Unverified50% confidenceFactExact time
自2022年起美国商务部通过多轮出口管制，先后将英伟达A100、H100、H800等高端训练芯片列入对华出口限制名单
1
Sources
50%
Confidence
Long-term
Relevance
7/22/2026
First Seen
Sources
Related Claims
Verified美国自2022年起对中国实施先进半导体出口管制，限制高端AI训练芯片如NVIDIA A100/H100及其后续产品的出口84% similarUnverifiedStarting in 2022, the U.S. Department of Commerce tightened export controls, adding the H100 and A100 to the restricted list, and in October 2023 upgraded restrictions to cover downgraded versions such as the H800 and A800.83% similarUnverified美国于2022年10月出台出口管制新规，禁止向中国出口英伟达A100、H100等高性能AI芯片78% similarVerifiedThe U.S. Department of Commerce's Bureau of Industry and Security (BIS) has implemented multiple rounds of controls on exports of high-performance AI chips to China since October 2022, and a new round of controls in October 2023 added the A800 and H800 to the restricted list.75% similarUnverifiedIn October 2023, U.S. chip export control rules were tightened again, bringing the A800 and H800 within the scope of controls as well.74% similar
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