Why it matters

DLC is dominant modern cooling. Understanding shapes buildouts.

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The architecture

Cold plate on GPU/CPU.

Primary loop: to CDU.

Secondary loop: to facility water.

DLC architectureCold plateson hot chipsPrimary loopserver to CDUSecondary loopCDU to facilityGB200 racks: 100% DLC; NVL72 needs 100+ kW/rack cooling
DLC.
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How it works end to end

Cold plate: copper micro-channel.

Primary: warm water 40C+.

CDU: separates loops.

Facility loop: cooling tower / chiller.