your-data-like-professionals/
I am curious about the cooling issue. You did not mention if your Storage Server was going to be in a server room or standalone. How many employee's will be reading/writing to your server and your backup plan was unclear. So what is your backup strategy when a drive fails.