CDU Becomes Core Control Hub of Data Center Liquid Cooling System Amid Global AI Computing Boom

Isolation, Temperature Control, Fluid Management: The Three Jobs Defining CDU's Value Share

The CDU has become the core control hub of data center liquid cooling amid the global AI computing boom, dominating thermal management with a high share of system cost through three functions: heat exchange isolation, ambient temperature control and intelligent fluid management. The global market shows a multi-polar pattern—North America leading in technology, Europe driven by green policies, and China rising as a core growth pole—serving megawatt-level heat loads at super-large computing bases. Products split between rack-mounted distributed and cabinet-mounted centralized types, with centralized high-power CDU gaining share as single-cabinet density rises. EXTRCOOL provides one-stop liquid cooling solutions.

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Area 51, NV, USA

EXTRCOOL INDUSTRY LIMITED

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The CDU, the Heart and Brain Liquid Cooling Cannot Do Without

Silent When Healthy, Fatal When Failing: The Five Selection Questions That Decide Whether the CDU Holds the Loop Together

The CDU plays the role the heart plays: it produces no cold, but without it the coolant never moves. Its heart role pumps and distributes via the manifold, while its brain role senses and controls. Selection answers five questions: total flow above all cold plate minimums, head above maximum loop resistance, exchanger capacity above peak load with fouling margin, redunda...

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The Manifold That Decides Where the Coolant Goes

From CDU to Cold Plate and Back: How the Manifold's Flow Distribution, Not Total Flow, Decides Precision Cooling

Rising AI GPU power is moving liquid cooling from whether it can cool to cooling precisely, and the manifold decides whether coolant reaches every position as it should. It distributes coolant through main channels to parallel branches and collects the heated return, following CDU to supply manifold to cold plate to return manifold to CDU. Poor design lets near-end branc...

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How a Liquid Cooling Manifold Gets Made, from Material to Final Acceptance

316L to Helium Testing: The Four Links—Material, Machining, Cleanliness and Verification—That Decide Manifold Quality

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