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USB 3.0 typically has a blue edge on one side of the connectors. USB 2.0 is just balck and white.
USB 3.1 is a little tiny one with the same connector on both sides. It is common in cell phone charging cables. There is no upside down with 3.1, it works no matter what side is up.
If you computer does not support it, stick to 3.0. You might have to look at the back of the computer if it is a desktop. A laptop is likely all 3.0 if it is not really old.
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Glen
49 Year member of the Porsche Club of America
1985 911 Carrera; 2017 Macan
1986 El Camino with Fuel Injected 350 Crate Engine
My Motto: I will never be too old to have a happy childhood!
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