Cooling · Oct 18, 2026, 16:52

Cooler Master unveils 2,500 kW in-row CDU for AI data center cooling

Cooler Master has unveiled a 2,500kW in-row coolant distribution unit (CDU) for AI data centers, with mass production targeted for the fourth quarter of 2026.

Coolant distribution unit cabinet with blue pipes beside a row of liquid-cooled server racks — Illustration (AI-generated)
A coolant distribution unit at the end of a server row.

Key takeaways

Cooler Master unveiled a 2,500kW in-row CDU for AI data centers.
Up to 32 units can be managed together from one controller.
Mass production is targeted for Q4 2026.
Some published specs do not match, and no customers or prices were given.

What happened

Cooler Master, a Taiwanese cooling company, has introduced a 2,500kW coolant distribution unit. It showed the unit at the Open Compute Project Global Summit in San Jose, held 12 to 15 October. Mass production is planned for the fourth quarter of 2026.

What a CDU does

A CDU, or coolant distribution unit, pumps liquid coolant to AI servers and passes their heat to the building's water system. This one is "in-row", meaning it stands in a row of server racks.