Frequently Asked Questions (FAQs)

Find answers to frequently asked questions about Thunderbolt™ technology below. Use links on the right for more detailed information and resources.

What is Thunderbolt™ technology?
Users have long wanted desktop-level performance from a mobile computer. Thunderbolt™ was developed to create new user experiences by simultaneously supporting the fastest data and most video bandwidth available on a single cable, while also supplying power. You can find out more about Thunderbolt™ by visiting the Thunderbolt™ webpage.
What is the difference between Thunderbolt™ and USB-C?
Thunderbolt™ is a superset solution which adds a 40Gbps (or 80/120 Gbps coming soon) Thunderbolt™ connection and DisplayPort from a single USB-C port. This enables any dock, display, or data device to connect to a Thunderbolt™ port, fulfilling the promise of the USB-C connector. See more information here
How can I become a Thunderbolt™ Developer?
Submit your interest in developing and certifying Thunderbolt™ technology products here.
Who do I contact for developer account issues, developer proposal assistance, etc?
For Thunderbolt developer account access and marketing inquiries, please contact:
For certification, device proposal inquiries, or RDC access inquiries, please contact: