Let's take a look at this 650 W power supply with standard 80 Plus Bronze certification from Cougar.
Here is a snippet:
"Cougar is a brand that belongs to HEC/Compucase, originally targeted to the European market. Recently, they started expanding to the North American market as well. The RS series is comprised of models from 300 W to 650 W. Let's see how the 650 W model fared in our tests."