Hainan’s underwater computing cluster matches the power of 30,000 gaming PCs operating simultaneously Seawater-cooled AI centers reduce energy costs and enhance security Microsoft abandoned underwater data centers after early trials China has deployed 400 high-performance servers beneath the sea as part of an expanding underwater data center in Lingshui, Hainan. China Media Group says this infrastructure will complete a year’s worth of computations for an average PC in just one second and can enable DeepSeek’s AI assistant to handle 7,000 conversations per second. The newly-installed module, measuring 18 meters long and 3.6 meters in diameter, is linked to an existing…