How do I know if my network card is capable of gigabit speeds under Windows 7?

  • Often times you can just tell by the name, what does it show under Control Panel\Network and Internet\Network Connections?
    – MaQleod
    Commented Mar 12, 2014 at 4:33

1 Answer 1


Go to Device Manager, and go to the properties of your network card.

In the Advanced tab, find the Speed & Duplex setting. The value of this should be "Auto Negotation", however, in the dropdown there is a list of speeds the card can support. If 1Gbps is in the list, the card supports gigabit.

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Leave the card set to auto-negotiate.

  • This might also be titled "Link Speed & Duplex"
    – MaQleod
    Commented Mar 12, 2014 at 4:36
  • 1
    This setting does not exist in my wireless card.
    – Eduardo M
    Commented Nov 6, 2020 at 20:03

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