The Definitive Guide toAI Data Centers
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GuideGlossaryCDU

CDU · Coolant Distribution Unit

Heat exchanger plus pumps isolating the clean technology loop from facility water and providing leak containment.

Current numbers

~16–52 wkCDU lead time (direct-to-chip liquid cooling) — 16–24 wk standard, 26–52 wk in the current queueas of 2026-03 · register ↗
±3% RPM/min, ≤10% valve/minvendor-typical CDU pump and valve slew limits in predictive deploymentsas of 2026 · register ↗
22–28%CDU energy saved by predictive control while holding die temps within ~2 °C of throttle on steep spikesas of 2026 · register ↗

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