By using multiple DisplayPort interfaces, connecting as many as six display to one output is feasible Cable length The maximum cable length supported by each interface is an important subject. Since high data rate signals will be degraded over lengths, so cables should be kept short.
A maximum HDMI cable length has not been specified, and a wide range of lengths is available, but manufacturers limit them to 15 meters (about 49 feet). For instance, by HDMI cables as long as 50 feet, the quality of video data has been degraded.