The High-Speed HDMI Cable with Built-In Power Inserter is the perfect solution for supporting HDMI bus-powered devices such as extenders, active cables, AOC cables or signal-sensing switches and supports up to a 4K resolution at 60Hz. The attached power inserter allows you to provide the necessary additional power to such devices and eliminates the need for separate voltage inserters or adapters, increasing the reliability of the connection. In cases where an accessory demands more current than the source device can supply, whether that be a computer, teleconferencing equipment or media player, connecting the HDMI Power Inserter cable overcomes this issue and facilitates the necessary voltages required for the hardware handshake, HDCP key authentication and exchange, EDID exchange and hot plug connection detect.