https://blog.wongcw.com/2020/09/17/nvidia%e5%ae%98%e6%96%b9%e6%9a%97%e7%a4%ba%ef%bc%9a20gb%e9%a1%af%e5%ad%98%e7%9a%84rtx-3080%e6%ad%a3%e5%9c%a8%e8%b7%af%e4%b8%8a/