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The theoretical maximum speed of USB4 is 40 Gb/s, and the recently released USB4 2.0 version directly doubles the performance, with a transfer speed of 80 Gb/s.

Best of all, the USB4 2.0 standard is backward compatible with first-generation USB4, as well as older USB 3.2, USB 2.0, and Thunderbolt 3. No hardware updates are required, and USB4 2.0 performance can be achieved using existing USB4 cables.

And what exactly is such a high transmission speed used for?roll out USB4 standard The head of the USB Prompter team said:

The updated USB4 specification doubles data performance and provides a higher level of functionality for the USB Type-C ecosystem.

Solutions that benefit the most from this speed boost includeHigher performance displays, storage, and USB-based hubs and docking stations.

But the reality is thatReleased in August 2019, the USB 4 standard doubles the performance of the widely used USB 3.2 standard from 20 Gb/s to 40 Gb/s. However, until now, most products still provide USB 3.2 or even older standards, and USB4 has not yet had a clear applicable environment and lacks corresponding civilian products.

Everyone thinks that the transmission speed of 80 Gb/s can be used in any scenario…