The Ultimate 4K Experience: This HDMI cable lets you connect to a monitor, projector, or HDTV with astonishing picture quality and resolution up to 4K@60Hz. Unidirectional Signal: ProLink4K60-20M is designed to carry signals in one direction from the source to the display. 18Gbps Transfer Rate: ProLink4K60-20M offers an 18Gbps transfer rate that ensures a super immersive experience for gaming or watching movies with no lags. Ethernet Support: This all-in-one HDMI and Ethernet cable can share your Internet connection with multiple devices. No separate Ethernet cable is needed. Fiber Optic Cable: ProLink4K60-20M is constructed with optical fiber, which allows it to transmit signals over long distances without any signal degradation.