All HDMI® cables are not created equal. This SCP 8K UHS cable has been tested to the latest standards and complies with the Ultra High Speed with Ethernet specification. To experience all of the features with HDMI® 2.1 devices, you must upgrade your interconnect cables to Ultra High Speed or Ultra High Speed with Ethernet. SCPs 8K UHS cable ensures high-bandwidth dependent features are delivered including uncompressed 8K video with HDR. It features exceptionally low EMI (electro-magnetic interference) which reduces interference with nearby wireless devices. The cable is backwards compatible and can be used with the existing HDMI® devices.