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What is established
Under construction. owned or developed by xAI.
What is not disclosed
Capacity, accelerator count, hardware platform, project capex, timeline, named tenant, power source, cooling technology — not disclosed by any source on this page. Recorded as unknown, never as zero.
Analyst note
Third Colossus-complex building, announced by Musk on X 2025-12-30; warehouse conversion under way through 2026. The ~2 GW figure is the stated target for the whole Memphis-area complex, not this building, so no power is recorded here.
Corroborated by more than one source, but not yet backed by physical evidence.
Power readiness
No capacity disclosed
No megawatt figure has been sourced for this project.
Derived from the evidence on this page by a published rule, not a model. How this is calculated.
34.9720, -90.0120
No companies linked to this project yet.
No metrics recorded
Add a claim from the source inbox to start the evidence trail for this project.
Tom's Hardware · Not disclosed · accessed Jul 28, 2026
expand xAI's training capacity to a monstrous 2 gigawatts
Reliability
65/100
Interesting Engineering · Jan 1, 2026 · accessed Jul 28, 2026
xAI has bought a third building called MACROHARDRR. Will take @xAI training compute to almost 2GW.
Reliability
65/100
Third Colossus-complex building, announced by Musk on X 2025-12-30; warehouse conversion under way through 2026. The ~2 GW figure is the stated target for the whole Memphis-area complex, not this building, so no power is recorded here.
No revisions recorded.
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