Coolant Distribution Unit · CDU
Unit that pumps and conditions coolant to racks while isolating it from the facility water system.
Current numbers
~16–52 wkCDU lead time (direct-to-chip liquid cooling) — 16–24 wk standard, 26–52 wk in the current queue
±3% RPM/min, ≤10% valve/minvendor-typical CDU pump and valve slew limits in predictive deployments
22–28%CDU energy saved by predictive control while holding die temps within ~2 °C of throttle on steep spikes