I have Xiaomi Mi Curved 34 monitor, which supports 1440p@144Hz through DisplayPort. This monitors does display my Dell XPS 15 9500 laptop at 1440p@120Hz. I've owned 2 HDMI 2.0 to DisplayPort adapters (both stated to be VESA compliant ) in order to enable my Xbox Series X to support 1440p@120Hz with this monitor: More @Wikipedia
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