By Heekyong Yang and Joyce Lee
SEOUL (Reuters) -SK Hynix, a key supplier of high-bandwidth memory processors to Nvidia, said quarterly profit more than doubled and demand for AI chips was so robust that it expects only limited impact on those products from potential U.S. tariffs.
Washington has launched an investigation into semiconductor imports, arguing that extensive reliance on foreign production is a national security threat.
There have also been concerns that increased U.S. export controls on chips to China, which have resulted in a $5.5 billion hit to Nvidia, could harm SK Hynix.
“Regarding our HBM business, what we can clearly state is that there has been no change to our sales plans for this year to key customers, which remain in line with the levels set in previously signed contracts,” Kim Ki-tae, the company’s head of HBM sales & marketing, told an earnings briefing.
While it expects some volatility in demand for smartphone and PC chips, SK Hynix’s relatively upbeat estimate of limited pain from U.S. tariffs echoes a bullish outlook from TSMC, the world’s largest contract chip maker and another big beneficiary of the AI boom.
SK Hynix logged its second-highest quarterly operating profit ever in the first quarter with a 158% jump to 7.4 trillion won ($5.2 billion), boosted by strong AI-related demand and stockpiling of smartphone and PC chips ahead of potential increases in U.S. tariffs.
That handily beat a 6.6 trillion won LSEG SmartEstimate, which is weighted toward more consistently accurate analysts.
Revenue soared 42% to 17.6 trillion won.
Some analysts have expressed worries that advance purchases and stockpiling across the industry seen in recent months could lead to weaker demand in the second half.
But SK Hynix said that scenario seemed unlikely, given the current limited visibility into how tariffs would pan out.
“It’s unlikely that pull-in demand will rise significantly enough to trigger concerns about inventory buildup,” said Kim Kyu-hyun, head of DRAM Marketing.
SK Hynix said it expects spending by big tech firms on server chips to continue as they seek to capture early opportunities in the artificial intelligence market.
In smartphones, the advancement of AI features in new models is expected to drive replacement demand, boosting sales of high-performance mobile DRAM chips, it added.
It is also not that exposed to U.S. tariffs. The company said while U.S. customers account for 60% of its total revenue, it ships most of its products to non-U.S. countries. Apple makes iPhones in China and India, while Nvidia makes AI server products in Mexico and Taiwan.
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