Ultra High Speed HDMI 2.1 Cable: FeizLink Fiber Optic HDMI Cable complies with the standard HDMI 2.1 version with up to 48Gbps transmission speed to eliminate frame jamming and frame loss during viewing. This HDMI cord supports resolutions and refresh rates up to 8K@60Hz and 4K@120Hz for immersive viewing and smooth fast-action details, and resolutions up to 10K. Dynamic HDR formats are also supported FeizLink 8K HDMI fiber ultra high speed cables comply with stringent HDMI 2.1 specifications, ensure support for high resolution video modes such as 8K@60Hz / 4K@120Hz as well as new features such as eARC, ALLM, QFT, QMS, VRR. The cables exceed the requirements of the latest international EMI standards to significantly reduce the probability of interference with wireless services such as Wi-Fi. They are the best way to ensure that high-bandwidth dependent features are delivered including the enhanced video and audio performance. Features: Dynamic HDR Enhanced Audio Return Channel (eARC) Auto Low Latency Mode (ALLM) Variable Refresh Rate (VRR) Quick Media Switching (QMS) Quick Frame Transport (QFT) DTS-HD Master Audio, DTS:X, Dolby TrueHD, Dolby Atmos HDCP 2.2 & 2.3 Ethernet ARC CEC BT.2020 Color Space 3D Video Compatible For all HDMI 2.1, 1.4, 2.0 devices (not full list): Nvidia RTX 3080 3090 LG CX C9 B9 Samsung Q80T Q90T Sony X900H Z8H A90J PS5 Xbox Series X