What is the relationship between 'Equinix' and 'data center' in the context of the input sentence.
Options: platform, chief executive officer, product/material produced, business division

Equinix had announced its plans to spend approximately $20 million to open its sixth IBX data center in Dallas covering a total area of approximately 40,000 square feet, which is anticipated to accommodate about 1,100 cabinets.
product/material produced