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The OCP Global Summit opened on October 12, and the day's AI supply-chain news sat almost entirely in hardware specifications. Microsoft unveiled its third in-house accelerator, Nvidia handed its VeraThe OCP Global Summit opened on October 12, and the day's AI supply-chain news sat almost entirely in hardware specifications. Microsoft unveiled its third in-house accelerator, Nvidia handed its Vera

US AI Daily on (2026.10.13): Microsoft Debuts the Maia 300 Inference Chip

The OCP Global Summit opened on October 12, and the day's AI supply-chain news sat almost entirely in hardware specifications. Microsoft unveiled its third in-house accelerator, Nvidia handed its Vera Rubin rack designs to OCP, AMD published the Helion open rack blueprint, and four firms backed new data center and grid specifications. The window runs from the full day of 2026/10/12 to 2026/10/13 02:50 UTC, and the issue carries six items with $0 of countable deal value.
 

1.The Six Layers of the AI Supply Chain

2.Today's AI Briefs

Layer 2 Chip Design | 3 items

Microsoft debuts the Maia 300 inference chip with 288GB of HBM4
Launch | Completed | Reuters and SiliconANGLE 2026/10/12
Four compute chiplets and eight HBM4 modules total 288GB on TSMC 2nm, a rack holds 96 parts at about 167kW, and Microsoft says over a million units could ship next year.
 
Broadcom and Intel chiefs on the capital constraint facing AI
Remarks | Completed | SiliconANGLE citing Reuters 2026/10/12
Hock Tan said some data center chip shortages ease by 2028 or 2029 with the supply gap lasting into 2030, while Lip-Bu Tan called capital and its cost the near-term challenge.
 
Microchip widens its data center line with a PCIe 6.0 low-lane switch
Launch | Completed | Microchip press release 2026/10/12
The Switchtec PCIe 6.0 low-lane-count switch offers up to 64 Gen 6 lanes and 32 ports, alongside NVMe controller and RAID upgrades, with no pricing disclosed.
 

Layer 5 Racks & Cooling | 2 items

Nvidia hands Vera Rubin rack designs to OCP with a 250kW rack ceiling
Launch | Completed | NVIDIA official blog 2026/10/12
MGX 1.2 adds blind-mate liquid cooling and a liquid-cooled 5,000A busbar up to 250kW per rack, and Meta is adopting Spectrum-6 102.4Tb/s switches.
 
AMD unveils the Helion open rack blueprint with up to 32,768 cores
Launch | Completed | AMD Newsroom GlobeNewswire 2026/10/12
The CPU-only rack supports up to 32,768 sixth-generation EPYC cores, the all-in-one rack adds Instinct MI350P, and availability is planned for November 2026.
 

Layer 6 Power | 1 item

Four firms back an Open Data Center Spec v0.7 and a grid resilience spec
Launch | Under study | Yahoo Finance and NVIDIA official blog 2026/10/12
Nvidia, AMD, Alphabet and Meta published v0.7 covering layout, cooling and power, while the grid resilience spec targets near-full load within two seconds of a disturbance.
 

3.Deal Value This Issue

None of the six items disclosed a funding, M&A or contract figure, so countable deal value is $0. The only amount in the window was Microsoft's expectation of more than $175B in capital expenditure for the full year, which is annual capex and excluded under our convention. Specifications firmed up while money stayed still, and that is what defines the day.
 

4.Today's Read

Maia 300 is not simply one more accelerator. It moves the cost structure of inference from bought-in silicon to in-house silicon, Microsoft says it could deploy more than one million units next year, and production deployment is set for 2027. Deal value counted this issue is $0, and the only figure disclosed was Microsoft's expectation of more than $175B in capital expenditure for the full year, which is annual capex and therefore excluded.
 
How to use this next time: do not judge a supply chain by headline counts alone. Layer 1 Models & Apps carried no items at all this issue yet holds a 12.5% linkage share, nearly triple the 4.2% of Layer 3 Fab & Packaging which also scored none, because everyone else's news passes through it. Tag the layers each item touches and add them up, and you see the transmission path before you see the heat.
 
Disclaimer: This article was compiled by the MEXC US equities spot team (MEXC RealStocks) for market information and educational reference only. It does not constitute investment advice and contains no buy or sell opinion. All stocks and companies mentioned are subjects of public market discussion and do not represent a recommendation or opinion of MEXC. Investing involves risk, so please exercise your own judgement.
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