Meta Aiken is an operational AI data center hosting an estimated 162k H100-equivalent chips — supported by 142 MW of IT power — at a capital cost of $5.4 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. Announced in August 2024 as a more than $800 million investment, Aiken will be Meta’s 22nd U.S. data center.