RAID Calculator

The RAID calculator is a straightforward tool designed to help you understand and calculate various RAID configurations. Whether you’re planning a new storage setup or optimizing an existing one, the RAID storage calculator provides the information needed to make informed decisions about your storage solution. This tool is particularly useful for evaluating how different RAID configurations can meet your specific needs in terms of data protection and system performance.

My Configuration

2 TB
2 TB


How to Use the RAID Calculator

Using the RAID value calculator is simple. Just follow these steps:

  1. Select the RAID Level

    Choose the RAID level (e.g., RAID 0, RAID 10, RAID 50, etc.) that you want to calculate.
  2. Enter the Number of Disks

    Input the total number of drives you will use in your RAID setup.
  3. Input the Disk Capacity

    Enter the storage capacity of each individual drive.
  4. Click Calculate

    Click Calculate to view the results, which will show the total storage capacity, usable storage, and other important metrics for your RAID configuration.

What Each RAID Value in the Calculator Means

When you use the RAID configuration calculator, you’ll see several key values in the results. Here’s what they mean:

  • Total Usable Storage: This value shows the actual storage capacity available for use after accounting for redundancy. Different RAID levels have different amounts of usable storage due to the way data is distributed and protected.
  • Storage for Protection: This indicates how many drives can fail without losing data. Higher redundancy levels provide better data protection but reduce usable storage capacity.
  • Fault Tolerance Description: This value shows the number of drives that can fail without causing data loss. Higher fault tolerance means better data protection.
  • Best For: This suggests the most suitable use cases for the RAID configuration, such as improving performance, ensuring data protection, or balancing both.

Learn More About RAID

Redundant Array of Independent Disks (RAID) is a technology that combines multiple hard drives into a single unit to improve performance, increase storage capacity, and provide data redundancy.

By distributing data across several drives, RAID can protect against data loss in the event of a drive failure and enhance system performance through parallel data access.

To learn more about RAID and how it works, check out our detailed definition page: What is RAID?. This resource explains the different RAID levels, their benefits, how to choose the right configuration for your needs, and gives you the knowledge needed to comfortably use our RAID calc.

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