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China builds massive underwater AI data center

China deploys underwater AI data center in Shanghai, can train GPT-3.5 in just 1 day and save 30% energy.

Báo Khoa học và Đời sốngBáo Khoa học và Đời sống13/09/2025

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China has just attracted attention when building an underwater AI data center, a revolutionary project implemented by the Hailanyun company. Not stopping at testing, they aim to commercialize this model within 3 years.
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The system utilizes seawater for cooling, instead of using thousands of cubic meters of fresh water as is traditionally done. This solution saves up to 30% of electricity and significantly reduces operating costs.
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Notably, the center is directly connected to offshore wind power, providing up to 97% of its operating energy. This is one of the rare “green” data center projects with almost zero carbon emissions.
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According to Hailanyun, the underwater server cluster is capable of training a language model as large as GPT-3.5 in just one day. If it expands as planned, Shanghai could become the new “AI capital” of the world .
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Compared to Microsoft, which is only testing Project Natick in Scotland, China has already entered the commercialization stage. This shows Beijing's strong ambition in the field of AI infrastructure.
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However, experts warn about the environmental impact, worrying about the impact on the marine ecosystem. In addition, security risks from underwater sounds or vibrations are also raised.
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China claims that the increase in heat output is less than 1°C and is insignificant to the environment. With an investment of more than 200 million USD, they are willing to accept the risk to stay ahead in the race.
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If successful, China will not only solve the energy problem for AI but also gain a strategic advantage. The technological competition with the US and the West will certainly be hotter than ever.
Dear readers, please watch more videos : From January 1, 2026, digital products created by AI must have identification marks | Nhan Dan Newspaper

Source: https://khoahocdoisong.vn/trung-quoc-xay-trung-tam-du-lieu-ai-duoi-bien-cuc-khung-post2149052535.html


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