Elon Musk's xAI plans to spend $20 billion to build the 'MACROHARDRR' data center in Southaven, Mississippi, Gov. Tate Reeves announced on Jan. 9, 2026. xAI CFO Anthony Armstrong said the cluster will house "the world's largest supercomputer" delivering 2 gigawatts of power, while state incentives waive sales, income and franchise taxes. The project prompted environmental justice concerns from the NAACP and SELC and a local petition exceeding 900 signatures.
Key Points
- 1Announces $20 billion xAI data center 'MACROHARDRR' with 2 gigawatts supercomputer capacity.
- 2Highlights large-scale economic impact via hundreds permanent jobs, thousands subcontracting roles, and tax revenue.
- 3Raises environmental justice concerns from NAACP and SELC; local petition gathers over 900 signatures.
Scoring Rationale
Major investment and claim of world’s largest supercomputer; limited by local environmental concerns and tax-incentive opacity.
Sources
Public references used for this report.
Practice interview problems based on real data
1,625 SQL & Python problems across 15 industry datasets — the exact type of data you work with.
Try 250 free problems
