The Dagger Pro is FSP's latest 80 PLUS gold SFX power supply series. It features of a fully modular design and flat ribbon cables in a compact size that is suitable for pc host machines, VR, Micro ATX and home media systems. The Dagger Pro Series comes in four models 550W, 650W, 750W, and 850W. With the Dagger Pro, you get twice the power density of a standard ATX PSU without sacrificing quality or performance.