MSI ATX Motherboard - Manual (Page 28)

Killer Network Manager
22 Killer Network Manager
Network Settings
If Network block is selected, the following screen is displayed:
Upload Speed/ Download Speed
Configure the internet upload/ download bandwidth. We recommend setting these
values under the available bandwidth.
Enable Bandwidth Control check box
When check the check box, Killer Network Manager will control bandwidth usage.
Test Network Button
Test your upload and download speed automatically.