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Samsung and SK Hynix to Supply Chips for OpenAI’s $500 Billion Stargate Project

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Samsung Electronics and SK Hynix, South Korea’s top semiconductor manufacturers, have signed letters of intent to supply memory chips for OpenAI’s massive Stargate project, marking a major step in Seoul’s growing role in global artificial intelligence infrastructure.

As part of the deal, OpenAI will collaborate with both companies to build two new AI data centers in South Korea, branded as “Korean-style Stargate,” aligning with President Lee Jae Myung’s goal of turning the country into an AI innovation hub in Asia. The decision leverages South Korea’s strong industrial base and its status as the world’s second-largest ChatGPT subscription market after the United States.

The agreements were announced on Wednesday following a high-profile meeting in Seoul between OpenAI CEO Sam Altman, President Lee Jae Myung, and the chairmen of Samsung Electronics and SK Hynix.

The Stargate project, unveiled by U.S. President Donald Trump in January, aims to invest $500 billion into developing next-generation AI infrastructure with global partners such as SoftBank, Oracle, and now the South Korean chip giants. The initiative seeks to secure the computing capacity needed to sustain AI’s rapid growth and maintain U.S. leadership in the field.

South Korea’s presidential adviser Kim Yong-beom revealed that OpenAI plans to order 900,000 semiconductor wafers by 2029 and establish joint ventures with Samsung and SK Hynix to operate two 20-megawatt-capacity data centers domestically.

“The significant part of the Stargate project would be impossible without memory chips from the two companies,” said Kim.

He added that South Korea may also participate in financing the project.

Altman, in his remarks, emphasized the strategic importance of Korea:

“Korea has an industrial base like nowhere else in the world that is critical for the development of AI. We’re very excited to build Stargate Korea with Samsung and Hynix to support the sovereign AI needs of the country.”

Together, Samsung and SK Hynix control about 70% of the global DRAM market and nearly 80% of the HBM (High Bandwidth Memory) market. HBM technology, introduced in 2013, stacks chips vertically to save space, boost performance, and reduce power consumption, making it vital for AI data processing.

Analysts estimate that 900,000 wafers of advanced DRAM could be worth more than 100 trillion won ($70 billion), though prices may fluctuate depending on market conditions.

In addition to the memory supply deals:

  • Samsung SDS, an IT services affiliate, signed a partnership with OpenAI to develop and operate AI data centers under the Stargate framework.

  • Samsung Heavy Industries and Samsung C&T will collaborate on floating offshore data centers, designed to reduce cooling costs and carbon emissions.

Meanwhile, Google has also been in talks with several South Korean companies to explore potential AI collaborations. In June, SK Group announced a 7 trillion won investment, including $4 billion from Amazon Web Services, to build another major data center in the country.

Despite optimism about AI’s transformative potential, some investors remain cautious, citing the risk of a tech infrastructure bubble as companies rush to build large-scale data facilities.

The Stargate project, delayed earlier by prolonged negotiations and site selection, is now poised to gain new momentum through this South Korea partnership, reinforcing the nation’s position at the heart of the global AI supply chain.

Microsoft expands Wisconsin AI data center investment to $7 billion

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Microsoft announced plans to build a second major artificial intelligence data center in Wisconsin, raising its total investment in the state to more than $7 billion. The new $4 billion facility will join a $3.3 billion data center already under construction in Mount Pleasant, Racine County, first unveiled last year.

The initial data center is expected to open in 2026 and employ about 500 people, while the addition of the second will expand staffing to around 800. Microsoft says the combined site will eventually host the world’s most powerful AI supercomputer, linking together hundreds of thousands of Nvidia chips.

The development comes on land once earmarked for Foxconn’s highly publicized $10 billion factory, a project dramatically scaled back after initial political fanfare during Donald Trump’s presidency. When President Joe Biden attended Microsoft’s first announcement last year, he highlighted Foxconn’s retreat as a cautionary tale while framing Microsoft’s plan as a sign of renewed investment.

Microsoft said it will pre-pay for electrical infrastructure to avoid burdening local customers with higher power bills and will use Wisconsin’s cold climate for energy-efficient cooling. Annual water consumption will be capped at roughly the level of an average restaurant. To offset its energy use, the company will also build solar power elsewhere in Wisconsin, though Microsoft President Brad Smith noted new fossil fuel generation—specifically liquefied natural gas—will still be part of the mix.

While the 800 permanent jobs fall short of the thousands promised by Foxconn, Smith emphasized the importance of ongoing skilled labor positions, including pipefitters and electricians, needed for both construction and long-term maintenance.

Nvidia’s Planned Major Expansion in Israel Sparks Wide Interest from Potential Sites

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Nvidia, the world’s leading AI chipmaker and the first company to reach a $4 trillion valuation, is seeking to dramatically expand its operations in Israel to meet surging demand for AI data centers. The Santa Clara-based firm issued a request for information (RFI) this week to acquire land for a new campus near its existing facility in northern Israel, with the project expected to cost billions and generate thousands of jobs, according to multiple sources.

Nvidia entered the Israeli market in 2020 by acquiring Mellanox Technologies for nearly $7 billion. Its existing site is located in Yokne’am, a technology hub near Haifa. Nvidia declined to comment beyond confirming the RFI request.

One source, speaking anonymously, revealed that the company has received “dozens and dozens and dozens” of site offers from municipalities and other entities, many not near Haifa, reflecting broad local enthusiasm to host the expansion. The deadline for offers is July 23, with Nvidia planning a campus covering up to 180,000 square meters.

The Haifa municipality stated it is preparing a competitive offer, asserting it has the “best potential” for Nvidia’s new campus.

The planned expansion reflects a broader race among tech giants such as Microsoft, Amazon, Meta, Alphabet, and Tesla to build AI data centers and capture leadership in emerging AI technology. This surge is driving increased demand for Nvidia’s advanced processors.

Industry insiders emphasize Israel’s critical role in the AI era, making rapid expansion necessary for Nvidia. Since acquiring Mellanox, Nvidia’s Israeli operations have nearly tripled in size and reportedly contributed $13 billion in revenue last year, though the company has not publicly confirmed this figure.

In addition to acquisitions, Nvidia has built Israel’s most powerful AI supercomputer, which served as a blueprint for Elon Musk’s Colossus supercomputer. The company employs approximately 5,000 people in Israel.

Dror Bin, CEO of the Israel Innovation Authority, described the planned campus as “massive,” potentially housing thousands of employees. He said Nvidia’s expansion signals a long-term commitment and strong confidence in Israel.

Nvidia’s expansion plans contrast with rival Intel, which has been present in Israel since 1974 and employs 9,350 workers but is currently implementing global workforce reductions. Reports suggest a few hundred Intel workers in Israel may be affected, though Intel declined to provide specific numbers.