https://blog.wongcw.com/2022/07/19/ddr5%e5%92%8cddr4%e6%80%a7%e8%83%bd%e5%b0%8d%e6%af%94%e6%b8%ac%e8%a9%a6%e7%8e%a9%e5%ae%b6%e7%8f%be%e9%9a%8e%e6%ae%b5%e6%9c%89%e5%bf%85%e8%a6%81%e5%8d%87%e7%b4%9addr5%e5%85%a7%e5%ad%98%e5%97%8e/