San Antonio data centers and colocation
San Antonio has 5 colocation buildings run by 5 operators and served by 1 internet exchange.
Market asking rent runs from $160 up to $185 monthly per kW, and only 1.4% of space is vacant (CBRE, first half of 2026).
Colocation data centers in San Antonio
Buildings are ranked by how many networks they hold.
| Building | Operator | Networks | Exchanges | Address |
|---|---|---|---|---|
| H5 Data Centers San AntonioH5 Data Centers | H5 Data Centers | 20 | 1 | 100 Taylor St, San Antonio |
CyrusOne San Antonio CyrusOne | CyrusOne | 4 | 0 | 9999 Westover Hills Blvd, San Antonio |
Lumen San Antonio 1 Lumen Technologies | Lumen Technologies | 2 | 0 | 5130 Service Center Drive, Suite 104, San Antonio |
Stream Data Centers - San Antonio II Stream Data Centers | Stream Data Centers | 2 | 0 | 9550 Westover Hills Blvd, San Antonio |
Foremost San Antonio Foremost Telecommunications | Foremost Telecommunications | 0 | 0 | 100 Taylor St Ste 260, San Antonio |
Each green building gets a page of its own listing all the networks inside. We refresh the building records from PeeringDB each month. The networks are carriers, clouds and ISPs listing a presence in the building.
Main operators in San Antonio
Here, H5 Data Centers operates 1 building and CyrusOne operates 1. H5 Data Centers San Antonio leads on connectivity, holding 20 networks.CyrusOne San Antonio comes next with 4. More networks under one roof means more carrier options, plus cross connects that are cheaper and shorter (a cable joining your rack with another company's).
- H5 Data Centers1 building
- CyrusOne1 building
- Lumen Technologies1 building
- Stream Data Centers1 building
- Foremost Telecommunications1 building
Internet exchanges serving San Antonio
A shared switch where networks trade traffic directly is called an internet exchange. If you're in a building on the exchange, one port connects you to its members.
- SAT-IX 5 members, 1 building here
Colocation costs in San Antonio
Add the list price of a rack to the Austin-San Antonio market rent above. One full rack using 5 to 10 kW comes to roughly $1,350 to $2,410 a month.
Answer three questions to price your own setup.
Getting quotes in San Antonio
Let us know how much space and power you need. Providers or brokers with room in San Antonio, up to three of them, will reply with their prices.