https://blog.wongcw.com/2022/05/01/%e9%a0%82%e9%85%8dusb%e7%b7%9a%e9%95%b7%e4%bb%80%e9%ba%bc%e6%a8%a3%ef%bc%9f40gbps%e3%80%81240w%e4%be%9b%e9%9b%bb%e3%80%818k%e8%a6%96%e9%a0%bb%e4%b8%80%e6%ac%a1%e6%bb%bf%e8%b6%b3/