The AI boom runs on two things: chips that can crunch huge amounts of data, and the memory that keeps those chips fed. Nvidia just made a long-term deal with SK Hynix to make sure it does not run out of the second part.
That is not just for memory chips.
SK Hynix is the leader in what is called high-bandwidth memory, or HBM. These are specialized memory chips that sit right next to Nvidia's graphics processing units (GPUs) and move data at blistering speeds. Without enough HBM, even the fastest AI chip slows to a crawl. And right now, there is a global shortage of the stuff.
"The expansion will include a co-develop opportunity for us on the next-generation SK Hynix AI memory, and this will help us secure a stable supply of HBM memory," said Raj Mirpuri, Nvidia's enterprise vice president.
SK Hynix itself just joined the Nasdaq in July 2026, giving U.S. investors a direct way to own a piece of the memory market.
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Nvidia is not the only company scrambling for AI memory and manufacturing. Samsung Electronics, another South Korean giant, signed a separate $200 billion memorandum of understanding with Broadcom. That deal covers memory chips and foundry services - meaning Samsung will make chips designed by Broadcom.
Then there is Naver, a major Korean cloud company. That project is expected to add 200 megawatts of capacity in the future.
What is happening here is bigger than one company buying memory. The AI buildout is spreading well beyond the handful of big U.S. cloud providers - the so-called hyperscalers like Amazon, Microsoft, and Google. Now you have foreign governments and large conglomerates getting involved. South Korean President Lee Jae Myung attended the AI summit where the Nvidia-SK Hynix deal was announced, signaling national-level interest.
SK Telecom, an affiliate of SK Hynix, is also in the mix. It plans to build a cloud business using Nvidia's next-generation Vera Rubin systems. That is a sign that memory makers are not just supplying parts anymore - they are building the whole stack.
The AI hardware race is entering a new phase. For the last couple of years, the big money went into the obvious names - Nvidia, the hyperscalers, a handful of chip suppliers. But now the investment is moving downstream and overseas.
Why does it matter? When a company like Nvidia commits half a trillion dollars to a single memory supplier, it is a bet that AI demand is not slowing down. That is good news for anyone holding semiconductor stocks or funds that track the chip industry. But it also means the opportunity is widening. Foreign players like SK Hynix, Samsung, and Broadcom are becoming central to the story.
For investors, the lesson is not to chase the headline. Instead, watch where the infrastructure dollars land. Memory makers, foundries, power companies, and construction firms that build data centers - all of them could benefit as this buildout stretches over the next several years.
The first of these massive data centers will not come online until 2027. That is a reminder that the AI boom is not a sprint. It is a long, expensive construction project. And the companies that supply the materials are just as important as the ones that design the chips.
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