https://blog.wongcw.com/2020/09/29/%e7%a0%94%e7%a9%b6%e6%a9%9f%e6%a7%8btrendforce%e9%a0%90%e8%a8%88q3%e6%9c%8d%e5%8b%99%e5%99%a8dram%e7%94%a2%e5%93%81%e5%83%b9%e6%a0%bc%e5%b0%87%e4%b8%8b%e8%b7%8c10-15/