What is HDMI 2.1a?

HDMI 2.1a makes some minor yet useful upgrades to the existing HDMI 2.1 feature set. Read on to learn what is HDMI 2.1a.

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What is HDMI 2.1a?

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Detachable Fiber Optic HDMI 2.1a Long Cable, 8K HDMI 2.1 High Speed 48Gbps 8K@60Hz 4K@120Hz Dynamic HDR 10, eARC, HDCP2.2, 4:4:4 Audio Cable for in-Wall Installation-165FT

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What Is HDMI 2.1a, and How Is It Different?