CDUs & Direct Liquid Cooling

Cooler Master unveils 2,500 kW liquid-to-liquid in-row CDU

What changed

Cooler Master showed a liquid-to-liquid in-row coolant distribution unit rated at 2,500 kW at OCP Global Summit 2026. The reported specification includes a 990 GPM flow rating and networking of up to 32 CDUs, with mass production targeted for Q4 2026.

Why it matters Editorial analysis

In-row CDU ratings have moved into the multi-megawatt range, which changes how many units, pipe runs and redundancy groups a liquid-cooled hall needs. A target production date is not the same as shipping availability, so procurement plans should track when the unit is actually orderable.

Questions a buyer should ask

  • At which facility-water and technology-cooling temperatures is 2,500 kW rated?
  • What redundancy scheme (N+1 pumps, multiple units) does the 32-unit networking support?
  • Is regional service and spares support in place before mass production starts?

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