Smart BM1 Built with 140 mm hydraulic bearing fan, Japanese main capacitors and other high quality components to provide continuous and stable output power at 40 °C, almost noiseless operation and reliable performance. With a wide 5-year Smart BM1 warranty, it is able to satisfy a market where value-oriented users are looking for a new power supply with all the latest features. Ultra silent cooling fan 140 mm Equipped with a 140 mm cooling fan with intelligent rotary controls to provide excellent cooling performance and almost noiseless work. Single high-volume rail + 12V Powerful single rail + 12V provides stable and reliable power to other components of the computer. Low noise All noises are lower than 80 mV at + 12V and lower than 40 mV at + 5 V or + 3.3 V from 0% to 100% load to ensure stable operation and maintain key components for performance, such as high-end graphics cards, work reliably for longer.