A rack mount power supply is a compact, rack-friendly power conversion unit that sits inside a 19-inch rack enclosure and provides DC output rails to IT and networking equipment. Typical configurations include single-output rails, multi-rail outputs, and redundant or hot-swappable. . Comark's Industrial Grade 2U and 4U Rackmount Servers are built to deliver high performance and reliability in demanding environments. From basic to advanced, switched PDUs, Eaton as rackmount PDUs for everything from small network closets to the. . Rack mount power supplies (RMPS) are more than just a box that converts AC to DC; they are the engineered core of data centers, network closets, telecom rooms, and industrial automation environments. Select from a wide variety of options in our 19" Industrial Rackmount Servers. A compact 17-inch one-socket rack server ideal for Near-Edge and SMB customer needs.