RAID Calculator

Estimate usable storage, fault tolerance, and actual speed gains for any RAID.

RAID Calculation

            
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Configuration

Array Settings
RAID Level

RAID FAQ

Frequently Asked Questions

RAID (Redundant Array of Independent Disks) combines multiple drives for improved performance, redundancy, or both. The level chosen affects usable space and fault tolerance.

RAID 0 maximizes space and speed, no protection. RAID 1/1E mirrors for safety. RAID 5/5E/5EE/6/50/60 balance space and parity protection. RAID 10 (01) gives both speed and redundancy. Some levels require hot spares or minimum disks.

RAID protects against some disk failures (depending on level), not against fire, theft, or malware. Always back up your data outside RAID!

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