Vertiv Power Adapter for Vertiv Avocent Rackmount Power Supply 12V to 5V 9 ft.Low voltage devices, like the Avocent HMX and Avocent LV Extender, often require the use of external power supplies for operation. Avocent power supplies provide great reliability and efficiency, but when IT infrastructures require flexibility coupled with the highest levels of efficiency, the Avocent RMPSU delivers.\n\nThe Avocent RMPSU increases reliability while providing economies of scale and convenience that aren't possible with external power