Getting started guide & review of the SONOFF Dongle Plus MG24 Zigbee adapter with Home Assistant, AirGuard TH monitor, and ...
If your devices only support up to 4K at 60Hz, a "premium high-speed" HDMI cable (18Gbps, HDMI 2.0) is perfectly fine. Again, just avoid really old or thin cables. Early HDMI cables (HDMI 1.4 or older ...
Your TV setup may not be fully optimized. Take my advice on HDMI ports to unlock better performance in just seconds.