The CORSAIR RM850 is a premium power supply unit (PSU) providing 850 watts of power with 80 Plus Gold certification, ensuring high energy efficiency. Its fully modular design allows users to connect only the cables needed for their system, enhancing cable management and airflow. The PSU features a robust 140mm rifle bearing fan with a zero RPM mode, prioritizing quiet operation during low loads. It includes triple EPS12V connectors for compatibility with modern hardware, catering well to high-end gaming and workstation builds. Industrial-grade capacitors rated for 105°C assure durability and reliability in various operating conditions, making the RM850 a robust choice for discerning PC builders.