MICRO TOLERANCE LOAD REGULATION (0.5%); This power supply's remarkable electrical performance and reliability make it an excellent choice for high-performance applications. FULL MODULAR - Use just the cables that are required to decrease clutter and increase airflow for a better ventilated system. 87% efficiency at 20% load, 90% efficiency at 50% load, and 87% efficiency at 100% load. PREMIUM HYBRID FAN CONTROL; a cutting-edge fan control that allows users to minimize overall fan noise to a minimum.