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• 2026-10-12 Microsoft Boosts HBM Bandwidth by 2.5x with Maia 300 Accelerator · HPCwire
  Microsoft's own technical brief lays out Maia 300 succeeding Maia 200: a shift from a monolithic 3nm die to a chiplet design with NUMA memory access and a two-tier scale-up network that supports superpods of over 12,000 accelerators, roughly doubling Maia 200's largest cluster size. It's a second generation of in-house Azure inference silicon, relevant to how much of Microsoft's AI fleet runs on custom ASICs rather than merchant GPUs.
• 2026-09-16 Microsoft files to build data center campus in Prince William County, Virginia · Data Center Dynamics
  Microsoft filed federal and state permits for a two-building data center campus on 123 acres it bought for $465.5M in 2024, directly bordering an Amazon campus and near a Google-linked site in the same Gainesville corridor. It's another data point on how concentrated the current AI buildout is in a handful of Northern Virginia counties, with the largest hyperscalers now building adjacent to rather than in competition for the scarce sites there.
• 2026-09-11 Microsoft targets 38GW of data center capacity in 2032 - report · Data Center Dynamics
  Microsoft's reported target of roughly tripling to 38GW of capacity by 2032, from about 12GW now, is a forward plan sourced to Bloomberg's unnamed sources rather than a confirmed figure, so it belongs here as stated intent rather than anything checkable against installed hardware. The structural point for the graph is how much of that growth is meant to come from leasing neocloud capacity (CoreWeave, Nscale, Lambda, Iren, Nebius were named) rather than built and owned outright, which is exactly the operator/owner distinction entity resolution here has to keep straight rather than collapse into one Microsoft footprint.
• 2025-11-12 Microsoft links Fairwater Atlanta and Wisconsin into one "AI superfactory" · Microsoft
  The two Fairwater sites are joined over a dedicated AI WAN fiber backbone so training jobs can span both facilities as one system rather than two separate clusters, a different scaling strategy than the single site gigawatt campuses xAI and Meta are building. Each rack carries up to 72 NVIDIA Blackwell GPUs; Microsoft has not disclosed a total GPU count for either site.

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