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HDMI 2.0 - Comprehensive
If HDMI 2.0 supports 18 Gbps, why is it said to 'lack' the bandwidth necessary to stream 4:4:4 RGB HDR video? I know Bluray is 80mbps, and that's hardly anywhere near the 18Gbps? - Quora
The new HDMI 2.1 specification (and cable) adds support for 10K, 8K HDR, and 4K at 120fps: Digital Photography Review
Amazon.com: Cable Matters Premium Braided 48Gbps Ultra HD 8K HDMI Cable 6.6 ft / 2m with 8K @120Hz, 4K @240Hz and HDR Support for PS5, Xbox Series X/S, RTX3080 / 3090, RX
HDMI 2.1: Channeling the GenX Audio Video Experience | Synopsys