80 Plus Gold certified: Delivers 90% or more efficiency under typical load conditions and features various protections, including, Short-Circuit, Over-Voltage, Over-Power, and Under-Voltage. Fully Modular Power Supply: Allows for better cable management to create a neat computer case. Reduce dust build-up and improve airflow by using only the cables your build requires. Quality PC Parts: Built to be a high performance gaming power supply, the PMG550 features high quality computer components. Ultra Quiet Fan: Includes 135mm fan provides optimal airflow to maximize your PSU lifespan while maintain low noise level. 5 Years Warranty: Five year product guarantee assures continuous system performance of your 550w gaming power supply.