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Why is Microsoft locating its data center underwater? How much does it cost to cool a data center?

From the data analysis data center is undoubtedly a "big energy consumer". A mega data center consumes nearly 100 million kWh of electricity per year.In 2018, the total electricity consumed by data centers nationwide was 160.889 billion kWh, which is more than Shanghai's electricity consumption in 2018 (156.7 billion kWh), and is equivalent to the power generation of the Three Gorges Dam for the whole year.

Today, data centers consume about 2 percent of the world's electricity, and Anders Andere, who is responsible for research on sustainable information and communications technology at Huawei, said that data centers will consume 8 percent of the world's electricity by 2030. When you pick up your phone and look for an answer through a search engine, it may never occur to you that this one search consumes an hour's worth of power from an 8-watt light bulb.

So low-energy data centers are in demand, which is not only related to the sustainable development of the environment, but also determines the cost of arithmetic and the competitiveness of the service. facebook built the data center to the North Pole, Microsoft chose the "seabed fishing", Alibaba will be the data center built on the dam of the Qiandao Lake, and the first national big data comprehensive pilot zone will be the data center, the data center will be the data center. National Big Data Comprehensive Pilot Zone will be the data center built in a cave.

All of this is to reduce energy consumption, reduce costs according to IDC statistics a traditional data center average life of 9 years, more than 7 years of facilities tend to be obsolete. Assuming a 10-year lifespan, power energy consumption accounts for 20% of all costs, 15% of site costs, 6% of cooling equipment costs, and more than 40% of these three items combined.

Only 47 percent of the energy goes to the servers, while 41 percent is turned into heat that is consumed. Rack fans, air conditioners, pumps and cooling towers consume a large portion of the energy used in data centers.

Microsoft's sinking its data centers to the bottom of the ocean has several benefits: a large amount of coastal seabed can be used for free without having to pay originating royalties and without having to build a huge infrastructure. Cheap electricity generated by the ocean's tidal movement, and surface winds can be used to power the data center. Data centers can use seawater under the sea for server cooling and are sheltered from the vast majority of natural disasters. Fifty percent of the world's population lives near coastlines, and the backbone of the global Internet's fiber optic cables are located under the sea. Undersea data centers can reduce packet latency.

In July, Microsoft's 35.66-meter-deep data center (placed in 2018) near the Orkney Islands in Scotland, U.K., was salvaged, and only eight of its 864 servers failed. The data center is naturally cooled by seawater flowing under the sea, and is eight times more reliable than others of its kind.

So in this way, the savings on site fees, electricity, cooling equipment, a certain amount of maintenance costs, the savings turn into a huge gain, and doesn't it taste good to buy meat and eat it? Why waste it for nothing. Building a green and efficient data center has become an urgent need in this era. Data centers have been prioritized to consider areas with long periods of low temperatures throughout the year, areas with abundant water resources such as riversides or seashores, and to make full use of the natural cooling sources to reduce the energy consumption of the cooling system.

Microsoft, Google, Alibaba, Tencent and other Internet giants to build green and efficient data centers, as a green energy-saving technology industry promoters and practitioners, has been not only based on the needs of their own operations, but also enterprises and even the industry as a whole need to shoulder a major social responsibility. The above personal opinion, welcome to criticize and correct. Agree with my views, please click a like and then go, thank you! Like me, please pay attention to me, thanks again!