GUIDE FOR DIFFERENT USB PORT COLOR
In the market, we generally found USB ports with 4 different colors: White, Black, Blue, Teal Blue, etc. But there are more than that.
Color
Port
USB Standard
Speed
White
USB 1.0, USB 1.1
up to 12 Mbps
Black
USB 2.x High Speed
up to 480 Mbps
Blue...