You linked SODIMM RAM, which is meant for laptops. Although they do make converters you need regual DIMM RAM. Use pcpartspicker.com to help you find the best prices.
https://www.asrock.com/mb/AMD/970%20Pro3%20R2.0/#Memory
Although you can check to see if its compatible with your board there's no way to guarantee it will work with what is already in there.