The USB4 specs promies a lot: Adopting Thunderbolt 3 Protocol for 40 Gbps USB

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The USB Promoter Group has announced the upcoming release of the USB4 specification. The new standard supports name features including Fast data transfer rates of up to 40 Gbps, display interfaces, and power delivery. The detailed USB4 specification will be published in the middle of 2019.

The new interface will support USB Type-C connectors and will maintain backward compatibility with USB 2.0, USB 3.2, and Thunderbolt 3 interfaces.USB4 will run at 40Gbps—about double the speed of the preceding USB 3.2 specification.USB4 also offers support for more data and display protocols so you’ll be better able to take advantage of that higher transfer rate.

By supporting more data protocols, USB4 will open up to more types of device data transfer. And the USB-IF (USB Implementers Forum, the group that oversees what USB is capable of and how it does things) is emphasizing that this will handle multiple data protocols that can share the bandwidth across the bus. That means you will be able to send 4K HDR signal over a USB cable and use the same cable for something else like transferring particular data or even for connecting to a Wi-Fi interface.

Though we don’t know the answer to all of you’re questions yet, it’s not too early to start thinking about USB4 as a combination of USB, the high-speed Thunderbolt 3 specification, and the convenient USB-C connector. We will get back to you with more information but until then, watch this space for any updates!

 

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