Found out I needed to have the HDMI 2.1 cables to use the eARC and ARC features with a TV and a AV receiver as my current HDMI 2.0 18 GBPS will not allow those functions. I had the Monoprice cables before and they were flexible, maybe 3/16" in diameter and super for feeding through turns and runs behind the equipment and inputs.
These cables were recommended for the eARC and ARC HDMI 2.1 needs by Monoprice. Problem is, the one cable length is a 20 foot that will run from the TV mounted on a wall bracket through the wall and down to the AV unit. These cables are 3/8" in diameter and they are very firm to bend and route. I'm unsure how they will fit on the back of the HDMI port and make the 90 degree bend without pushing the TV from the wall. I tried to bend them and the smallest radius I could safely make was about 2 inches so, they won't make a tight turn or bend. Also, the shorter cables are smaller in diameter than the longer versions of these cables as they gradually get larger in diameter with a longer cable..