https://blog.wongcw.com/2019/09/12/lg%e7%99%bc%e5%b8%83ultragear-27gn750-ips%e9%a1%af%e7%a4%ba%e5%99%a8%e6%94%af%e6%8c%81240hz%e5%88%b7%e6%96%b0%e7%8e%87/
LG發布UltraGear 27GN750 IPS顯示器支持240Hz刷新率