Review on Monoprice High Speed HDMI Cable - 3 Feet - Silver - Active - 4K @ 60Hz - 18Gbps - 36AWG - YUV - 4:2:0 - Ultra Slim Series by Ricky Bedell

This cable was purchased for my 4K projector that my PC is connected to . I found that the cable only supports 4K @ 30Hz with RGB. In the Nvidia control panel, if you set the refresh rate above 30Hz with the default settings, no image is displayed. Setting the digital format to YCbCr 4:2:0 allows 4k@60hz but loses the ability to enable HDR. Other formats are locked at 30Hz with no ability to enable HDR. At first I thought it was a limitation of my GPU/cable, so I bought a 15ft RevainBasics CL3 4K cable just to be sure. Revain supports 4K at 60Hz with HDR enabled. So I can only conclude that this cable does not support true 4K at 60Hz, at least with RGB/YcbCr4:4:4. You may get along with movies, but if you