Overview and Industrial Analysis of Rack Level Liquid Cooling Systems for AI Data Centers

Cabinet as Thermal Unit: Cold Plate, Immersion and Rear Door Routes Under One Rack-Level View

Rack level liquid cooling treats each server cabinet as an independent thermal management unit, integrating CDU, cold plates, sealed pipelines, heat exchangers and intelligent control to boost cooling performance and cut power consumption. Three architectures dominate: direct-to-chip cold plates, full immersion and rear door heat exchange, with rear door solutions enabling low-threshold incremental upgrades for legacy air-cooled facilities. As ultra-high-density racks exceed 80kW, high-flow CDUs deliver sufficient circulating capacity for full-load GPU and CPU clusters, while industrial-grade equipment supports long-cycle, multi-rack hyperscale operation. EXTRCOOL provides one-stop liquid cooling solutions.

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Area 51, NV, USA

EXTRCOOL INDUSTRY LIMITED

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The CDU, the Heart and Brain Liquid Cooling Cannot Do Without

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