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Technical FAQ

What's the difference between Thunderbolt 3 and Thunderbolt 4?

Thunderbolt 4 is just the combination of Thunderbolt 3 and USB 4. When a user uses a Thunderbolt 3 device, he can connect the Thunderbolt 3 device to either a Thunderbolt 3 port on host, or a Thunderbolt 4 port on host computer for production because Thunderbolt 3 and 4 are just the same – both Thunderbolt 3 and 4’s top performance is 40Gbps. But if a user is using a USB 4 device, then he has to connect the USB 4 device to a Thunderbolt 4 port on host for work. So Thunderbolt 3 and 4 are all the same with the identical 40Gbps transfer speed.

the difference between Thunderbolt 3 and Thunderbolt 4