Data centre operators building for high-performance AI workloads have long run into a structural constraint: racks that can't carry the same load when they move as when they sit still. Vertiv's new Rack Extreme is designed to close that gap.
The Vertiv Rack Extreme, announced today in London, carries a static and dynamic load rating of 4,500 lbs (2,045 kg). That figure is the same whether the cabinet is stationary or rolling — unlike conventional designs, where rated capacity drops the moment the rack is in motion. Vertiv puts the difference at up to twice the dynamic capacity and 1.3 times the static capacity of standard alternatives.
Behind the headline number sits a fully welded cabinet construction with a high open-area mesh door, flexible rail systems, vertical cable bars and corner rPDU mounting points — all aimed at simplifying cable runs and airflow in dense GPU-heavy environments. The cabinet ships fully assembled and integrates with Vertiv's broader portfolio: UPS systems, rack PDUs, CoolLoop RDHx rear door heat exchangers, CoolChip CDU coolant distribution units, and Avocent KVM and serial console products.
The platform draws on Knürr-brand rack engineering expertise, a heritage Vertiv absorbed when it expanded its enclosure catalogue. Multiple size and configuration options are available, with accessories for overhead cable management and airflow optimisation to support simplified expansion.
Growing compute density is the pressure behind the release. As AI server weight and depth increase, operators must accommodate heavier, larger equipment while still maintaining practical flexibility on the data centre floor. A rack that loses load-bearing capability as soon as someone wheels it into position creates a real operational constraint during fit-out and reconfiguration. The Rack Extreme's equal static and dynamic ratings are the design response to that constraint.
Vertiv (NYSE: VRT) operates in more than 130 countries and spans power, cooling and IT infrastructure from cloud to edge.
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