The cable just works as advertised. If you're having issues with 4K or HDR or both, do not buy any other cable. It is not worth it. I have successfully tested it at 4K 60Hz HDR 4:4:4. And games look just awesome in my new TV!
What is more: I bought this cable because I could not make my Vizio TV display at 4K HDR. The cable was not the only issue. When asked to leave a review for the cable, I let Zeskit's customer service know that I was having problems with the TV configuration... and they figured out the issue much faster than Vizio's support!!! I never expected them even to answer me because the cable had nothing to do with the issue. I am very impressed with this company, Zeskit. It is the first time I see a company really caring about its customers. So in return, I am leaving this positive review. And I am the kind of person who only leaves negative reviews.