Enterprise 0U Rack PDU Showdown Eaton vs Raritan vs APC

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Enterprise 0U Rack PDU Showdown Eaton vs Raritan vs APC

An enterprise-grade 0U pdu is the backbone of your rack’s power infrastructure. Making the right choice is critical. Uptime Institute reports show that power issues cause up to 54% of major data center outages, making reliable power distribution essential. The global data center PDU market is growing fast and is expected to reach USD 4.18 billion by 2032, highlighting the importance of choosing a high-quality unit. Many environments now also benefit from using a switched PDU for outlet-level control and advanced monitoring.

Your environment’s needs will guide your PDU selection.

For deep integration with virtualization platforms, you should consider Eaton’s G3 and NBYOSUN series.

If you need granular, outlet-level data, Raritan’s PX series leads the market.

For a balanced and reliable PDU within a mature software ecosystem, APC’s NetShelter line is an excellent choice.

Your best PDU depends on your main goal: deep system integration, advanced data analytics, or overall ecosystem reliability.quality, intelligence features, and software integration to help you decide.

Key Takeaways

  • Choose your PDU based on your main goal. Eaton is good for deep system integration. Raritan is best for detailed data. APC offers strong overall reliability.
  • A well-built PDU has a strong metal body, many outlets, and good power capacity. Look for features like outlet grips to keep cords secure.
  • Modern PDUs offer different levels of intelligence. Metered PDUs show power use. Monitored PDUs let you see data remotely. Switched PDUs allow you to turn outlets on or off from far away.
  • Smart PDUs connect to your network. They work with software to help you manage power and monitor your rack. They can also connect to sensors for temperature and humidity.
  • Consider the total cost of a PDU, not just the price. A good PDU saves money over time by making things more efficient and preventing problems.

Core Hardware & Build Quality of a 0U Rack PDU

The physical construction of a 0U rack pdu is its foundation. A well-built pdu ensures reliability and safety inside your server rack. You should examine three key areas: the chassis, the outlets, and the power components. These elements determine how the pdu will perform under daily stress.

Chassis Construction and Durability

A sturdy chassis protects the internal electronics of the pdu from physical damage. In a busy data center rack, bumps and vibrations are common. Top brands use strong materials to ensure long-term durability. For example, both APC and Raritan build their pdu units with high-grade metal.

BrandPrimary Chassis Material
APCHigh-grade metal (typically powder-coated steel or aluminum)
RaritanHigh-grade metal (typically powder-coated steel or aluminum)

Experience in manufacturing also signals quality. For instance, YOSUN brings over 25 years of expertise in making sockets and PDUs, showing a deep commitment to building quality products.

Outlet Configurations and Grip Tech

You need a pdu with the right number and type of outlets for your equipment. Most enterprise gear uses IEC C13 and C19 connectors. A good pdu offers a high-density layout to power everything in your rack.

Pro Tip: Look for a pdu with outlet-gripping technology. This feature secures power cords, preventing accidental disconnections that can cause downtime. It is a simple but critical feature for any production rack.

Manufacturers like YOSUN provide a wide range of outlet types to meet global requirements, ensuring you can find the right pdu for your specific needs.

Power Capacity and Breaker Tech

Your pdu must safely deliver enough power to your rack. You should match the pdu’s amperage and voltage to your power circuit and equipment load. High-density racks often require high-capacity power.

VendorMax Amperage (per line)Max Voltage (three-phase)
Raritan125 Amps480V/277V
APCUp to 60 Amps208V

Leading vendors offer a wide range of power options for any environment.

  • Input Currents: From 12A up to 100A per line.
  • Input Voltages: Single-phase (120V, 208V, 230V) and three-phase (208V, 400V, 480V).

Finally, reliable hydraulic-magnetic circuit breakers protect your equipment from overloads without nuisance tripping. This makes your 0u rack pdu a safer, more dependable choice.

PDU Intelligence Levels & Monitoring Capabilities

PDU Intelligence Levels & Monitoring Capabilities

Modern PDUs do more than just distribute power. They provide critical data and control for your rack. The intelligence level of a PDU determines what you can see and do remotely. Choosing the right level helps you manage your power more effectively and prevent downtime.

Basic, Metered, and Monitored PDUs

You can group PDUs into several main types based on their intelligence. Each type serves a different purpose in the data center rack.

A Basic PDU is the simplest option. It delivers power to your equipment without any monitoring features. You might choose this PDU for simple setups or when your budget is very tight.

