The Reason Why Some USB Ports Are Orange

An orange USB port is an indicator, but not set in stone by industry standardization.

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Take a look at some of the USB ports throughout your home. If you notice any orange ones, congratulations: there's a chance you have an "always-on" charging option. With these, the USB ports provide power through the power supply or internal battery even if the computer is shut off.

"Chance" is used rather loosely, however, because like many USB colors and symbols, orange in a USB port isn't a matter of industry standardization. There is no electronics rule that defines orange as a port that will charge your phone even if you turn off the computer (or whatever device the port is part of).

The color typically appears on the plastic insert inside a rectangular USB-A socket. A few manufacturers describe orange ports as "always-on," but some of these also support fast USB...

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