Delta Electronics' Liquid-to-Air Cooling Solution Adopted by Mirait One for Innovative Data Center

Introduction

Delta Electronics, a pioneer in power management solutions, recently announced that its innovative Liquid-to-Air Cooling Distribution Unit (LTA CDU) has been adopted by Mirait One, marking a significant milestone in high-performance cooling systems for data centers in Japan. This collaboration showcases modern solutions designed to meet the cooling requirements emerging from the rapid rise of artificial intelligence (AI) applications.

The Challenge of Rising Heat Generation

As AI technologies continue to advance, the demand for high-performance GPU servers has surged globally. However, this increased performance comes with the challenge of heightened heat generation, which traditional air cooling systems struggle to manage effectively. The industry is facing a pressing need to transition towards liquid cooling technologies to ensure adequate cooling performance and energy efficiency in data centers.

Delta's LTA CDU Solution

The Liquid-to-Air Cooling Distribution Unit (LTA CDU) presented by Delta Electronics offers a groundbreaking solution that allows for direct liquid cooling of high-heat devices like GPUs. By leveraging built-in heat exchangers, this solution efficiently collaborates with existing air conditioning systems, making it possible to create a liquid cooling environment without the need for extensive new infrastructure. This innovation greatly enhances the capabilities of existing data centers, facilitating their adaptation to AI demands and supporting container-based data center solutions.

Innovative Container Data Center

The containerized data center installed by Mirait One at the Shin-Kiba Building is set to operate as a verification facility for next-generation AI infrastructure utilizing high-performance GPU servers and IOWN technology starting in September 2026. This modern facility demonstrates a forward-thinking approach, aligning with the increasing requirements for flexible and efficient cooling systems in the data center sector.

Commitment to Advanced Cooling Technologies

Through this collaboration, Delta Electronics is dedicated to promoting the proliferation of liquid-cooled data centers in the Japanese market and enhancing AI infrastructure by providing advanced cooling technology. The company's integration of power supply, heat management, and energy management expertise enables the development of AI data center solutions globally. Delta's commitment to high-efficiency liquid cooling technology aims to support the creation of effective and sustainable data centers essential for the AI era.

Executive Insights

Delta Electronics President, Han Jianhao, expressed his enthusiasm about the adoption of the LTA CDU as Japan's first liquid cooling solution for data centers: "As generative AI continues to evolve, data centers require superior cooling performance and energy efficiency. We take great pride in being chosen for this innovative project and aim to accelerate the adoption of liquid cooling in Japan, contributing to our customers' AI infrastructure development and a carbon-neutral society."

At the same time, Mirait One’s Executive Officer, Tatsuya Miyazaki, acknowledged the essential role of cooling performance and flexible installations in modern data centers. He stated, “The LTA CDU was selected due to its capability to adapt to high-performance GPUs while utilizing existing facilities for liquid cooling installations, which we highly value.”

Key Features of Delta's LTA CDU

Delta’s LTA CDU boasts several significant advantages, including:

- Direct liquid cooling for high-heat devices such as GPUs.
- Simplified installation processes due to the utilization of existing air conditioning units through built-in heat exchangers.
- Elimination of the need for extensive new cooling water systems and piping.
- Compact design ideal for containerized and pre-existing data centers.
- Compatibility with high-density racks intended for AI and HPC applications.
- Contribution to enhanced energy efficiency and reduction of CO₂ emissions.

Future Prospects

Moving forward, Delta Electronics and Mirait One intend to leverage insights gained from this project to offer high-efficiency data center solutions that meet the demands of the generative AI era. The two companies are dedicated to utilizing advanced technologies, including liquid cooling, to enhance AI infrastructure in Japan and contribute to a sustainable digital society.

Note: This is the first implementation of Delta Electronics’ LTA CDU in Japan as of July 2026.

Company Overview

Delta Electronics Co., Ltd.

Delta Electronics is a world-renowned manufacturer of switching power supplies and a leader in power management and energy-saving solutions. Established in 1971 in Taiwan, the company extends its operations in Japan across various sectors, including EV chargers, renewable energy solutions, and industrial automation.

For more information, visit Delta Japan.

For inquiries regarding this release, please contact:
Delta Electronics Marketing Department
Email: [email protected]