Flexible Cooling Architectures Power Efficient High-Density AI Data Center Operations

60kW Rear Door Alone, 120kW With D2C: Dell's Flexible Rack Cooling Math

Dell Technologies has expanded its Smart Cooling portfolio with flexible cooling architectures for high-density AI operations, centered on rear door heat exchangers that capture server exhaust at the rack and support up to 60kW per rack standalone, reaching 120kW when combined with direct-to-chip cooling. The integrated cabinet heat exchanger captures 100% of IT heat at rack level, cutting room-level air conditioning load. As the loop's control hub, high-efficiency CDUs deliver constant coolant to cold plate and rear door circuits with reliable 7×24 operation, while low-noise models suit edge and office-integrated sites. EXTRCOOL provides one-stop liquid cooling solutions.

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Area 51, NV, USA

EXTRCOOL INDUSTRY LIMITED

Associated Trend items

Cooling the AI Boom, Liquid Cooling Routes and the Vendors Racing In

Six Components, Two Routes and Eight Vendors Scaling: Who Holds Certification, Yield and Capacity for the Next Round

The AI liquid cooling system rests on six components: CDU, cold plate, rack, fan wall, manifold and quick connector, with liquid-to-liquid on GB200 NVL72 and NVL36 enabling retrofit deployment. Tier 1 vendors are scaling fast: Kaori's May revenue rose 42.2% year on year, Auras guides liquid cooling from 12% of revenue in 2024 to 40-45%, AVC builds three Vietnam plants fo...

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The Heart of Liquid Cooling, Inside the CDU and Where the Market Is Going

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The CDU is the control hub between primary cold source and secondary IT equipment, running plate heat exchange with hydraulic isolation and leak detection with N+1 redundancy. Dongwu Securities puts the global CDU market at about $3.6 billion in 2026 and $33.4 billion by 2030, with the domestic market past RMB 9.2 billion in 2025; Envicool leads cold-plate delivery at 30...

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The Manifold, the Blood Vessel Trunk That Feeds Every Server

Supply and Return as One Loop: The Four Jobs—Distribution, Collection, Isolation, Venting—That Feed Every Server

The manifold sits at the rack rear between the CDU and the server cold plates. The CDU handles total flow; the manifold splits coolant evenly to every cold plate layer, gathers it after heat absorption and returns it to the CDU, closing the loop. Its jobs: even distribution preventing bias flow and GPU hot spots, collection back to the CDU for re-cooling, per-branch ball...

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liquid-air cooling distribution unit

finned tube heat exchanger

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