Seasonic's 1U, 2U rackmount power supplies with Active Power Factor Correction, super high efficiency and reliability to meet industrial requirements that offer power ratings of 250 watts to 600 watts, operation with temperatures as high as 50°C. Ideally suited for use in extreme environments as well as for applications such as factory automation and other industrial applications. The devices are also well suited for use in a wide variety of applications including telecommunications, networking, instrumentation, test equipment, and measurement.