Apple Tests China’s CXMT Memory Chips as AI Boom Tightens Global Supply

Apple is testing memory chips made by China’s ChangXin Memory Technologies (CXMT) across products including iPhones and MacBooks, the Wall Street Journal reported on Sunday, as the artificial intelligence boom intensifies competition for memory components and puts pressure on global supplies.

Apple has held preliminary discussions with CXMT, China’s largest memory-chip maker by market value, about potentially sourcing components for some devices sold in China, according to people familiar with the matter cited by the newspaper.

The testing represents a potentially significant development for both companies. For Apple, qualifying an additional memory supplier could help ease component shortages and reduce pressure from tight global memory markets. For CXMT, supplying components to one of the world’s largest technology companies would provide a major commercial endorsement as the Chinese chipmaker seeks to expand beyond its domestic market.

The move comes as the rapid expansion of AI infrastructure has transformed the global memory-chip market. Data centers powering generative AI systems require large quantities of high-performance memory, particularly high-bandwidth memory and advanced DRAM, drawing production capacity and investment toward AI-related applications.

That shift has intensified competition for memory components used in consumer electronics, potentially increasing costs and creating supply constraints for smartphone and PC manufacturers. Apple’s reported testing of CXMT chips could therefore give the company another source of supply at a time when memory manufacturers are allocating increasing resources to AI-related demand.

CXMT is China’s largest producer of DRAM memory and has been expanding its manufacturing capabilities as Beijing pushes for greater self-sufficiency in semiconductors. The company is also seeking to close the technological gap with established memory producers such as Samsung Electronics, SK Hynix and Micron Technology.

CXMT is considering building a second memory-chip plant in Beijing as it seeks to increase production capacity, according to a Reuters report.

The potential Apple relationship would also illustrate the increasingly complex intersection between China’s semiconductor ambitions and the global technology supply chain. U.S. restrictions have limited China’s access to advanced semiconductor manufacturing equipment, but Chinese chipmakers have continued to expand production of memory and other components that do not depend on the most advanced manufacturing technologies.

CXMT’s progress has already begun to reach international consumer electronics markets. Laptop manufacturers HP and Acer have started using CXMT memory chips in devices sold outside the United States, according to the Wall Street Journal, as manufacturers seek alternative supplies amid tight memory markets.

For Apple, the reported discussions appear focused initially on products sold in China rather than a broad shift in its global component sourcing. That distinction is important because any expansion of CXMT’s role in Apple’s international supply chain could face additional regulatory and geopolitical scrutiny.

Apple has been working to diversify its manufacturing and supply chains beyond China, particularly amid escalating U.S.-China technology tensions. At the same time, China remains an important production base and consumer market for the company, making access to competitive local component suppliers strategically valuable.

The development also highlights how the AI boom is reshaping the economics of the broader electronics industry. While much of the attention has focused on shortages of advanced AI chips, the surge in data-center construction is increasing demand across the semiconductor supply chain, including memory.

If CXMT succeeds in qualifying its products for Apple’s requirements, the development could mark a step toward greater acceptance of Chinese memory technology among major global electronics manufacturers. It could also increase competitive pressure on established memory suppliers as Chinese producers expand capacity and seek to win customers beyond China.

For now, Apple’s testing does not necessarily mean CXMT chips will enter mass production in iPhones or MacBooks. Semiconductor components must pass extensive reliability, performance and quality qualification before becoming part of large-scale commercial products.

But even the testing process matters, as it suggests that Apple is actively examining additional sources of memory supply due to the AI-driven demand surge that is increasingly reshaping the global semiconductor market, creating incentives for device makers to broaden their supplier base.