According to Jiwei.com, yesterday (October 18), USB-IF officially announced the new version of USB4 specification. The updated specification further expanded the speed range of the USB interface, which can support up to 80Gbps transmission speed and is backward compatible with al

2025/06/0605:24:34 digitals 1953

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This solution is based on USB4 v2.0 disclosed to the outside in September this year. It adopts a new physical layer architecture that can use the newly defined 80Gbps active cable and is compatible with the existing 40Gbps USB Type-Ch passive cable to support transmission rates up to 80Gbps.

and in some applications, asymmetric transmission mode can also be enabled, providing speeds up to 120Gbps in one direction and maintaining 40Gbps in the other direction.

In addition, the new version of USB4 also supports DP2.1 and PCI Express 4.0. (Proofreading/Wang Wanqing)

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