Quiet HDB fan: A hydrodynamic bearing fan delivers long-lasting quiet and effective cooling. Single +12V rail: All power comes from a single +12V source, ensuring consistent output through all connected cables. 80 Plus Bronze efficiency certification: This unit is certified to achieve more than 88% efficiency at typical loads in a 230V test. DC-to-DC technology: The DC-DC circuit design offers reliable, stable output to all connected components. ATX 3.1 support: Compliant with ATX 3.1 to fully support a peak power 1.5 times higher than the rated maximum wattage, this unit is ideal for use with the 50 series GPUs.