This guide is designed to show you the difference between USB 3.0 and USB 2.0. The Universal Serial Bus, more commonly known as USB, is a technology that has seen substantial growth and evolution ...
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.