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Save My Disk

Embeddable RAID Capacity Calculator Widget

A free RAID 0/1/5/6/10 calculator you can embed on any website with a single iframe tag. Perfect for tech blogs, sysadmin wikis and NAS forums.

Live demo

This is exactly what your visitors will see once the widget is embedded.

Theme:
Language:

Embed code

Copy this HTML snippet into your page. The iframe is responsive and works without JavaScript on the host page.

<!-- RAID Capacity Calculator Widget by Save My Disk (free, client-side) -->
<iframe
  src="https://www.save-my-disk.com/widget/raid-calculator?theme=dark&lang=en"
  width="100%"
  height="480"
  frameborder="0"
  scrolling="no"
  title="RAID Capacity Calculator"
  loading="lazy"
  style="border-radius:12px;max-width:600px;display:block"
></iframe>
<!-- Attribution link (recommended) -->
<p style="font-size:11px;margin-top:6px;color:#64748b">
  <a href="https://www.save-my-disk.com" rel="noopener" style="color:inherit">Powered by Save My Disk</a>
</p>

Why embed this widget?

Free, no limits

No API key, no account required. The iframe works indefinitely at no cost.

100% client-side

All calculations happen in your visitor's browser. No data is ever sent to our servers.

RAID 0, 1, 5, 6, 10, JBOD

All six common RAID configurations with exact capacity formulas and fault tolerance.

Dofollow attribution link

The recommended snippet includes a 'Powered by Save My Disk' link — transparent and optional.

Recommended attribution link (optional but appreciated):

<a href="https://www.save-my-disk.com/en/raid-capacity-calculator" rel="noopener">RAID capacity calculator by Save My Disk</a>
See the full calculator on Save My Disk →

Frequently asked questions

Does the widget send data to your servers?
No. All capacity and fault-tolerance calculations run locally in the visitor's browser (inline JavaScript). No data is transmitted.
Which RAID levels are supported?
RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 and JBOD. Each configuration shows usable capacity, redundancy space, efficiency and fault tolerance.
How do I customise the widget?
Via the ?theme=dark or ?theme=light and ?lang=fr|en|es parameters in the iframe URL. Parameters can be combined.
What iframe size do you recommend?
width=100% height=480 px for the full experience. The widget adapts to its container width.
Can I use this widget commercially?
Yes, with no restrictions. We encourage you to keep the 'Powered by Save My Disk' attribution link in the snippet, but it is not mandatory.