Supermicro execs allegedly smuggled $2.5B in Nvidia AI GPUs to Alibaba through Thailand

Reviewed byNidhi Govil

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US prosecutors identified Bangkok-based OBON Corp as the intermediary in a massive smuggling operation that routed restricted Nvidia AI GPUs to China. The $2.5 billion scheme allegedly involved Supermicro executives using falsified documents and dummy servers to bypass export controls, with Alibaba reportedly among the end customers receiving the banned hardware.

Supermicro Executives Face $2.5 Billion Smuggling Charges

US prosecutors have identified Bangkok-based OBON Corp as the previously unnamed Southeast Asian intermediary allegedly used to smuggle restricted Nvidia AI GPUs worth $2.5 billion to China, according to a Bloomberg investigation published Friday

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. The March 2026 indictment charged Supermicro co-founder Yih-Shyan 'Wally' Liaw, Taiwan sales manager Ruei-Tsang 'Steven' Chang, and third-party broker Ting-Wei 'Willy' Sun with conspiring to violate US export controls between 2024 and 2025

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. Liaw faces up to 20 years on the lead count, while Chang remains at large.

Source: Benzinga

Source: Benzinga

Thailand Government Entity at Center of Diversion Network

OBON Corp, the Thailand government entity connected to the country's National AI Strategy, allegedly served as the conduit for smuggling Nvidia chips to China

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. The company positioned itself as a regional cloud and AI infrastructure provider while simultaneously functioning as what prosecutors describe as a front company in the diversion scheme

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. This revelation places the smuggling route on the same map as a national AI policy that Washington has otherwise treated as a partner program, raising questions about export control enforcement across Southeast Asia

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. Thailand applied last year for chip-import allocations under Washington's tiered framework, on the implicit basis that its compute would not be re-exported.

Source: Wccftech

Source: Wccftech

Alibaba Among Alleged Recipients of Restricted Hardware

Some of the servers sold through OBON allegedly reached Alibaba, China's technology giant whose Aliyun cloud and DAMO research arm have been the most visible state-aligned buyers of frontier AI compute

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. The servers reportedly included H200 GPUs, which fell under US export controls at the time to prevent China from obtaining top-tier AI compute hardware without government approval

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. Alibaba denied any involvement, stating it has no business relationship with Supermicro, OBON, or any third-party brokers mentioned in the indictment and has never deployed prohibited Nvidia hardware in its data centers

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. More than $500 million worth of AI equipment was allegedly moved between April and May 2025 alone

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Source: Tom's Hardware

Source: Tom's Hardware

Elaborate Deception Tactics Using Dummy Servers and Falsified Documents

Prosecutors allege the group used falsified documents, swapped serial numbers, and maintained inventories of dummy servers to conceal actual shipments of systems containing advanced Nvidia GPUs into China

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. The alleged perpetrators reportedly used hair dryers to transfer serial-number labels from legitimate servers onto empty chassis to deceive inspectors, then installed the restricted hardware afterward

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. US authorities alleged that Supermicro temporarily paused shipments to OBON after internal audits flagged unusual sales activity, and the Commerce Department's Bureau of Industry and Security later requested a hold on all shipments to the company

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Corporate Governance Crisis and Market Impact

The March indictment triggered a sharp selloff in Supermicro shares, down roughly 33% over the months following Liaw's arrest

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. Supermicro launched an internal investigation, placed Liaw on administrative leave, and CEO Charles Liang maintained that the indicted individuals were a small group acting outside the company's compliance regime

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. The audit committee's internal investigation remains open-ended, and the company has acknowledged that customer concentration in the Southeast Asia segment will be reassessed

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. Separately, Supermicro shareholders sued the company in March, accusing it of securities fraud by allegedly concealing its reliance on sales to China that violated US export controls

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US-China Chip Standoff Intensifies Enforcement Measures

The $2.5 billion Supermicro indictment represents the largest US enforcement action under the AI export control regime so far, highlighting the scale of AI chip smuggling operations

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. Chinese grey-market prices for B300 servers now reach $1 million, roughly double the US sticker price, demonstrating a market that supports massive arbitrage and funds the brokers who make such schemes work

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. The US-China chip standoff has prompted Washington to use both export controls and inbound-investment rules to slow Chinese access to advanced compute

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. Hardware-level countermeasures including chip tagging, phone-home location verification, and post-shipment audit rules have gained traction with the working group reviewing the controls

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. The U.S. Justice Department case is scheduled for a status conference in early summer, with Bloomberg's reporting suggesting the prosecution may add new defendants as the OBON link is pursued

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