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Will i get improved speeds plugging in a usb 2.0 hub into a 3.0 port.

Last response: in Storage
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September 28, 2013 3:18:21 PM

I know it won't be any better than 2.0 speeds for each device, but i would think that having 7 usb devices plugged into one usb 2.0 port would have less than 2.0 speeds by maxing out the bandwidth of 2.0. i would think it gets 1/7th speed if they are all being used at once. but with 3.0 it has 10 times the bandwidth.
It is a self powered hub by the way.

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a c 75 G Storage
September 28, 2013 4:31:06 PM

The input to the hub is itself a 2.0 link, so that limits the whole thing to the maximum bandwidth of 2.0. To support USB 3.0, both ends of the link need to support it, including the input to a hub. In fact, USB3 ports have more pins than USB2 ports (the USB2 ports are shared for backwards compatibility but a few more are added. If the USB connection between the hub and PC doesn't have the full pin-out, it can't run at 3.0 speeds.
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September 28, 2013 5:41:46 PM

SchizTech said:
The input to the hub is itself a 2.0 link, so that limits the whole thing to the maximum bandwidth of 2.0. To support USB 3.0, both ends of the link need to support it, including the input to a hub. In fact, USB3 ports have more pins than USB2 ports (the USB2 ports are shared for backwards compatibility but a few more are added. If the USB connection between the hub and PC doesn't have the full pin-out, it can't run at 3.0 speeds.

oh i didn't know the actual ports were different, never really looked at them close enough to notice.
Thanks for the clarification
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