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China has inaugurated its first underwater data center in Shanghai's Lin-gang Special Area, developed by Shanghai Hicloud in collaboration with China Telecom and Shenergy, at a cost of approximately $226 million. Operating at a depth of 35 meters, the facility employs natural sea cooling and offshore wind energy, achieving a Power Usage Effectiveness (PUE) below 1.15, with plans to expand its capacity from 2.3 megawatts to 24 megawatts. This initiative marks a significant advancement in digital infrastructure, emphasizing efficiency and sustainability, though it may present maintenance challenges compared to traditional onshore centers.