https://blog.wongcw.com/2023/03/03/sk-hynix%e9%80%b2%e5%85%a5%e5%85%b6%e7%ac%ac5%e4%bb%a31%ce%b2-dram%e7%9a%84%e5%90%88%e4%bd%9c%e5%a4%a5%e4%bc%b4%e9%a9%97%e8%ad%89%e7%a8%8b%e5%ba%8f/