My laptop has a yellow USB port. Is it USB 3.0?

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Did you consult your Notebook user guide?, edit your post to include your Make and specific model if you wish a correct answer instead of an educated guess. – Moab Dec 3 '10 at 17:16
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@Moab - RFTM? really?! – ripper234 Dec 4 '10 at 6:38
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2 Answers

up vote 13 down vote accepted

A yellow USB port usually denotes an "always on" port. It supplies power to the device plugged into it even when the laptop is off.

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This tends to be the standard but it is not always the case. That said, I have yet to see a USB3 port that isn't blue. – Shinrai Dec 3 '10 at 18:10
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It can be whatever colour that your manufacturer wants it to be - I do not think there is a standard.

That being said, every product I have seen that supports USB 3 seems to have a blue socket, so there may be one!

If it is yellow, my guess is that it may be a way to indicate enhanced/increased/special power output.

What model do you have? If you write the model number, I can take a look to be sure.

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