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    my broadband speed is 20mbs when using the lan ethernet but why does it decrease to 5mbs when using the usb port?

    any advice?

    8 Comments

    Usb is slower than ethernet at a guess.

    Ethernet is a much faster interface so can transfer the data quicker than USB

    Thats why yous can get Power Over Ethernet loll...

    Original Poster Banned

    timothyw9;2947644

    Usb is slower than ethernet at a guess.




    yes but i could understandthere being a slight difference but reduction from 20mbs to 5mbs!

    do u reckon theres some kind of setting that needs to be looked at?

    ROKO;2947710

    yes but i could understandthere being a slight difference but reduction … yes but i could understandthere being a slight difference but reduction from 20mbs to 5mbs!do u reckon theres some kind of setting that needs to be looked at?



    No USB modems are rubbish that is why they are rarely made any more

    The Ethernet cable is made up from 8 cables and USB only 4 so that probably doesn't help, 2 of the USB cables are used for power aswell leaving only 2 for data whereas out of the 8 ethernet wires 4 are used for data and the last 4 are not used

    That's my basic understanding anyway lol

    All depends on throughput.
    Sure, Ethernet can theoretically output 1Gb bandwidth, but in reality, it gets no-where near it.
    USB theoretically can reach speeds of 480Mbps (USB 2.0)

    My guess would be that you USB device is going into low power mode for some reason; Check your device manager (Control Panel > System > Hardware > Device Manager > Check the USB Ports aren't disabling themselves to save power)

    USB 2.0 (Not 1.1) can theoretically hit 480mbps... however there is a good chance it doesn't get anywhere near that.
    Same with sata hdd'S , theoretical 300mbps speed but tbh not much faster than ide.

    so don't use the usb!,
    the modem is prob usb 1 not 2 therefore top speed is 11mbs- network translation and packet over heads plus drain on cpu time, 5mbs sounds bout right
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