Nvidia’s H800 AI chip for China is blocked by new export rules

New US rules blocking the export of most artificial intelligence chips to China will build upon a sweeping set of restrictions introduced in October 2022.

Nvidia makes sought-after AI chips like the H100, and the AI boom has proven to be profitable as its valuation has expanded beyond $1 trillion. Last year’s restrictions meant the US-based company couldn’t sell the H100 to China, so it introduced a lower-specced H800 that …

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