1.    06 Mar 2017 #1
    Join Date : Jun 2015
    Posts : 11
    Windows 7 SP1

    USB 3.1,3.0,2.0 Question?.

    I upgraded my PC last week and it all went very well and everything is working as it should but I have a problem understanding the USB port connections. On the motherboard outlet panel on the back of the PC there are several USB 3.1, 3.0 and 2.0 ports. When I was connecting all the cables and plugs etc to the mother board I had a plug that went to the the USB 2.0 internal motherboard connector the other end of which goes to two extra USB ports a headphone and microphone jack panel on the front of my PC. When reconnecting my external devices to the motherboard back panel I was unsure which ports to use so as all of them have USB 2.0 plugs I used them. This means the USB 3.0 and 3.1 connections are unused at present. Can someone explain to me what I plug into these, if I plug in the present USB 2.0 peripherals like the keyboard, printer etc to them will they work better or not all?.
      My ComputerSystem Spec
  2.    06 Mar 2017 #2
    Join Date : Oct 2013
    Covington, Louisiana
    Posts : 730
    Windows 10 1703 Pro 64

    All the ports are compatible but if you plug in a device it will run at the lowest speed of the port or device.
    So a 2.0 device plugged into a 3.0 or 3.1 port will run at 2.0 speed.
    A 3.0 or 3.1 device plugged into a 2.0 port will run at 2.0 speed.
    The same is true for 3.0 and 3.1 ports.
    So you should match the device to the port for best performance.

    2.0 is the slowest, then 3.0 is next and 3.1 is the fastest.

      My ComputerSystem Spec
  3.    06 Mar 2017 #3
    Join Date : Jun 2015
    Posts : 11
    Windows 7 SP1
    Thread Starter

    Thank you for the quick reply.
      My ComputerSystem Spec
  4.    06 Mar 2017 #4
    Join Date : Oct 2014
    New Jersey
    Posts : 1,387
    Windows 7 Pro x64 Windows 10 Pro x64

    Plug your keyboard and mouse into 2.0 ports.

    Plug your printers into 3.0 ports.
      My ComputersSystem Spec


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