F E A T U R E

The rush to harness Artificial Intelligence is changing the economics and engineering of the data centre. Higher rack power densities mean more compute per rack, but they also mean more heat generated, closer to the chips. It’ s a clear indicator that direct-to-chip( D2C) liquid cooling is no longer a fringe option: it is a practical way to enable greater density, reduce energy consumption and protect long-term availability. For CIOs and technology leaders, the question is no longer‘ if’ liquid cooling should be considered, but‘ how’ to deploy it in a way that controls risk, supports SLAs and advances sustainability objectives, whether those are regulatory requirements or ESG goals. This article draws on field experience from recent deployments and operator feedback to set out a pragmatic framework for executive decision-makers. Rob Lowe Director, RD & E II – Global High Tech at Ecolab outlines the design choices, commissioning disciplines and operational practices that turn D2C from a promising technology into a predictable, business-grade capability.

EXPERT OPINION FROM ECOLAB

Ecolab is a global sustainability leader offering water, hygiene and infection prevention solutions and services that protect people and the resources vital to life. Customers in more than 40 industries choose Ecolab’ s comprehensive science-based solutions, data-driven insights and world-class service to maintain clean and safe environments and optimise water conservation and energy use.

Why D2C matters to CIOs

Air cooling has served data centres well for decades, but its limitations are beginning to come to the fore. Once rack densities cross certain thresholds, moving more air becomes inefficient or simply impossible. D2C systems place coolant directly at the point of heat generation, which improves thermal transfer and can reduce the load on room-level chillers. For those in the executive office, that translates into three measurable outcomes:

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