https://blog.wongcw.com/2021/11/19/ddr5%e5%8f%97%e5%85%a8%e7%90%83%e6%99%b6%e7%89%87%e7%9f%ad%e7%bc%ba%e5%bd%b1%e9%9f%bf-%e4%bd%86%e5%92%8c%e4%bd%a0%e8%aa%8d%e7%82%ba%e7%9a%84%e6%9c%89%e9%bb%9e%e5%87%ba%e5%85%a5/