❯ Microsoft Reportedly Set to Launch Maia 300 Chip as Early as September, Ordering Over 300,000 Units from TSMC

CHIP ACCELThe Information, citing sources, reports that Microsoft plans to publicly unveil its next-generation AI chip, the Maia 300, as early as September, and is in talks with TSMC for 2027 delivery of over 300,000 units of capacity, claiming more than 30% higher token throughput per dollar than the strongest competing chips on the market today — Microsoft, TSMC, and Anthropic have not publicly confirmed these figures.

LONG GAMEThe 300,000 units are just the opening tranche; Microsoft’s long-term goal is to secure over 1 million units of capacity. JPMorgan analysts caution, however, that such programs are highly concentrated on TSMC’s N3 process and CoWoS advanced packaging, and supply tightness will persist through 2027. Microsoft’s cloud AI inference currently still relies heavily on externally purchased GPUs — if this order materializes, a larger share of inference compute can shift to hardware under its own control.

FALLOUTFor Nvidia’s share of Azure cloud, this is the most direct threat signal — if Microsoft truly rolls out self-developed chips at the million-unit scale, the procurement structure for cloud AI inference will change markedly. And regarding TSMC’s advanced packaging capacity allocation, Microsoft, Nvidia, and AMD orders are all squeezed together; who gets the delivery window first is itself a contest.

▪ SIGNALThe 300,000 units are just a foot in the door; what truly decides this game is the queue order at TSMC’s advanced packaging.