DVI - Maximum of 15 Metres (lower resolutions), 5 Metres (higher resolutions) DVI is used to carry a video signal through the cable. The maximum length of a DVI cable is dependant upon the resolution of the video. A maximum cable length of 15 Metres can be used with monitors upto 19â³ (1280Ã1024 resolution). For larger resolutions, larger than 1280Ã1024 a maximum of 5 Metres.