A Metered PDU adds a local display. This display shows you real-time power data for the entire PDU. You can walk up to the rack and see the total power draw. This helps you balance loads and avoid overloads.

FeatureBasic PDUMetered PDU
Primary FunctionSimple power distributionPower distribution with local monitoring
Data DisplayNoneBuilt-in digital display
Overload PreventionNo built-in alertsAlarms for approaching circuit limits
Best ForSimple setups on a tight budgetRacks needing basic energy tracking
CostLowModerate

A Monitored PDU takes this a step further. This PDU connects to your network. It allows you to view power data from a web browser anywhere. This remote capability is the first step toward true intelligent monitoring. For example, the Eaton ePDU G3 offers billing-grade accuracy for its inputs, letting you track usage precisely for cost allocation. Similarly, a Raritan PX4 smart PDU provides real-time power quality metrics like voltage distortion, giving you a deeper look into your power health.

Switched and Outlet-Level Control

A Switched PDU gives you the ultimate control over your rack. This type of PDU includes all the features of a Monitored PDU but adds one critical function: remote outlet control. You can turn individual outlets on or off from your desk. This capability is essential for managing a remote or lights-out data center.

With a Switched PDU, you can perform several key actions:

  • Remote Reboot: Restart an unresponsive server without physically going to the rack.
  • Power Sequencing: Power on devices in a specific order to prevent a sudden power surge from tripping a breaker.
  • Outlet Lock-out: Disable unused outlets to prevent unauthorized equipment from being plugged in.

This level of control makes your operations more efficient. It also reduces the need for technicians to be on-site for simple power tasks. The APC Rack PDU line, for instance, offers robust outlet-level control that integrates with DCIM software for complete power management.

Intelligence Features Comparison

Top enterprise vendors pack their PDUs with smart monitoring features to improve reliability. These features help you gather data and prevent accidents. A high-quality 0u rack pdu from a leading brand like YOSUN will offer a range of smart capabilities to meet diverse needs.

One key concern is preventing accidental disconnections. A simple bump of a power cord can bring down a critical server.

  • Eaton directly addresses this with its patent-pending IEC outlet grip. This feature holds cords securely in the PDU.
  • APC uses color-coded outlets. This helps you quickly identify primary and secondary power sources, reducing human error during maintenance.
  • Raritan PDUs are compatible with locking power cables, which provide another layer of physical security for your connections.

These features show how a smart PDU is more than just a power strip. It is an active component in your strategy for maintaining uptime. The right PDU gives you the data and control needed to manage a modern, high-density IT environment effectively.

Remote Management & Software Ecosystems

A smart PDU becomes truly powerful when you connect it to your network. This connectivity unlocks remote management, data analysis, and automation. The software ecosystem surrounding your PDU is just as important as its hardware. It determines how you interact with your power data and manage your infrastructure.

Network Interface and Security

The network interface card is the brain of your intelligent PDU. It lets you access the PDU from anywhere. This remote access requires strong security to protect your critical infrastructure. You should look for a PDU that supports modern security protocols. These include SNMPv3 for secure monitoring, HTTPS for encrypted web access, and SSH for secure command-line management. These features prevent unauthorized users from accessing or controlling your power.

Managing network ports can be a challenge in a dense data center. Using one network port for every PDU is not efficient. Top vendors solve this problem with daisy-chaining technology.

  • Eaton Metered Input rack PDUs offer remote monitoring.
  • You can daisy-chain up to four of these PDUs together.
  • This setup allows multiple PDUs to share a single network connection and IP address.

This feature saves you valuable switch ports and simplifies network management. Raritan and APC offer similar cascading features, helping you build a scalable and efficient power monitoring network for every rack.

DCIM and Software Integration

Your PDU collects a large amount of data. Data Center Infrastructure Management (DCIM) software helps you make sense of it all. This software provides a single dashboard to view power and environmental data from your entire facility. A good PDU integrates seamlessly with these platforms, providing the foundation for reliable power distribution.

Each major vendor offers a powerful software suite:

  • Eaton’s Intelligent Power Manager (IPM) excels at integrating with virtualization platforms like VMware. It can trigger live migrations of virtual machines during a power event.
  • Raritan’s Power IQ focuses on deep data analytics. It helps you track energy usage, calculate PUE, and manage rack capacity with incredible detail.
  • APC’s EcoStruxure IT provides a mature, cloud-based platform for monitoring your entire infrastructure, from the rack to the cooling units.

