![Steve Moser on Twitter: "TIL the color inside USB-A ports denotes the speed/power of the port: USB 1 - White USB 2 - Black USB 3 - Blue USB 3.1 - Teal Steve Moser on Twitter: "TIL the color inside USB-A ports denotes the speed/power of the port: USB 1 - White USB 2 - Black USB 3 - Blue USB 3.1 - Teal](https://pbs.twimg.com/media/EZJSrvqXYAERU4m.jpg)
Steve Moser on Twitter: "TIL the color inside USB-A ports denotes the speed/power of the port: USB 1 - White USB 2 - Black USB 3 - Blue USB 3.1 - Teal
![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/2020/06/USB-Ports-Color-White-USB-1.1.jpg)
What is the meaning of the different USB port colors? (blue, teal blue, yellow, red, black) - Tech Fairy
![Can someone simply explain the difference between black usb ports and blue usb ports on a computer? : r/AskTechnology Can someone simply explain the difference between black usb ports and blue usb ports on a computer? : r/AskTechnology](https://is.alicdn.com/img/pb/150/406/543/543406150_269.jpg)