Optimizing Data Center Rack Resiliency for AI Workloads

November 24, 2025

The rise of artificial intelligence (AI) has driven a shift towards high-density data center environments, where ensuring rack resilience and safe management is as important as ever.

AI is rapidly transforming data center infrastructure. Just a few years ago, peak server usage hovered around 100 watts. Today's AI-optimized servers already draw around 400 watts, with future designs expected to approach 1,000 watts. As a result, even a small row of AI-focused servers can collectively demand nearly 1 gigawatt of power.

These increasing power requirements have a direct impact on rack resiliency and safety. Prabhakar Muthuswamy, Manager of Product Management for Legrand’s Power, Access, and Control teams, discussed this in a recent interview with Data Center Knowledge. The discussion addressed several key aspects of achieving rack resilience, including remote monitoring, effective heat dissipation, access control, and ensuring proper safety.

Enhancing Data Center Rack Resiliency

Monitoring and Data Capture
Intelligent Rack PDUs and sensors collect and transmit power and environmental data, allowing technicians to analyze conditions either remotely or on-site for troubleshooting and preventative maintenance. These PDUs include metering and monitoring features that detect potential issues, such as outlets drawing excessive power that could lead to breaker trips. To support the demands of high-density AI server deployments, intelligent PDUs now provide advanced power quality metrics, including harmonic distortion and trip forensics. This gives users detailed historical insights into rack performance, helping to ensure reliable and consistent operation.

Access Control
Remote access capabilities play a critical role in enhancing security and control at edge data centers, which do not have staff on site. To safeguard these sites, it’s essential to implement cabinet-level access controls and video surveillance systems. Even when off-site, technicians require real-time visibility into operational status and performance metrics. As a result, comprehensive monitoring is necessary across the entire environment- including servers, racks, busways, and facility climate conditions. The ability to continuously monitor, capture, and analyze data is vital for identifying issues early and avoiding expensive downtime.

Heat Management
Traditional air cooling can no longer meet the demands of high-density and AI server deployments. With liquid cooling gaining traction as a more effective solution, the need for robust remote environmental monitoring is becoming increasingly critical, especially for the early identification of potential leaks and other system anomalies.

Sensors play a vital role in tracking temperature, humidity, and airflow within racks and cabinets, providing early warnings about conditions like overheating or potential water leaks from cooling systems. While liquid cooling solutions are engineered to minimize the risk of leaks, unexpected failures can still occur. In such cases, sensor-triggered alerts help technicians respond quickly, reducing the risk of equipment damage and costly downtime.

Addressing Operator Safety

Remote Activation
Operator safety is another important consideration for data centers beyond ensuring rack resilience. Standard safety procedures often require powering down the busway before adding new equipment. However, modern remote activation technology now allows technicians to safely add circuits to a live busway from outside the arc flash boundary. This advancement reduces the need for personal protective equipment (PPE) during power-up, as remote activators let personnel maintain a safe distance from potential arc flash hazards.

Cabinet Durability Testing
A key factor in both rack resilience and operator safety is the structural integrity of racks and cabinets. With the average fully loaded rack now reaching around 3,000 pounds—more than double the weight of earlier generations—today's data center infrastructure must be built to support significantly heavier loads. This shift underscores the need for stronger, more durable cabinet designs.

Legrand ensures that their cabinets undergo rigorous testing to verify their strength and reliability, including the tilt test mandated by UL2416 Certification. This test involves holding the cabinet at a 10-degree angle for one minute to confirm stability and prevent tipping. Additional functional and mobility tests simulate real-world conditions by rolling fully loaded cabinets over ramps, slopes, and around obstacles, ensuring they can withstand the demands of transportation and deployment.

How to Improve AI Rack Resiliency

To learn more about AI rack resiliency and safety, check out the Data Center Knowledge FastChat: AI Rack Resiliency & Safety—Ensuring Reliable Power Infrastructure interview, and let us know how we can assist you with your AI data center projects.