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How to check the network interface card or ethernet adapter speeds on your iMac

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The purpose of this page is to assist you with checking your network interface card or ethernet adapter speeds as they are a good indicator of where a bottleneck may lay.


 

 

Checking on an iMac

  1. Make sure your Ethernet cable is plugged in, and verify that you are connected to the network in System Preference > Network.
  2. Locate the Network Utility on your mac. It is in Applications > Utilities > Network Utility. Alternatively, search Network Utility in Spotlight Search.
    • clipboard_6219b97b-2616-45b8-9ddc-d50de3df7022.png
  3. In the Info tab, under Network Interface, use the drop-down menu to select the Ethernet.
    • clipboard_494dd330-cf1e-40b0-9758-382f02d1ae19.png
  4. You should be able to view network connection details including network addresses, and connection link speed.

If you have a 100mbps Ethernet Card/Network Interface Card on a Gigabyte connection, upgrade the card to 1Gbps or test speeds with another PC which has a Gigabyte Ethernet Card/Network Interface Card.