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USB C Docking Station,Hiearcool Quadruple Monitor Laptop Docking Station,12IN1 Docking Station Compatible for MacBook Dell Hp Lenovo ASUS (HDMI VGA PD3.0 Ethernet SD/TF Reader USB Ports USB C)
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Amazon.com: USB C Hub Dual HDMI, USB C to Dual Monitors Adapter to Dual 4K HDMI, 3 USB, PD Charging Port, USB C Docking Station Dual Monitor for Dell XPS 13/15, Lenovo
Solved: HP Dreamcolor Z27x- USB 3.0 ports - what are they used for? - HP Support Community - 7059610
![What is this USB port for? Do I have to connect it to my computer to power the other USB 3.0 ports? : r/Monitors What is this USB port for? Do I have to connect it to my computer to power the other USB 3.0 ports? : r/Monitors](https://preview.redd.it/eiz0x7y755081.jpg?auto=webp&s=9963b7b03fcde29a038a5f47b6adebeb461467e8)