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 have ever taken a close look at the side of your laptop or the back of your desktop, you've probably noticed that not every USB port looks the same. Some are black, others are blue, red, yellow ...

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.