Data centers are perceived as a core infrastructure during the Age of Fourth Industrial Revolution, and its importance is growing in the financial w KB Kookmin Bank constructed a new data center as a part of the IT infrastructure development project. KB Kookmin Bank’s Integrated IT Center applied optimized systems such as the module grid, basic vibration isolation structure, Multi-Tier-III, and water-cooled indirect outdoor air-cooling system to develop the highest-level IT infrastructure that satisfy availability, stability, scalability, efficiency, and security. As for the façade of the data center, the three-dimensional aluminum anodizing patterns expresses the ‘cloud’ concept.