Windows 8 and 8.1 Forums


Wired Gigabit network speed maxed at 10mbps?

  1. #1

    Wired Gigabit network speed maxed at 10mbps?


    tried wired and wifi same exact speed, as if its capped?

    I know a far bit about networks set my own up using servers and stuff in my basement and even tried a store bought router in case it was somehow my ddwrt router which it wasnt

    I have a new laptop ASUS ROG 17" G series its running 8.1

    the source server has 6 147gb 15,000rpm sas drives in a raid dual gigabit network cables running esxi and ubuntu server with dual gigabit network cables, extremely fast speeds

    everything is up to date on the laptop as far as I can tell I updated all drivers the gigabit network is using a Qualcomm Atheros driver from 7-16-2013 version 2.1.0.21 signed by MS its not a "genetic driver" or whatever sometimes shows up under device manager

    I have another normal desktop running 8.1 as well and it has no problems with network transfer speeds they exceed the drives capability to write to in the target drive from the server raid as does pretty much everything else I have, the server can serve files faster than anything can take them

    but the laptop seems to be capped at exactly 10MB/s according to teracopy (windows explorer transfer shows 11.8MB/s but I suspect its wrong its probably 10 thats what my router clams its going at not 11.8) and the graph is a steady line as if its capped like that

    what could be causing this problem, I can transfer from an external usb 2.0 drive faster than this network? - I have tried wired and wifi the speed is the exact same

      My System SpecsSystem Spec

  2. #2


    Change network adapter speed from automatic top set at 1Gbps. Might also be a driver issue on the laptop, check for an updated driver.

    Wireless well be much slower unless you are running on 802.11ac. I usually max out around 6MB/sec on 802.11n.
      My System SpecsSystem Spec

  3. #3


    Central IL
    Posts : 3,468
    Linux Mint 17.2


    Lets also see what your network hardware is. What is the manufacturer & model of your router. What is the manufacturer & model of your switch. If you have a separate access point, what is the manufacturer & model of that. If you have equipment wired through Ethernet, did you make sure that they tested for all wires properly terminated (ie use an Ideal LAN wire tester (they run around $60)).
      My System SpecsSystem Spec

  4. #4


    I will post all the specs when I get home posting this from my phone and I dont know everything off hand

    but that shouldnt matter since like I said it works with other 8.1 computers and all other stuff on the network
      My System SpecsSystem Spec

  5. #5


    Central IL
    Posts : 3,468
    Linux Mint 17.2


    Run a speedtest at either speedtest.comcast.net or speedtest.net on the Asus, and post the results of it.
      My System SpecsSystem Spec

  6. #6


    I am posting this from another computer so I cant just show a screen shot but I ran the test and its 21ms ping, 20.11 Mbps down, 5.50 Mbps up concast cable - this through wifi didnt try wired but since the problem is the same on wifi and wired that wont matter on both wifi and wired transfer speeds are the exact same
      My System SpecsSystem Spec

  7. #7


    a speed test to the internet will be irrelevant as you will only have a fraction of the bandwidth to the Internet the you would have on your home network.
      My System SpecsSystem Spec

  8. #8


    Central IL
    Posts : 3,468
    Linux Mint 17.2


    Would need that pparks1, but also the OP needs to check the adapter settings as suggested earlier. If they are not doing the suggested fixes, not much more we can do. Also if it is wired, they need to get a tester to check to make sure that there are no faulty keystones, patch cords, wires, etc..

    This could be as simple as a bad patch cord, or a bad ethernet line from the patch panel or switch, to the computer.
      My System SpecsSystem Spec

  9. #9


    The OP is talking about LAN speed problems, not Internet, so speedtest.net (which is the most inaccurate speed testing site on the web) is useless in this regard.

    ~12MB/s is the maximum file transfer speed on a 100MiB/s connection. Obviously the NIC is connecting at 100MiB/s instead of 1GiB/s.


    OP, first check that your ethernet cord is a cat5e or cat6 cable. Look at the print on the cable.

    If its either, than check your NIC advanced settings.
    Win+R and type ncpa.cpl and press enter.
    Rightclick and click properties on the ethernet connection.
    Click configure and look through the options for link speed. Set it to gigabit-full duplex.



    If that fails or there is no option, refer to your NIC specifications, and look for a chipset driver for your NIC (assumjng its gigabit). Stay away from OEM drivers and go straight to realteck or whichever chipset mfgr's site fir the driver.



    Note: for true internet speed testibg, use TestMy.net Broadband Internet Speed Test
      My System SpecsSystem Spec

  10. #10


    Central IL
    Posts : 3,468
    Linux Mint 17.2


    It does not matter if it is Cat-5e or Cat-6.
      My System SpecsSystem Spec

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