Fluid Dynamic Bearing Fan for ultra-quiet operation and increased lifespan. Heavy-duty protections, including OVP (Over Voltage Protection), UVP (Under Voltage Protection), OCP (Over Current Protection), OPP (Over Power Protection), SCP (Short Circuit Protection), and Dual OTP (Over Temperature Protection) 100% Japanese Capacitors ensure long-term reliability Fully Modular to reduce clutter and improve airflow Auto ECO Mode to ensure silent operation under low to medium loads with no configuration necessary Unbeatable EVGA 7 Year Warranty and unparalleled EVGA Customer Support. 80 PLUS Gold certified, with 90% (115VAC) / 92% (220VAC~240VAC) efficiency or higher under typical loads