The Alfatron 8K HDMI is a  HDMI2.1a Cable with 48Gbps bandwidth. It Supports resolutions up to 7680 x 4320 with refresh rates up to 60Hz on 8K and 120Hz on 4K. It is compatible with HDCP 2.2&2.3, Dynamic HDR and is Backward compatible with HDMI 2.0b/2.0a/1.4/1.3/1.2/1.1 versions. With 8K HDMI’s unique dynamic HDR and 12 Bit color processing technology, each scene of the video is every frame, with more ideal depth, brightness, detail, contrast and wider color gamut. This HDMI Cable achieve 8K ultra-high image quality. It can also achieve a super smooth picture of 4K@120HZ. Its latest game mode supports variable refresh rate, maximizes the value of the graphics card and CPU, and is more accurate in the processing of rendered images. When the scene is switched, the refresh rate will change accordingly to obtain a smoother and more detailed picture. The plug is made of 24K gold-plated material, oxygen-free bare copper wiring which accurately transmits signals.