U.S. President Donald Trump on Wednesday (local time) enacted a new 25 percent tariff on certain advanced chips, including Nvidia’s H200 artificial intelligence (AI) accelerators, introducing greater uncertainties across the entire semiconductor supply chain. Semiconductor companies in Korea are scrambling to assess their exposure across global supply chains in the wake of the move. Many memory chips bound for Nvidia are first shipped to third countries for integration into finished products before being exported to the United States, limiting immediate impact on Korean firms. However, higher costs are often passed down the supply chain, and Trump has also warned of broader tariffs, forcing companies to navigate fresh uncertainties. According to Trump’s proclamation and a White House fact sheet, the president imposed a 25 percent tariff on advanced computing chips such as the Nvidia’s H200 and AMD MI325X. The fact sheet noted, “This tariff will not apply to chips that are imported to support the buildout of the U.S. technology supply chain and the strengthening of domestic manuf