[News] Chinese Tech Giants Reportedly Stockpile Samsung’s HBM ahead of Potential U.S. Restrictions

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With the chip war between the two great powers heating up, the U.S. is reportedly mulling new measures to limit China’s access to AI memory. As the restrictions might be imposed as early as late August, rumor has it that Chinese tech giants like Huawei and Baidu, along with other startups, are stockpiling high bandwidth memory (HBM) semiconductors from Samsung Electronics, according to the latest report by Reuters.

Citing sources familiar with the matter, the report notes that these companies have increased their purchases of AI-capable semiconductors since early this year. One source states that in accordance with this trend, China contributed to around 30% of Samsung’s HBM revenue in 1H24.

Regarding the details of the potential restrictions, sources cited by Reuters said that the U.S. authority is anticipated to establish guidelines for restricting access to HBM chips. While the U.S. Department of Commerce declined to comment, it did state last week that the government is continually evaluating the evolving threat landscape and updating export controls.

The Big Three in the memory sector, Samsung, SK hynix and Micron, are all working on their 4^th generation (HBM3) and 5^th generation (HBM3e) products, while closely cooperating with AI giants such as NVIDIA and AMD in developing AI accelerators.

Reuters notes that the surging HBM demand from China recently has primarily focused on HBM2e, which is two generations behind HBM3e. However, as the capacities of other manufacturers are already fully booked by other American AI companies, China has turned to Samsung for its HBM demand.

Sources cited by Reuters also indicate that a wide range of businesses, from satellite manufacturers to tech firms like Tencent, have been purchasing these HBM chips. Meanwhile, Huawei has been using Samsung HBM2e to produce its advanced Ascend AI chip, according to one of the sources. It is also reported that Chinese memory giant ChangXin Memory Technologies (CXMT) has started mass production of HBM2.

Samsung and SK hynix declined to comment, neither did Micron, Baidu, Huawei and Tencent respond to requests for comment, Reuters notes.

Read more

• [News] US Reportedly Weighs Stricter Limits on AI Memory Access for China
• [News] U.S. Reportedly Enhancing Chip Export Restrictions to China, while NVIDIA’s H20 Might Get Banned

(Photo credit: Samsung)