In a world where every piece of gaming gear seems to be getting more expensive, Alienware's $350 AW2726DM 27-inch QD-OLED ...
I bought the wrong HDMI-to-USB-C cable, and it taught me how direction, port support, and cable type actually matter.
As long as you're gaming within specific resolutions and refresh rates, HDMI 2.1 is just as capable as DisplayPort.