HighPower Astro AGD-600F 80+ GOLD 600W ATX12V/EPS12V Power Supply HPB-600GD-F14C 80 Plus Gold Certified - Offers 89-91% efficiency at 20-100% load. Patented D-VRM Technology - Minimize voltage fluctuation down to 0.5%. (Industry standard 3-5%). Single +12V Output Rail - Offers maximum compatibility for the +12V demand. Silent Design - 135mm dual ball bearing Golf-Surfaced fan. Increase airflow and reduce overall noise level. 100% Japanese-made Capacitors - Longer lifespan than electrolytic capacitors. Advance DC to DC converter - Unparalleled DC to DC converters for 3.3V & 5V outputs to reach high efficiency. Reliable Japanese-made - Durability and stability under extreme conditions. Easily Detachable and Flexible Cables - Reduce clutter with cables you need and take out what you don't. Easy Swap Connectors - Quick and easy installation. Fanless and Energy Saving Mode - Auto thermal fan control activates when loading is above 230W, to provide sufficient cooling at adequate speeds. When under 230W, fanless mode activates for a silent operation. Off-Delay Fan - Allows fans to continue to operate a few seconds after shut down to help cooling cycle and extends component life span. Eagle Eye - Real Time Power Meter - Tri-color LED indicator allows for real time power consumption status.