AI racks have outgrown air. Once a cabinet passes roughly 30 kW, removing the heat with air alone demands airflow volumes that a sealed steel box simply cannot deliver—there is no raised floor to pressurise, no spare cold aisle, and every additional fan quietly eats into the very power budget you are trying to protect. At the edge, where there is no plant room and no chilled-water loop to connect to, that ceiling arrives sooner than most roadmaps expect. The 20ft Cold Plate
