SOUTHAVEN, Miss. — Elon Musk said Tuesday that xAI has bought a third building, dubbed “Macrohardrr,” to expand its fast-growing AI computing hub near Memphis, Tenn. The move is aimed at pushing xAI’s training capacity toward nearly 2 gigawatts as it scales the Colossus supercomputer and its Grok chatbot, Dec. 30, 2025.
xAI’s “Macrohardrr” buy and the 2-gigawatt target
In a post on X, Musk wrote: “xAI has bought a third building called MACROHARDRR,” adding it “will take @xAI training compute to almost 2GW.” He did not disclose the purchase price or offer a buildout timeline.
WMC Action News 5 reported the facility is planned on Stateline Road in Southaven, across the Mississippi line from Memphis, and said xAI’s other local sites are known as Colossus One and Colossus Two. Separately, a Reuters report on the acquisition said the “Macrohardrr” name appears to be a play on Microsoft and framed the expansion as part of xAI’s push to better compete with OpenAI’s ChatGPT and Anthropic’s Claude.
More details about the project remain limited, but the purchase fits xAI’s broader strategy of converting large industrial buildings into data-center space for AI training. The Information reported that xAI plans to begin turning the warehouse into a data center in 2026 and that the new site and Colossus Two are close to a natural-gas power plant xAI is building in the area.
Power and scrutiny shadow xAI’s Memphis-area build
The “Macrohardrr” buy extends a buildout that has been accelerating for more than a year. In December 2024, Reuters reported that xAI planned to expand Colossus to house at least 1 million GPUs, citing a Greater Memphis Chamber statement that also said Nvidia, Dell and Super Micro would establish operations in Memphis to support the project.
As xAI’s footprint has grown, so has scrutiny of how the site is powered. In April, community groups urged regulators to intervene after alleging xAI increased the number of gas turbines at its Tennessee data center without permits, according to a Reuters sustainability report.
In June, the NAACP sent a notice of intent to sue, alleging xAI violated federal law by using methane gas turbines without proper permits or controls, Reuters reported. xAI told Reuters at the time: “We take our commitment to the community and environment seriously. The temporary power generation units are operating in compliance with all applicable laws.”
The debate intensified in July when the Shelby County Health Department granted a permit for methane gas generators at the Memphis data center, a move that drew pushback from residents and environmental advocates, as reported by The Guardian.
What to watch next for xAI in 2026
xAI has not publicly detailed how quickly “Macrohardrr” will be outfitted, how it will be powered, or how much new capacity it will add beyond Musk’s 2-gigawatt goal. Still, the Southaven purchase signals xAI intends to keep building around Memphis — and that the next phase of the U.S. AI infrastructure boom will be shaped as much by power supply and permitting as by chips.
