Site · Shared context
Switch Austin Rock Campus
Partially operational · Round Rock, Texas, United States
Same locality: Round Rock
All records
Data center siteSite record
Sabey Austin Building B
Round Rock, Texas, United StatesUnder construction
Capacity
—
No public figure
Lead participant
—
No public role record
Last updated
Aug 26, 2026
Most recent public record update
About Sabey Austin Building B
Building B is a three-story, liquid-cooling-optimized 54 MW facility in vertical construction. Its first 18 MW is targeted for delivery in Q3 2027.
Program relationships
1 linkedRelated projects
Projects sharing a market, utility, or organization.
Site · Shared context
Sabey Austin Building A
Operating / Stabilized · Round Rock, Texas, United States
Same locality: Round Rock
Capacity
Operating capacity—An operating IT-capacity figure has not been publicly disclosed.
No additional capacity claims are published.
Development
2 phases · 2 milestonesBuilding B initial 18 MWUnder Construction
First marketed capacity; target Q3 2027.
1 building
Building B full buildUnder Construction
54 MW across six data halls.
1 building
Jul 29, 2025
Sabey announces Building B construction
CompletedMar 31, 2026
Primary concrete structure rising
CompletedInfrastructure
Electric GridUnder Construction
54 MW
Full Building B design.
Electric GridUnder Construction
18 MW
First marketed RFS phase.
Site FacilityUnder Construction
6 data halls
Each hall reported at 30,000 sq ft.
Project map
0 of 1 project point mappedInfrastructure facts
3
Mapped records
1
Capacity figures
3
No map point available
Power & interconnection: 2Site systems: 1
Facts & sources
Published claims and their source links.
Milestone Permit RegistrationBuilding B core and shell record registeredActual
Building B core and shell record registered
Milestone Construction StartSabey announces Building B constructionActual
Sabey announces Building B construction
Sabey Data CentersSDC announces launch of Austin Building B
Batch 28 — Assertions
Milestone Construction ProgressPrimary concrete structure risingActual
Primary concrete structure rising
Sabey Data CentersSDC Austin Building B progress Q1 2026
Batch 28 — Assertions
Milestone Ready For Service TargetInitial 18 MW targetActual
Initial 18 MW target
Sabey Data CentersSDC announces launch of Austin Building B
Batch 28 — Assertions