Specifications
Product
Delta Liquid-to-Liquid (L2L) CDU
Brand
Delta Electronics
Cooling capacity
300 kW
Type
Liquid-to-liquid (L2L) coolant distribution unit
Target
High-density AI racks and clusters
Announced
OCP Global Summit 2025
Companion products
2,000 kW L2L CDU; 800 VDC and +/-400 VDC power distribution
Part of
Delta integrated AI data center cooling portfolio
Overview
Delta's 300 kW liquid-to-liquid CDU covers the rack-and-cluster scale between a single in-row cooler and the company's 2,000 kW hall-scale unit. It was announced alongside that larger CDU at the OCP Global Summit 2025.
A 300 kW L2L CDU is sized for a small group of high-density GPU racks: it takes heat from the rack coolant loop and transfers it to facility water, keeping the chip-side loop sealed and controlled. It shares Delta's high-voltage DC power portfolio as part of an integrated AI data center offering.
Key Benefits
300 kW per unit suits a compact cluster of GPU racks. L2L isolation protects the rack coolant loop. Portfolio fit with Delta's larger 2,000 kW CDU. Integrated with Delta power for single-vendor AI infrastructure.
Applications
AI clusters of a few high-density racks, edge and micro data centers with facility water, HPC nodes, and phased deployments that will later scale to hall-level cooling.
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