My USB cable has 4 colours, red, blue, brown, and yellow. What are the positive and negative? - Quora
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What is the meaning of the different USB port colors? (blue, teal blue, yellow, red, black) - Tech Fairy
![What is the meaning of the different USB port colors? (blue, teal blue, yellow, red, black) - Tech Fairy What is the meaning of the different USB port colors? (blue, teal blue, yellow, red, black) - Tech Fairy](http://tech-fairy.com/wp-content/uploads/2020/05/Motherboard-Ports-USB-3.0.jpg)
What is the meaning of the different USB port colors? (blue, teal blue, yellow, red, black) - Tech Fairy
![What is the meaning of the different USB port colors? (blue, teal blue, yellow, red, black) - Tech Fairy What is the meaning of the different USB port colors? (blue, teal blue, yellow, red, black) - Tech Fairy](https://tech-fairy.com/wp-content/uploads/2020/06/What-is-the-meaning-of-the-different-USB-port-colors-blue-teal-blue-yellow-red-black-Featured.jpg)