2-3  USB Blocker
GIGABYTE USB Blocker provides you with an easy-to-use interface that allows you to block certain USB device types on your PC. Devices classes that are blocked will be ignored by the operating system.

The USB Blocker Interface
   
Using USB Blocker
Select the class of USB device that you would like to block or unblocked. Double left-click to change the Blocked or Unblocked status and click OK. Then enter your password and click OK to complete.