How much speed support your NIC card (LAN Card) in your system?

Do you want to know your system NIC card (LAN Card) supporting speed just follow my steps 

• Go to the Control Panel".
• Select "Network and Sharing Center".
• On the Left panel select "Change Adapter settings"
• Right click on the "Local area Connection" and select "Properties".
• In the "Local Area Connection Properties" window select the "Configure" button.
• Select the "Advanced" tab.
• In the scroll list of options find "Speed & Duplex" or "Link Speed & Duplex" and select it.
• The NIC speed will be displayed in the "Value" drop down menu.

My system (NIC card) support up-to 1 G bps, What about your System ?