The CA-series are easy to use, easy to install, and simple to casual users, but still maintains high power efficiency. At 400 watts, the CA-400 provides just the right amount of watts to meet your needs and more. Great for casual users who don't really need a whole lot. With the 80mm cooling fan system built for longer life, your system stays quiet and cool. It also has a universal connector that fits most branded motherboards along with others for your other peripherals.