https://blog.wongcw.com/2019/04/12/%e5%a4%8f%e6%99%ae%e5%ae%a3%e5%b8%83%e9%a6%96%e6%ac%be31-5%e5%af%b88k%e9%a1%af%e7%a4%ba%e5%99%a8%ef%bc%9a120hz%e9%ab%98%e5%88%b7%e6%96%b0%e7%8e%87/