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Specifications
: Since HDMI 2.1 is backward compatible with older HDMI versions, it's probably best to buy an HDMI 2.1 cable for future-proofing. Higher HDMI cable speeds can help with higher resolution displays and a fast refresh rate, improving motion quality. ^^ HDMI 2.1 is also needed for devices that support eARC, for better quality audio to soundbars and audio receivers. To get all of the features and speed increase, be sure to check if your display and device (PCs, game consoles, etc. ) both support HDMI 2.1 and its features.