BUILT TO LAST The GX II Gold brings a new standard of durability and efficiency to Cooler Master's line-up of power supply units combined with ATX 3.0 support. It contains silent fan performance with zero-RPM mode, fully modular cabling and is 80 PLUS Gold certified to achieve more than 90% efficiency. 80 PLUS GOLD CERTIFIED The GX II Gold is certified to achieve more than 90% efficiency at typical loads. ZERO-RPM MODE ZERO-RPM MODEA zero-RPM default mode automatically turns the fan on when your PC reaches a specific temperature. Fan size: 120mm. Speed: 2500±10% RPM Japanese Design Main Capacitors Separated thermal technologies provide improved thermal performance and a large, high-quality Japanese capacitor features reduced ripple noise and enhanced reliability Modular cabling Clutter-FreeModular cabling reduces clutter, increases airflow, and improves overall thermal performance.