Cooling · Oct 18, 2026, 16:52

Trane LiquidStack CDU 2.X: 2.5 MW coolant distribution unit for AI

Trane's LiquidStack CDU 2.X can remove up to 2.5MW of heat from AI servers and is built for several chip platforms, including Nvidia Vera Rubin. Ships Q2 2027.

Cutaway of pumps, heat exchangers and coolant pipes feeding dense GPU server racks — Illustration (AI-generated)
Pumps and heat exchangers feeding liquid-cooled racks.

Key takeaways

Trane's new LiquidStack CDU 2.X can remove up to 2.5MW of heat from AI servers.
It is designed to work with several chip platforms, including Nvidia Vera Rubin.
Pre-orders are open; shipments start in Q2 2027.
Not disclosed: price, customers or independent test results.

What happened

Trane Technologies has released the LiquidStack CDU 2.X. It launched the product at the Yotta 2026 event. Pre-orders are open, and shipments begin in the second quarter of 2027.

What a CDU does

A CDU, or coolant distribution unit, is the pump-and-heat-exchanger box that moves liquid coolant to hot AI servers and carries their heat to the building's water system. Liquid cooling is replacing fans as AI chips run hotter.