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The USBs on the GUA380 are USB 2.0. There is very little to no difference seen between using USB 2.0 or USB 3.0 on a keyboard or mouse. However, you will mainly see a difference between 2.0 and 3.0 in transfer times on a flash drive or an external hard drive. If you have anymore questions, you can call us at (800)707-0393.
Sorry, there was a problem. Please try again later.USB 3.0 has a faster speed than USB 2.0. They can be plugged into each other, but the speed is then limited to the USB 2.0 level.
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