Storage Utility Tool
RAID
Calculator
Calculate usable storage, fault tolerance, and performance for any RAID level.
RAID 0
RAID 1
RAID 5
RAID 6
RAID 10
RAID 50
RAID 60
RAID Level
RAID 0 — Striping
RAID 1 — Mirroring
RAID 5 — Striping + Parity
RAID 6 — Dual Parity
RAID 10 — Stripe of Mirrors
RAID 50 — Stripe of RAID 5
RAID 60 — Stripe of RAID 6
Number of Disks
disks
Disk Size
TB
Size Unit
GB
TB
Overhead Factor
None (Raw)
HDD (1 TB = 931 GB)
Custom −10%
Hot Spare Disks
spare
Calculate
Reset