Backblaze don't build 'one' of thes e- their whole philosophy is to build very cheap storage and duplicate. If you are going to use high-end 'pro' drives then

Backblaze don't build 'one' of thes e- their whole philosophy is to build very cheap storage and duplicate. If you are going to use high-end 'pro' drives then wouldn't you just buy a high-end enterprise grade SAN anyway?