Developer Resources
The SD Association is a global alliance of more than 1,100 companies involved in the design, development, manufacture or sale of products using
SD technology. SD memory cards are available in a variety of formats, capacities, and speed classes. To learn more about how SD technology works, download specifications, or join the SD Association, please visit our Technology Overview section or the Developers Resources page.
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Use & Licensing
SD technology is the de-facto industry standard for thousands of consumer electronic models. Use SD memory cards in your products and discover why SD technology is the world's market leader. Start today.
Membership Benefits
Only SD Association membership provides complete access to SD standards and specifications. Learn more about SD Association member benefits and how to join!
