All we had were GameFAQs writers, official Prima guides, hearsay, and whatever we could verify directly. Now and then I wrote to publishers to ask if they'd just tell us if there were any cheats in ...
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 ...