LG CNS is joining forces with Naver Cloud to push ahead in earnest with the construction of liquid cooling infrastructure, a next-generation cooling technology.

LG CNS announced on the 26th that, in cooperation with Naver Cloud, it will apply Direct-to-Chip (DTC), one of the liquid cooling technologies, to the Samsong Data Center and establish a foundation to support high-performance AI services. Previously, LG CNS was commissioned to operate the Samsong Data Center and signed a colocation contract for the Samsong Data Center with Naver Cloud.

This collaboration aims to preemptively apply large-scale liquid cooling technology to data centers to supplement the existing air cooling method, at a time when the spread of generative AI is driving up power consumption and heat generation from high-performance GPUs.

The DTC to be applied at the Samsong Data Center is a liquid cooling method in which a cooling plate carrying coolant is attached to the GPU chip to absorb heat. By using liquid, which has higher heat transfer efficiency than air, it efficiently controls the heat generated by high-density GPU servers.

The liquid cooling infrastructure will be built so that Naver Cloud can stably operate “Vera Rubin,” NVIDIA’s next-generation ultra-high-performance GPU owned by the National IT Industry Promotion Agency under the Ministry of Science and ICT. As Vera Rubin will be fully deployed in domestic data centers based on this liquid cooling infrastructure, LG CNS expects the Samsong Data Center to become a core hub for realizing an AI factory. An AI factory refers to an integrated system that continuously produces and operates intelligence by combining an AI data center, which is the physical infrastructure for AI computation, with an AI platform operating system and AI services.

LG CNS will integrate its data center design, build, and operate (DBO) capabilities with AI infrastructure technology to implement DTC liquid cooling, GPU server operating environments, power supply systems, and AI platform operating foundations in a unified manner. Leveraging its AI platform operation capabilities and extensive GPU service experience, Naver Cloud plans to provide stable, high-performance AI services to public institutions and enterprises in Korea.

The two companies plan to complete the construction and verification of the liquid cooling infrastructure by next year. Once construction is completed, the Samsong Data Center, with a total power receiving capacity of 80MW, is expected to establish itself as one of the largest AI factories in Korea.

Cho Heon-hyeok, Managing Director in charge of the Data Center Business at LG CNS, said, “Data center cooling technology is becoming a core competitive factor for AI service quality and operational efficiency,” adding, “In cooperation with Naver Cloud, LG CNS will continue to build key infrastructure that supports the growth of Korea’s AI ecosystem, based on our strengths in data center DBO capabilities and next-generation cooling technologies.”

Meanwhile, in addition to DTC, LG CNS is conducting research on immersion cooling technology. Immersion cooling removes heat by submerging servers directly in a special coolant. LG CNS is carrying out related research projects with the Korea Institute of Energy Technology Evaluation and Planning. The company has also secured digital twin technology that implements data centers in virtual space to monitor power equipment and power flow in real time.

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