Rack-mount PDUs are also

Rack-mount PDUs are devices that distribute and manage power within server racks, offering features from basic power distribution to intelligent monitoring and remote control.OverviewRack-mount Power Distribution Units (PDUs) are designed to distribute electrical power to multiple devices within a server rack or cabinet, serving as the final link in the power chain for IT equipment . Unlike standard power strips, rack PDUs provide reliable, scalable, and often intelligent power management, ensuring mission-critical devices receive stable electricity while enabling energy optimization and monitoring .Types of Rack-Mount PDUsBasic PDUs: Provide simple power distribution without monitoring or remote control. They typically have fixed outlets and switches to supply power to connected devices .Metered PDUs: Include local digital displays to monitor current, voltage, and power consumption, helping IT managers balance loads and prevent overloads .Monitored PDUs: Extend metered PDUs with network interfaces for remote monitoring of power usage and environmental conditions, allowing administrators to track energy consumption from anywhere .Switched PDUs: Offer all features of monitored PDUs plus remote control of individual outlets, enabling IT staff to reboot devices or manage power without physical access to the rack .ATS (Auto Transfer Switch) PDUs: Provide redundant power options by switching to a secondary source if the primary input fails, ensuring continuous operation for single-corded devices .Hot-Swap PDUs: Feature dual AC inputs and manual transfer switches, allowing maintenance or replacement of UPS systems without interrupting power to connected equipment .Network Switch/PDU Combo Units: Combine a managed or unmanaged network switch with a PDU, integrating network connectivity and power management in a single unit .Installation and Form FactorRack PDUs can be mounted horizontally or vertically inside or outside the rack enclosure. Horizontal units typically occupy 1U or 2U of rack space and have 8–16 outlets, while vertical units can hold up to 54 outlets and are installed along the back or side of the rack to save space . They connect to upstream power sources such as floor PDUs, UPS systems, or generators, distributing power efficiently to all devices in the rack .BenefitsReliable power distribution for high-density IT environments .Energy monitoring and management to optimize load and reduce costs .Remote control and automation for maintenance and device management .Surge protection and redundancy to safeguard critical equipment . Rack-mount PDUs are essential for modern data centers, server rooms, and IT cabinets, providing both basic power delivery and advanced intelligent features to support efficient, safe, and scalable operations .