Gamdias Kratos M1-750B 750W 80 Plus Bronze ARGB Power SupplyThe Gamdias Kratos M1-750B 750W RGB Power Supply is a high-quality, ultra-quiet fan with an adjustable ARGB fan built-in. While retaining a safe and long-lasting power supply unit, it achieves 80 PLUS Bronze efficiency, considerably decreasing noise and operating costs. Ultra SilenceThe Gamdias Kratos M1-750B 750W RGB Power Supply is equipped with an ultra-quiet fan and a button to enable and disable silent mode. Turn on quiet mode to enjoy optimal automatic fan speed or maximize heat dissipation. 80 Plus Bronze CertifiedThe efficiency grade, not the build quality, measures how much power is maintained throughout transmission. With an 80 PLUS Bronze efficiency rating, the KRATOS M1-750B is a reliable and long-lasting power supply unit. Customizable and AdaptiveGamdias Kratos M1-750B 750W RGB Power Supply includes 30 built-in lighting effects that can be accessed with a simple button switch and supports ARGB sync through the motherboard manufacturer's sync software. The Gamdias Kratos M1-750B 750W 80 Plus Bronze ARGB Power Supply comes with a 05-years warranty.