← Back💾
RAID Storage Calculator
Calculate usable storage and redundancy for RAID 0, 1, 5, 6 and 10.
RAID Type
Drives: 4
Drive Size (TB)
12 TB
Usable Storage
4 TB
Overhead
1
Drive Failures Tolerated
75%
Storage Efficiency
Min 3 drives required · ✅ Tolerates 1 drive failure(s)