The Antec NeoEco Gold 850W Modular Power Supply is built for the most passionate DIY-PC enthusiasts and offers excellent performance and stability. With its 100% full modular design and 80 PLUS Gold certifications, the NeoECO Gold Modular range keeps your PC hardware installation easy and clean. It continues to provide your system with extremely efficient electricity while minimizing your utility expenditures. The innovative thermal control with Zero RPM mode allows the fan to be turned off at low loads for complete silence.The NeoECO Gold Modular can improve the balance between cooling and noise with its 120mm quiet fan. High-quality Japanese heavy-duty caps provide more reliable performance for your system. The CircuitShield design provides industry-grade protection for your system, keeping it secure in any environment. It boasts a 120mm Silent Fan, improved airflow, and exceptional longevity. The Zero RPM fan mode also assures zero fan speed at low loads, reducing noise and maintaining total silence.