Everything You Need to Know About USB Ports and Speeds (2024)

The very name, Universal Serial Bus (or USB) is an ambitious promise: One port to rule them all. The reality is unfortunately messier than that. While your phone, tablet, and laptop might all use the same USB-C port for charging and transferring data these days, they can all work differently.

What’s USB4? What’s Thunderbolt? Is it the same as USB-C? I’m here to help answer all of those questions, so you can get the best performance out of your devices.

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Glossary of USB Terms

First, it’s important to define a few terms upfront.

USB 2.X/USB…

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