As we go into higher frequency (=speed) territory with our cables we will have more expensive cables and it will become harder to build and test them. A decent

As we go into higher frequency (=speed) territory with our cables we will have more expensive cables and it will become harder to build and test them. A decent 4k hdmi cable tester costs 10k€ Whether the pricetag is worth the speed depends entirely on your use case. If you are offloading on a film set where each non-productive hour costs you multiple thousand euros, getting a cable that can do it faster can become economic pretty fast.