RAID 10 Calculator
Mirrored pairs, striped. Fast writes and quick rebuilds; half the raw capacity. Enter your disks below to see the usable space.
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RAID Level
Enter the number of disks and their size.
Disk Space & RAID Calculator
RAID 10 at a glance
Minimum Disks4
Usable With 6 Disks3 of 6 disks
Survives1 per mirror
Example (6 × 8 TB)24 TB usable
Mirrored pairs, striped. Fast writes and quick rebuilds; half the raw capacity.
RAID Levels and Units
Questions
How much usable space does RAID 10 give?
With n equal disks: n ÷ 2 disks. 6 × 8 TB gives 24 TB.
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