In the mean time, I moved my secondary TV (a TCL mini-LED) to a rolling trolley with my consoles and Blu-ray player, which I ...
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 ...