US authorities have arrested an American man in connection with an alleged scheme to smuggle Nvidia servers worth roughly $300 million into China, the South China Morning Post reported.

The case puts a dollar figure on what US export-control agencies have described as a persistent gray market for advanced AI hardware. Washington has tightened restrictions on sales of Nvidia's highest-end data-center GPUs and the servers built around them to Chinese customers, and the arrest signals that enforcement now extends to individual intermediaries, not only distributors and resellers.

The reported $300 million value suggests the alleged operation moved server-level systems rather than loose chips. That distinction matters commercially: fully assembled servers carry far higher unit prices than bare accelerators, and smuggling them at scale implies organized logistics, front companies, or routing through third countries.

Neither the identity of the suspect nor the specific Nvidia product families involved were detailed in the report, and the allegations remain unproven until courts rule on them.

The case lands amid continued Chinese demand for restricted AI compute, which has sustained a resale premium on sanctioned hardware. If prosecutions of this scale become routine, intermediaries may reassess the risk-reward of gray-market channels, potentially narrowing the supply gap that Chinese AI developers have partly filled through such routes.