How to ID USB ports, and what their colors mean.

And links to explanations of the versions.

We have several types of USB ports out there, and just because you can see what physical port it is, does not mean it supports all USB features.

USB4 is even coming soon.

Here’s a guide to the physical USB ports.

Here is what the colors mean for USB-A ports (the oldest and more common USB port).

Here are links to the USB specs if you want to know more.

1. Main USB spec document library. https://www.usb.org/documents

2. "USB Decoded: All the Specs and Version Numbers". https://www.tomshardware.com/features/usb-decoded-all-the-specs-and-version-numbers

3. Wikipedia page. https://en.wikipedia.org/wiki/USB