Beyond the Spec Sheet, What Really Separates Liquid Cooling CDUs

COP 5.0 That Drops to 3.5 vs 4.5 That Holds: Part-Load Curves, System Matching and the Six-Dimension Evaluation

Spec sheets lose comparability because parameters describe performance under each vendor's test conditions, and a COP of 5.0 at the design point may drop to 3.5 at part load while another unit at 4.5 design COP holds 4.0 and wins on annual efficiency. IT load averages 40% to 70% of nameplate, so part-load curves matter more than the full-load point, separating ±0.5°C from ±2°C control. Two hidden dimensions decide long-term cost: intelligent control and reliability and maintainability, with MTBF numbers resting on different calculation methods. Evaluation needs six weighted dimensions from lifecycle cost to service capability. EXTRCOOL provides one-stop liquid cooling solutions."

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Area 51, NV, USA

EXTRCOOL INDUSTRY LIMITED

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