NVIDIA Blackwell GB300 Launch: AI Training Performance Quadruples, Single Card Price Exceeds $100,000

NVIDIA unveiled the next-generation Blackwell GB300 GPU at GTC 2026, boasting a 400% increase in AI training performance and a 300% boost in inference throughput compared to the H100. The world's largest AI data center orders have been secured by Microsoft, Google, and Amazon, with delivery lead times exceeding 18 months. This article analyzes the technological breakthroughs of the GB300, the current state of the supply chain, and the impact of export restrictions on Chinese AI companies, as well as the progress of domestic alternatives (Huawei Ascend 910C, Biren BR200).