New Delhi, Jan. 9 -- Elon Musk-founded artificial intelligence company xAI said it will locate its next major data-centre expansion in Southaven, Mississippi, where an 800,000-square-foot building will house infrastructure for its Colossus 3 supercomputer, as the company moves to sharply scale computing power needed to train advanced AI models.

Mississippi Governor Tate Reeves on Thursday said that xAI is preparing a $20 billion investment to build a data centre in Southaven, calling it the largest private investment the state has ever seen.

The newly acquired facility, referred to by Musk on social media as "MACROHARDRR," is to be converted into an additional data center beginning in 2026. Musk wrote on X that the expansion will help x...