Meta Montgomery is an operational AI data center hosting an estimated 174k H100-equivalent chips, scaling toward a projected 407k H100-equivalent chips — supported by 153 MW of IT power, rising to 358 MW — at a capital cost of $5.8 B, rising to $13.6 B. We estimate that it uses Nvidia B300 chips. The timeline of IT power and compute capacity is based on satellite imagery, our cooling equipment power model, structural similarity to known buildings, chip availability, and chip efficiency. In September 2025, Meta announced a major expansion that will grow the campus to roughly 1.3 million square feet.