QVS DisplayPort F-to-F Digital A/V UltraHD Gender Changer/Coupler" - An Overview
You will find there's port for an external power supply but its connected on to the 5V line Therefore if you have to externally power, we advise prying open up the situation and chopping the purple 5V line with the USB link. Would you like your cup to runneth around with USB ports? Would you like it to even be stuffed with the sweet, sweet nectar