Server racks contain a large number of devices that require stable electrical power. PDUs channel electricity from one primary input to several outlets inside the rack. Without a central distribution unit, separate supplies would be needed for every device, adding complexity and taking up valuable rack space. Centralised Power Distribution https://trentonpsuxa.techionblog.com/40298418/h1-how-pdus-support-power-management-in-server-racks-h1