Microsoft SAT40 (San Antonio)
AI data center in San Antonio, Texas, operated by Microsoft.
Microsoft's SAT40 AI buildings on San Antonio's west side, running H100 and B300. Epoch AI estimates about 75 MW of IT power, fully built.
Power: what each source says
Epoch AI estimates 75 MW IT / 106 MW facility as of 2026-02-04.
Figures labelled Epoch AI are estimates from satellite imagery, permits and filings. Company figures come from the operator, owner or its filings. IT power is what the servers draw; in Epoch AI’s figures for these campuses it runs about 15–35% below total facility power.
Tenants
Microsoft
Campus facts
- Operator
- Microsoft 1
- Owner / developer
- Microsoft 1
- City
- San Antonio 1
- State / region
- Texas 1
- Country
- United States 1
- First power
- 2024 1
- Chips
- NVIDIA H100, NVIDIA B300 (Epoch AI) 1
- GPUs / accelerators
- Not published
- Cooling
- Not published
- Power source
- Not published
- Coordinates
- 29.42° N, 98.49° W (town level)
- Verified
Sources
- Epoch AI data center profile: Microsoft SAT40 (CC-BY 4.0) (licence: CC BY 4.0) accessed 2026-11-09
- Epoch AI, AI data centers dataset (CC-BY 4.0, updated 2026-11-06) (licence: CC BY 4.0) accessed 2026-11-09