Without clear labels, you can rely on colors, but remember that those aren't mandated by USB-IF, so they're not a guarantee.

We may receive a commission on purchases made from links. Ah, USB; where would we be without it? Introduced in the late 1990s as a one-size-fits-all replacement for the handful of ports and ...

Blue: Supporting USB 3.0 SuperSpeed technology and above, blue ports identify a device capable of fast data transfer: up to 5 Gbps (that's 5,000 Mbps) -- a significant jump from previous generations.

If you've ever looked closely at the USB ports on your computer, motherboard, or docking station, you might've noticed they're not all the same color. Black, blue, teal... and sometimes, bright red.