CDU Moves From Cooling Equipment to Standard AI Data Center Module

Not a Heat Exchanger Plus a Pump: Why Redundancy, Racks Served per CDU and Thermal Buffer Decide Reliability More Than Megawatts

Cooling logic is changing as GPU racks move from 10 or 20 kilowatts toward 100 and 200, and the air-liquid cooling CDU connects facility water with the secondary loop from CDU to manifold to rack to cold plate without mixing media, an engineering boundary across water quality, pressure and cleanliness. It integrates headers, valves, sensors, filtration, leak detection and PLC control, not a heat exchanger plus a pump. Megawatt capacity is not decisive, architecture is, with redundancy and racks served per CDU deciding reliability, and the CDU moves from room device to factory-integrated cooling module with pre-commissioning before shipment. EXTRCOOL provides one-stop liquid cooling solutions.

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Area 51, NV, USA

EXTRCOOL INDUSTRY LIMITED

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CDU at the Core of Liquid Cooling Data Center Thermal Management

30-to-40% of System Cost, 2.6-to-3 MW in Mass Production: How 316L Plate Exchange, N+1 Pumps and Three-Tier Leak Protection Hold ±0.2°C

The cooling distribution unit sits at the center of liquid-cooled thermal management, accounting for 30 to 40 percent of system cost by linking cooling towers, dry coolers and chillers to the secondary server loop through a brazed 316L plate heat exchanger that keeps high-purity deionized water apart from industrial water while handling heat exchange, isolation, precise ...

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EXTRCOOL Builds In-House Manufacturing Capability for Liquid Cooling Cold Plates and Manifolds

Flow Channel Precision, Helium Leak Detection and a Unified Interface Datum: How Outsourced Component Manufacturing Closes the DFM Gap Between Design and Delivery

Cold plates, manifolds, connectors and pipes carry barriers in structural design, precision machining, welding and reliability testing, and project delivery faces process control difficulty, capacity fluctuation, supply interruption risk and a DFM gap between design and manufacturing. EXTRCOOL takes outsourced manufacturing of AI compute liquid cooling components with in...

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Manifold Design in Liquid Cooling: Flow Balancing, Structure and Supply Chain

Deviation Under 10%, Orifice Drop at 30-to-50% of Total and 0.1-mm Internal Channels: Why Precision Manifolds, Not CDUs, Are the Schedule Bottleneck

A manifold distributes coolant from the CDU to each cold plate and collects heated liquid back, and the core problem is flow balancing not water splitting, since header pressure changes cause maldistribution, throttling one server and starving another. Standards hold branch flow deviation within 10 percent and imbalance under 15 percent. Three structures: straight-throug...

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liquid-air cooling distribution unit

liquid/liquid cooling distribution unit

CDU-L2L

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