Data center provider CyrusOne is planning to build a 1.4 million square foot data center complex in Allen, Texas.

The construction will take place in three phases: the first facility will deliver 350,950 sq ft (32,600 sq m), and the following two will add another 619,100 sq ft (57,500 sq m) and 412,800 sq ft (38,300 sq m) respectively.

CyrusOne Carrollton
CyrusOne Carrollton – CyprusOne

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The campus was designed by Dallas-based architect firm Corgan, which oversaw the design of Cisco’s TXDC data centers, also in Allen. When completed, the CyrusOne campus will be the third largest in the area. 

The company runs a total of 35 data centers, 32 of which are located in the US, including two in the Dallas suburbs of Carrollton and Lewisville. Earlier this week, the company opened a 184,000 sq ft (17,094 sq m) facility in San Antonio

Allen is a popular location for data center providers; TierPoint, Compass Data Centers and AT&T also house their servers there, due to the city’s convenient location within the Dallas-Fort Worth metro.

According to a study of the metropolitan wholesale and retail colocation market in 2016, Dallas experienced the highest colo revenue growth year-on-year of all US cities and became the seventh largest colocation hub in the world.