How do you confirm network adapter is gigabit capable?

Posted by StrandedPirate on Server Fault See other posts from Server Fault or by StrandedPirate
Published on 2013-11-07T01:39:29Z Indexed on 2013/11/07 3:58 UTC
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Upgrading my network to gigabit speeds and don't know how to determine if the NIC in one of the systems is capable of gigabit speed.

The documentation from the manufacturer states this:

Network adapter
10/100/1000 Ethernet LAN on system board

However when I go to the properties of the NIC under Speed & Duplex my only options are:

10 Mb Full
10 Mb Half
100 Mb Full
100 Mb Half
Auto

Is there a command line I can run that will give me more detail about the NIC?

Windows 7 x64 OS


New Info:
The new switch I just bought has a light to indicate 1000Mbps. I can tell from the light that this NIC is indeed negotiating at 1000Mbps but I'd still like to know how to determine this from the console in windows.

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