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Blue, black, or red? What your USB port colors actually mean

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

USB, short for Universal Serial Bus, ports are designed to connect two distinct, yet compatible, electronic devices. For example, you can plug a mouse cable into a computer's USB port. Most modern ...