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Prefabricated modular data center

A data center built and tested in the factory as functional blocks, then hooked up on site; the speed cuts the schedule and reshapes the risk profile.

Definition

A prefabricated modular data center is made of functional blocks (IT halls, chiller plants, electrical substations) built and tested in a factory, then simply hooked up on site. The first gain is time. Commissioning takes months where a traditional build takes years, hence its rapid adoption for AI compute capacity, where the commercial window is short and the installed hardware is worth a great deal. The risk profile moves both ways. Execution quality improves, because testing happens in a factory and is repeated identically instead of on a site that differs every time. That same standardization makes things worse elsewhere. A serial defect hits every module of a given generation at once, and with it a whole site, possibly several sites of the same client. Underwriters call that manufacturing accumulation, as distinct from geographic accumulation. Construction exposure also shifts toward transport and lifting, where damage strikes a fully built structure rather than raw materials, and the value at risk moves from erection to delivery.

Its 7 cross-references, woven across the glossary's 18 categories
Prefabricated modular data center: Infrastructure & data centers glossary illustration, AlgoPolis
Example

The Colossus compute cluster xAI assembled in Memphis, announced in September 2024 with 100,000 GPUs, was brought into service in 122 days inside an existing building, a schedule made possible by preassembled power and cooling skids.

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Related terms
Also known as

modular data centre, prefabricated data centre, containerised data centre, prefabricated data center, prefab data centre

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