I’ve spent the last few months living with the Alienware AW2725Q, a 27-inch gaming monitor with a 240Hz 4K resolution QD-OLED ...
If you see the toggle greyed out, you might have to enable HDR in Windows first — you can simply press Win + Alt + B to do it ...
AOC launches AG326UZD 31.5" 4K 240Hz QD-OLED monitor with HDMI 2.1, DP 2.1, USB-C 65W PD, dual speakers, factory calibration, and OLED care.