4X clear compared with 1080p. HDMI 2.1 technology is backwards compatible with HDMI 2.0b/2.0a/2.0/1.4/1.3/1.2/1.1. The Lastest Version for HDMI, Support Upto 8K @120Hz, Reall Ultra HD. 8K HDMI v2.1 Cables.
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