https://blog.wongcw.com/2021/05/28/m1-ipad-%e7%9b%ae%e5%89%8d%e5%8f%aa%e8%83%bd%e8%aa%bf%e7%94%a8%e6%9c%80%e9%ab%985gb-ram-%e9%81%8b%e8%a1%8c%e5%85%a7%e5%ad%98/