The Standalone Coolant Distribution Units (CDU) segmentation by type distinguishes three engineering families: electric‑driven, hydraulic‑driven, and thermoelectric CDUs. Electric‑driven units dominate the market, accounting for roughly 55 % of total revenue, due to their high efficiency, precise flow control, and compatibility with modern data‑center infrastructure. Hydraulic‑driven CDUs, representing about 30 % of the market, are preferred in heavy‑industry environments where robust pressure handling and rapid response to load fluctuations are critical. Thermoelectric CDUs, a niche segment with an estimated 15 % share, serve specialized applications requiring silent operation and minimal vibration, such as laboratory equipment and medical imaging systems. Each type contributes to the overall market size by aligning with distinct cost structures, maintenance regimes, and performance criteria, thereby shaping procurement strategies across end‑users. The relative weight of each type reflects both technological maturity and the evolving demand for energy‑efficient cooling solutions in high‑performance computing and industrial processes.