(Pre sea inspection of the first phase test prototype of the data cabin of the seabed data center) (assembly of the data cabin of the demonstration project of the seabed data center) (inside the data cabin of the seabed data center) (hoisting the first phase test prototype of the data cabin of the seabed data center into the sea) (joint photo of the research team of the seabed data center) Shorten the distance between the data center and users, which is "hard power" at any time. The idea of placing the data center in the sea is very innovative. The construction of the undersea data center has far-reaching strategic significance for solving the contradiction between demand growth and limited expansion, especially for helping the rapidly developing coastal digital economy. From late November to December this year, the world's first commercial undersea data center data cabin and supporting equipment will be used as the "new infrastructure" innovation demonstration project for the digital construction of Hainan Free Trade Port, and the installation will be completed and "started up" at the right time. All the reasons come from Microsoft on the other side of the Pacific Ocean. In 2015, Microsoft launched the "Natick" project to build the data center on the seabed to improve its energy efficiency and reliability; In 2018, the project team deployed 12 server racks containing 864 servers in pressure vessels and sank them into the seabed near the Scottish coast; In September 2020, the project was announced to be verified successfully... This innovative business of Microsoft deeply attracted Shen Wanqiu, the founder of Hailanxin. In the past 20 years of deep-rooted marine science and technology, Hailexin is seeking a new direction of transformation and development. It is the common vision of those who pursue the dream of a maritime power to further move towards that blue sky. In 2020, Shen Wanqiu decided to immediately embark on the strategic layout and technical breakthrough of the undersea data center project (hereinafter referred to as UDC), and set up a subsidiary in Shenzhen, Hailan Cloud, to promote the industrialization of the undersea data center. Even if everything started from scratch, they still gave the UDC research team a hard task: the first test of the core data laboratory module must be launched before November 30, 2020. Get close to the ocean, explore the ocean, and develop the ocean... When the marine economy takes hand in the digital economy, along the way, good things are gradually becoming. Who is looking for "new home" data for the data center as a production factor of the digital economy must have the hardware to process the data. A data center is a global collaborative network of specific equipment used to transfer, accelerate, display, calculate, and store data information on the Internet infrastructure. In March 2020, China will take the data center as one of the six key points of "new infrastructure", and guide and encourage the construction of data centers in various regions. Li Zhen, a professor and doctoral supervisor of Tsinghua University, has been engaged in research on HVAC, refrigeration, industrial and building energy conservation, data center cooling, etc. since his doctoral graduation in 2005. In an interview with the reporter of Science and Technology Daily, he gave a set of data: from 2005 to now, the total energy consumption of the data center will double in about five years. Driven by national policies and social demands, the number of data centers in China has grown rapidly. According to the statistics of 2.5kW carrying power of each standard rack, by the end of 2021, the number of data center racks in use in China will reach 5.2 million, and the compound annual growth rate in recent five years will exceed