I understand that USB 3.0 ports are faster at transferring data and more of it from a USB or to a USB, compared to USB 2.0. However I have two USB 2.0 ports and two USB 3.0 ports on my case. Would it make a difference to attach my mouse and headset to the USB 3.0 or should I plug them into my USB 2.0 and save the better ports for something else?