https://blog.wongcw.com/2021/10/03/usb-type-c-2-1%e8%a6%8f%e7%af%84%e7%99%bc%e4%bd%88%ef%bc%9a40gbps%e3%80%81240w%e6%a8%99%e8%aa%8c%e6%98%8e%e7%a2%ba%e5%8d%80%e5%88%86/