80% plus Bronze, Silver, Gold, Platinum

What is the difference between Bronze, Silver, Gold and Platinum? Not Pubg ranks. Efficiency varies from one to another. Bronze is about 18% waste at 100% load and heat is released from the power supply. If you have 600 watts 80 plus bronze you will heat up to 108 watts. The more you buy Silver, Gold, Platinum, the lower the extra heat and the more expensive it will be. If you are afraid of overheating, you should use a good power supply before running out of good cooling.