The Corsair CP-9020263-NA 850W 80 Plus Gold RM850e Fully Modular ATX Power Supply - Black offers quiet and reliable power, with 80 PLUS Gold efficiency and ATX 3.0 and PCIe 5.0 compliance. With shorter size and more cable space, the RMe series features Zero RPM Fan Mode for near-silent operation at lower loads. It also includes a robust resonant LLC topology with DC-DC conversion and 105° rated industrial-grade capacitors for consistent and reliable power. This power supply is 80 Plus Gold-certified and Cybenetics Platinum certified for lower power consumption, less noise, and cooler temperatures, making it the perfect choice for a wide variety of PC builds.