Banned Nvidia Chips Spotted in Chinese State Telecom Network

Data center operators in the United States and beyond are facing continued scrutiny over how high-performance graphics processing units reach restricted markets. A recent discovery by the Israeli security firm Lava has confirmed that thirty-two Nvidia Blackwell Ultra B300 chips are currently active within the network of China Telecom. This state-owned telecommunications provider operates across China, where these specific processors are barred from direct sale under current U.S. export control regulations. The finding highlights the persistent challenge of tracking advanced semiconductor assets once they leave approved channels.

The B300 series was designed for large-scale artificial intelligence workloads and was explicitly targeted by export rules to limit its availability to sanctioned parties. These chips are only permitted to be sold to buyers on a whitelist who agree not to forward the hardware to restricted entities. Despite these safeguards, the presence of the B300 units in a major Chinese state-owned network suggests that diversion tactics remain effective. The identification was made possible through Nvidia’s own DCGM Exporter tool, a software utility used by data center managers to monitor server health and performance. Although intended for internal use, this tool can sometimes be accessed from outside the immediate network boundaries and does not always require password authentication, creating a window for external security firms to locate the hardware.

Nvidia has responded to the report by downplaying the scale of the issue while acknowledging the findings. A company spokesperson stated that governments, researchers, and media have identified insignificant diversion of controlled U.S. products in recent court cases. The spokesperson noted that such instances represent less than half of one percent of total volume, describing them as a drop in the bucket compared to the vast amount of domestic compute power China already possesses. With tens of millions of GPUs in service in approved countries, Nvidia maintains that smuggling remains a non-factor, aided by enforcement actions from governments on both sides of the globe.

The motivation for acquiring these specific chips is clear given their performance capabilities. Announced in March of last year, the Blackwell Ultra B300 offers significant upgrades over the previous generation B200, including fifty percent more memory and enhanced FP4 compute power. Nvidia originally positioned the chip for the age of reasoning, citing advanced large language models such as DeepSeek R1. The hardware was expected to ship by the end of 2025 and quickly became a high-demand asset. In August 2026, authorities in Taiwan indicted nine individuals for the illegal export of B300 GPUs to China. This legal action followed an internal investigation at Supermicro, which resulted in the termination of several employees. The smuggling operation reportedly utilized a Taiwanese server trading firm called Flying Tiget Tech, which held whitelisted status for GPU purchases.

The broader market context shows that the demand for Nvidia silicon remains intense, driving up prices for even older generations. A100 servers, which are five years old, have seen their prices triple and can now cost up to $82,000. As the crackdown on smuggling continues, some buyers have resorted to retooling gaming GPUs to handle AI workloads where possible. The discovery of the B300 chips in China Telecom’s infrastructure underscores the complexity of the global semiconductor supply chain. While Nvidia insists that the volume of smuggled hardware is small relative to the total market, the presence of its latest top-tier chips in a restricted network serves as a reminder that enforcement mechanisms face ongoing hurdles. The situation remains a focal point for policymakers and industry leaders as they work to balance innovation with national security concerns.