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Colossus

Colossus is an AI supercomputer built by xAI in Memphis, Tennessee, to train its AI models.

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Colossus is an AI supercomputer built by xAI in Memphis, Tennessee. Made up of a large cluster of NVIDIA GPUs, it is used to train Grok and other xAI models. It began operating in 2024, and a second facility, Colossus 2, is located in the same area.

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Elon Musk said xAI's Colossus 2 facility in Memphis has deployed 550,000 NVIDIA GB200 and GB300 graphics processing units, or GPUs, the specialized chips used f…

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