NAS RAID capacity calculator

Step 1 : Select drive size
Step 2 : Select number of disks
Step 3 : Select RAID configuration
Estimated capacity
Please select disk size, number of disks and your RAID configuration.
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This tool is for estimating approximate capacity. Actual capacity depends on a number of factors such as use of nested RAID levels, number of drives per RAID group, number of RAID groups, ZFS record size, drive sector size, slop space allocation, etc.