How does this monitor support 280Hz with display 1.2 and hdmi 2.0. At 1080p hdmi 2.0 can only support 240HZ : r/Monitors
Do HDMI cables Support 240Hz Refresh Rate? - Pointer Clicker
STOD Type C to HDMI Cable Thunderbolt USB C to HDMI Cable USB-C HDMI 2.0 Type-C Extend USBC HDMI 4K 60Hz 2K 144Hz 1080P 240Hz Monitor for MacBook iPad Air Mac Mini
HDMI and USB Extender 4K60Hz over Cat5e & Cat6
XL2546K 240Hz DyAc⁺ 24.5 inch Gaming Monitor | ZOWIE Asia Pacific