The "80 PLUS Platinum" certification is a standard for power supply units (PSUs) that indicates high energy efficiency. To earn this certification, a PSU must achieve at least 90% efficiency at 20% and 100% loads, and 92% efficiency at 50% load. This means that less energy is wasted as heat, leading to lower electricity bills and a reduced environmental impact. PSUs with the 80 PLUS Platinum rating are ideal for high-performance computers, such as gaming rigs or workstations, where energy efficiency is crucial. By using a certified PSU, users can ensure they are getting reliable power while minimizing energy consumption, contributing to a more sustainable computing experience.