Note: Your PDU should also support open standards like SNMP. This ensures you can send data to a third-party DCIM tool if you do not use the manufacturer’s software. This flexibility protects your investment.

Environmental Monitoring Options

A modern PDU does more than manage power. It can also be the central point for monitoring the environment inside your rack. Overheating is a leading cause of hardware failure. By adding sensors to your PDU, you can get early warnings about potential issues.

You can connect external sensors to your PDU to track key conditions. These sensors help you protect your equipment and ensure optimal operating conditions. Leading brands offer a wide range of sensors that plug directly into the PDU.

BrandSensor TypeFunction
RaritanTemperature and Humidity SmartSensor (DS2-T1H1)Monitors and records temperature and humidity data.
RaritanTemperature SmartSensor (DX2-T1)Monitors and records temperature data.
Tripp Lite by EatonEnviroSense Rack Environment SensorProvides remote temperature/humidity monitoring and a dry-contact interface.
Tripp Lite by EatonEnviroSense2 (E2) Water Leak Detection SensorDetects leakage of water or other electrically conductive fluid.
Tripp Lite by EatonEnviroSense2 (E2) Environmental Sensor ModuleMonitors ambient temperature and humidity, as well as contact closure status.
APCNetShelter Rack PDU Advanced Temperature SensorAdvanced temperature sensing for rack PDUs.

Adding these sensors transforms your 0u rack pdu into a complete rack monitoring solution. You can receive alerts for high temperatures, water leaks, or even an open rack door, giving you total control over your environment.

Total Cost of Ownership (TCO) Analysis

When you select a PDU, you must look beyond the sticker price. The total cost of ownership (TCO) gives you a complete picture of your investment. It includes the initial purchase, warranty coverage, and long-term operational value. Analyzing TCO helps you choose a PDU that provides the best value over its entire lifespan.

Upfront Purchase Price

The initial cost of a PDU varies widely based on its features. A basic PDU is the cheapest, while a switched PDU with outlet-level monitoring costs more. You should compare prices for models with similar features. For example, an Eaton Metered Input Rack PDU (EMI103-10) with 24 outlets for your rack might cost around $766.17. Another comparable Eaton G4 model is available for about $711.66. These prices show that intelligent features come at a premium, but they provide essential data for managing your power.

Warranty and Support

A strong warranty protects your hardware investment and ensures peace of mind. Most enterprise vendors provide a standard warranty that covers defects for a set period. You should check the warranty details before you buy a PDU.

For instance, Raritan offers a standard 2-year warranty from the shipment date for its power distribution products, which include:

This warranty ensures your PDU is protected against manufacturing issues. Eaton and APC offer similar multi-year warranties, often with options to purchase extended support for longer coverage.

Long-Term Value Proposition

The true value of a 0u rack pdu emerges over time. An intelligent PDU helps you save money by improving efficiency and preventing costly downtime. By monitoring power usage, you can identify and decommission underutilized servers, lowering your energy bills. Remote reboot capabilities reduce the need for technicians to visit a site, saving on labor costs. Ultimately, a reliable PDU protects the expensive equipment in your rack, making it a small investment that safeguards much larger ones.


Choosing the right 0u rack pdu depends on your main goal.

  • For Deep Integration: You should choose an Eaton PDU. Its software creates a unified dashboard with VMware, giving you great control over your rack and PDU.
  • For Granular Data: You will find a Raritan PDU is your best option. Its platform lets you track energy use for each device in the rack.
  • For Ecosystem Reliability: You can depend on an APC PDU. Its award-winning software provides reliable power distribution and simplifies management.

Your final choice of PDU should match your top priority.

FAQ

What is the most important feature in a 0U rack PDU?

The most important feature depends on your goal. You should choose a PDU based on your top priority. This could be deep software integration, detailed power data, or overall system reliability. Your specific need guides the best choice for your rack.

Why should I choose a switched PDU over a metered one?

You should choose a switched PDU for remote control. It lets you reboot unresponsive servers from your desk. You can also turn off unused outlets for better security. This feature saves time and reduces the need for on-site staff.

Can I mix PDU brands with different DCIM software?

Yes, you can mix brands. Most enterprise PDUs support open standards like SNMP. This allows them to send data to third-party software. However, you get the best features and smoothest integration when you match the PDU brand with its own software.

Do I need environmental sensors for my PDU?

You should use environmental sensors to protect your equipment. They plug into your PDU and monitor conditions like temperature and humidity inside the rack. These sensors provide early warnings about problems like overheating, which helps you prevent costly hardware failures and downtime.

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