this post was submitted on 04 Aug 2024
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Thanks to the people responsible for the USB standards, this is a popular misconception.
For example there can be PCIe Tunneling support in USB.
Thanks for the correction. I was definitely out of date, what I said was only true during the USB 3 era.
So this is an optional part of the USB 4 spec, but from what I can tell this is required for PCs shipping with Windows 11 and USB 4 ports. Yes, this seems like more manufactured confusion courtesy of USB IF.
Yeah the standards are a real mess. Even the cables can't be trusted.
I hope when they do USB 5 all features are mandatory and all the cables are forced to qualify.