Free IT Tool
RAID Capacity Calculator
Work out usable capacity, fault tolerance and efficiency for RAID 0/1/5/6/10, JBOD and Synology SHR - in both TB and the TiB your NAS reports.
Array configuration
Usable capacity
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"Usable (decimal)" is the array's logical capacity. "After format" approximates what the OS/NAS reports in binary units (TiB) minus filesystem overhead. Assumes equal-size drives.
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