Comparison of Modular and Traditional Data Centers: Features, Benefits, Scalability, Cost, and Flexibility. Discover which model best suits your business needs. The datacenter industry has witnessed a dramatic transformation in rack power density over the past 25 years, accelerating from gradual increases in the virtualization era (5-15kW) to exponential growth in the AI era (100-350kW). This evolution has fundamentally reshaped datacenter design, cooling. Currently consuming approximately 1% of global electricity, this figure is projected to rise dramatically, with U. data centers potentially using up to 9% of the nation's power by 2030. This growth is heavily influenced by the proliferation of AI, Machine Learning (ML), and High-Performance. In today's rapidly evolving digital landscape, data centers must be designed with precision to support varying rack power densities—from standard IT workloads to high-performance computing (HPC) and AI/ML clusters. Over recent years, the average rack densit er densities were already high, with an average power ire even higher power, with some configurations reaching up to 50 kW per rack. Another example is networking equipment such as Cisco® Nexus 7000 series systems.