For backup purposes there're several different tiers of available storage; the difference between them is about speed, reliability, and cost.
Storage Type
|
Speed
|
Redundancy
|
Backup Inside DC
|
location
|
Tier-0
|
fast (SSD)
|
yes
|
yes (daily)
|
Slovenia
|
Tier-1
|
fast (SSD cached)
|
yes
|
yes (daily)
|
Slovenia
|
Tier-2
|
normal (SATA)
|
yes
|
yes (daily)
|
Slovenia
|
Tier-3
|
slow (SATA)
|
no
|
no
|
Italy, Slovenia
|
Sync to Amazon AWS or Microsoft Azure also possible.