Certified by HDMI official: This HDMI Cable is certified and have scannable QR code. 8K HDMI version supports higher video resolutions and refresh rates including 8K@60 Hz and 4K@ 120Hz / 60Hz, 1080P, also compatible with all HDMI version. How is 8k different: 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, giving you an amazingly viewing experience. Audio & Video: Supports the most advanced audio formats and highest audio quality,supports Dynamic HDR , Variable Refresh Rate (VRR), Quick Frame Transpor(QFT) and Quick Media Switching (QMS) , enhanced Audio Return Channel (eARC). Ideally suited for home cinema systems, video conferencing, projector systems and more. High Performance: 48Gbps bandwidth for latest features HDR, HDCP 2.2 & 2.3, DTS:X, Dolby Atmos, Dolby Vision. 24K gold-plated full metal connector is corrosion-resistant, triple shielding structure are anti-interference, anti-EMI and RFI interference, preventing signal degradation or attenuation. This HDMI Cable can achieve 4K/8K ultra-high image quality. It can also achieve a super smooth picture of 4K@120Hz. Its supports variable refresh rate, maximizes the value of the graphics card and CPU, and is more accurate in the processing of rendered images.