DCX Liquid Cooling Systems supplies liquid cooling for AI data centers, including ECDU and FDU coolant distribution units for large AI rack deployments.
DCX is the most technically aggressive name in this batch and the least capitalised. Its FDU V2AT2, announced January 2026, delivers up to 8.15 MW of heat transfer in a single facility distribution unit, which the company claims is the most powerful CDU ever made, with a 2 degree approach temperature and 45 degree Celsius warm-water operation matched to the NVIDIA design point for Vera Rubin rack-scale systems, and supporting NVL72 GB200 and GB300 Blackwell. The architectural argument is that one FDU replaces multiple legacy 1.3 MW row-level CDUs and removes chillers from the heat-rejection side in many deployments, shifting liquid cooling from a row-level accessory to hall-level infrastructure. The first-generation 5 MW FDUs, each supporting up to 60 AI racks at 80 kW, went operational in data centers in Europe and the United States on 2026-01-16. In March 2026 it added the ECDU portfolio of three enterprise models from 600 kW to 2.6 MW. The company announced a 600 percent revenue surge in December 2025. The constraint is capital: one database records DCX as unfunded, a hard limit on a hyperscale ramp, and it carries legacy exposure to crypto mining enclosures. Leverage scores 3 rather than higher because, unlike Johnson Controls, there is no stated NVIDIA certification or partnership, only architectural alignment.
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Traction: deployment, production, commercials, progress. Capability: technology, positioning, firepower, leverage.
DCX Liquid Cooling Systems supplies liquid cooling for AI data centers, including ECDU and FDU coolant distribution units for large AI rack deployments. DCX is the most technically aggressive name in this batch and the least capitalised. Its FDU V2AT2, announced January 2026, delivers up to 8.15 MW of heat transfer in a single facility distribution unit, which the company claims is the most powerful CDU ever made, with a 2 degree approach temperature and 45 degree Celsius warm-water operation matched to the NVIDIA design point for Vera Rubin rack-
DCX Liquid Cooling Systems is on the AI Core watchlist list of Frontier Tech Intelligence with a score of 77 out of 100, below the Top 100.
DCX Liquid Cooling Systems is based in Warsaw, Masovia, Poland.
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