Genuine 8K HDMI Cable Supports 10K 8K@60Hz and 4K@240Hz. Its resolution is 4 times higher than that of 4K@60Hz. Advanced technology remarkably enhances image clarity and sharpness. Moreover, it is backward - compatible with HDMI 2.0b/2.0a/1.4/1.3/1.2/1.1 versions. 48Gbps Ultra-high-speed Transmission The HDMI 2.1 cable has a bandwidth of 48Gbps, enabling high-speed transmission of uncompressed 8K (7680 x 4320) video without any signal loss. It is 2.6 times faster than the HDMI 2.0 cable (18Gbps). It features a variable refresh rate and fast frame transport function, which can reduce latency, making it ideal for high-stakes gaming and seamless movie streaming. Dynamic HDR and eARC The dynamic HDR function of this HDMI cable captures more details with 12-bit color precision, presenting a realistic and vivid picture. The eARC (Enhanced Audio Return Channel) of the HDMI cable can transmit full-resolution audio, such as Dolby Atmos and DTS:X, from the TV to the soundbar/AV receiver