A Modular/Containerized Data Center is a cost-effective and location-free data center in the new generation. Pre-designed and pre-assembled in designated factories to reduce time and cost. It is an all-in-one package because it includes critical components necessary for data centers such as racks, cooling systems, UPS, PDU, and fire detectors. It meets the requirements of unpredictable services, IT growth, and reduction of CO2 emissions for sustainable development.