RadiusDC Miami I
Operational11300 NW 25th Street, Sweetwater, FL 33172
RadiusDC Miami I is a data center (Uptime Tier III, constructed facility certified) in Miami, United States, operated by RadiusDC, with 12 MW of published IT capacity, currently operational.
RadiusDC's Miami I facility is a 175,000 sq ft, CAT5-rated colocation building near Miami International Airport, built and Uptime Tier III-certified by Telefonica before passing through Nabiax and NextStream to RadiusDC in August 2024.

- Operator
- RadiusDC
- City
- Miami, United States
- Power, MW
- 12 MW
- Cooling
- Air
- Uptime Tier
- III · constructed facility certified
- Floor space
- 16,260 m²
Coloprice Score
50 out of 100
Class C · #31 of 837 in United States
- Resilience24/35
- Compliance0/20
- Transparency9/20
- Scale10/15
- Maturity7/10
Awards & badges
Earned from the rankings — position in the country, city, category and worldwide lists, plus score axes at their maximum. Free to embed on the operator's site; each badge links back to the list that certifies it.
RadiusDC's Miami I building sits at 11300 NW 25th Street in Sweetwater, near Miami International Airport, in a submarket popular with carrier-neutral facilities. Telefonica Global Solutions built the 175,000 sq ft property and earned Uptime Institute Tier III Design and Constructed Facility certifications for its SR6 and SR7 suites. Ownership then moved through Asterion-backed Nabiax in 2020 and Actis-owned NextStream in 2023 before RadiusDC acquired the site in August 2024 and rebranded it Miami I. The building is rated CAT5 for storm resilience, draws utility power from Florida Power & Light with 29 MW of building capacity, and delivers up to 12 MW of N+1 critical load across as many as two data halls totaling roughly 25,000 sq ft. Floors are rated for 250 lbs per sq ft and cabinets up to 5,000 lbs. Eleven carriers serve the facility, including AT&T, Verizon and Comcast, reflecting its role as a regional interconnection point for Latin America-bound traffic. RadiusDC has not disclosed a current tenant list or renewable-energy commitments for the site.
- ▮175,000 sq ft building near Miami International Airport
- ▮12 MW of N+1 critical IT load across up to two data halls
- ▮Uptime Institute Tier III Design + Constructed Facility certifications, awarded under original Telefonica ownership
- ▮Ownership passed through Nabiax (2020) and NextStream (2023) before RadiusDC acquired it in August 2024
- ▮11 carriers on site including AT&T, Verizon and Comcast
Colocation pricing: United States & other markets — The Colocation Price Index →
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