RAID Capacity Calculator

Calculate RAID array usable capacity from disk count, disk size, and RAID level. Supports RAID 0, 1, 5, 6, and 10 with efficiency and fault tolerance info.

How to Use RAID Capacity Calculator

Enter the number of disks, disk size, and select a RAID level. Click Calculate to see usable capacity, storage efficiency, parity overhead, and fault tolerance information.

Step-by-Step Instructions

  1. Enter number of disks
  2. Set disk size in GB or TB
  3. Select RAID level
  4. Click Calculate Capacity

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