US plans ban on Chinese data center parts, boosting tech stocks

The US plans to ban Chinese-made data center components, focusing on optical transceivers, to secure AI infrastructure. The move boosts US tech stocks and could reshape supply chains, impacting crypto mining operations.

The Trump administration is preparing new restrictions to ban Chinese-made data center components, especially optical transceivers, from US imports. The Federal Communications Commission is developing these rules to secure AI infrastructure by blocking future imports of high-speed network components from China. This move is motivated by concerns over security risks, including data theft, malware, and operational disruptions. The proposed ban could affect Chinese firms like Innolight, while benefiting US suppliers such as Coherent, Lumentum, Applied Optoelectronics, and Corning, whose stocks surged after the news. If implemented, the restrictions may reshape supply chains, enhance the profitability of US infrastructure firms, and cause supply shocks for industries reliant on large-scale data centers, including crypto miners. The draft rule is not yet final, and no enforcement timeline or list of affected products has been released, but it marks a significant escalation in the US-China tech rivalry.