Nvidia tightens supply audits

Nvidia has tightened checks on where its artificial-intelligence chips go after U.S. prosecutors accused three men, including Supermicro co-founder Wally Liaw, of trying to divert restricted servers to China. (justice.gov) (digitimes.com) The U.S. indictment, unsealed on March 19, 2026, says Liaw, Ruei-Tsang “Steven” Chang and Ting-Wei “Willy” Sun conspired to send high-performance servers with advanced U.S. artificial-intelligence technology to Chinese customers through false documents and transshipment routes. Chang remains a fugitive, while Liaw and Sun were arrested. (justice.gov) DigiTimes reported on April 23 that Nvidia has “significantly upgraded” global supply-chain monitoring in recent months, with more scrutiny of customers, tighter shipment tracing and more paperwork across logistics partners. The report attributed the change to an industry source. (digitimes.com) At the same time, Nvidia’s H200 chip still has not reached Chinese buyers. Commerce Secretary Howard Lutnick said on April 22 that Chinese companies had not bought any H200 chips yet, adding that Beijing had not approved those purchases because it wanted to support domestic industry. (reuters.com) That leaves Nvidia in a narrow channel: Washington said in January 2026 that H200 export licenses for China could be reviewed case by case, but each shipment still sits inside a live export-control regime and a fresh criminal enforcement push. (bis.gov) (justice.gov) The H200 is one of Nvidia’s most powerful data-center processors, built for training and running large artificial-intelligence models. Nvidia says it is the first of its chips with HBM3e memory, a faster memory type that lets the processor move more data for generative artificial-intelligence and scientific workloads. (nvidia.com) Those capabilities are exactly why advanced chips draw export scrutiny. The Justice Department said the alleged scheme involved “hundreds of servers” and “billions of dollars” in sales, and prosecutors described the hardware as sensitive technology covered by U.S. export-control laws. (justice.gov) Nvidia and Supermicro had already shown they were watching orders closely. PCMag reported in March that both companies noticed irregularities in the orders tied to the alleged smuggling scheme and canceled them before shipment. (pcmag.com) The next effect is likely to show up in the plumbing of the chip trade, not just in court filings: more end-user checks, more serial-number tracking and more documents for distributors, freight forwarders and server makers moving advanced electronics across borders. (digitimes.com)