123NET DC1 (Southfield)
Operational24700 Northwestern Hwy, Southfield, MI 48075
123NET DC1 (Southfield) is a data center in Southfield, United States, operated by 123NET, with 24 MW of published IT capacity, currently operational.
123NET's flagship Southfield data center in the Detroit metro, running on a dedicated 20 MW DTE substation, expanded in 2025 with 4 MW of GPU/liquid-cooled capacity.
- Operator
- 123NET
- City
- Southfield, United States
- Power, MW
- 24 MW
- Cooling
- Liquid
- Floor space
- 7,432 m²
- AI-ready
- Yes
Coloprice Score
48 out of 100
Class D · #29 of 804 in United States
- Resilience6/35
- Compliance11/20
- Transparency9/20
- Scale15/15
- Maturity7/10
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123NET operates its flagship DC1 data center at 24700 Northwestern Highway in Southfield, part of the Detroit metro, serving as the company's primary colocation and network hub. The 80,000-square-foot facility draws power from a dedicated 20 MW DTE Energy substation, backed by five 2(N+1) redundant Caterpillar diesel generators; a September 2025 expansion added a further 4 MW of capacity dedicated to GPU and liquid-cooled deployments alongside the existing air-cooled halls. Cooling combines hot-aisle/cold-aisle containment with chilled water and Kyoto-wheel indirect evaporative cooling, with the new wing adding direct liquid cooling infrastructure for high-density AI workloads. 123NET, a Michigan-based network and colocation provider, holds SOC 2 Type II and SOC 3 audits, and states HIPAA, PCI-DSS and SSAE-18 compliance for the facility. Third-party marketing occasionally describes the building using Tier language, but 123NET's own site does not claim an Uptime Institute Tier certification and the facility does not appear on the Uptime Institute's public registry.
- ▮Dedicated 20 MW DTE substation + 4 MW GPU/liquid-cooled expansion (Sept 2025)
- ▮80,000 sq ft, five 2(N+1) Caterpillar diesel generators
- ▮Chilled water + Kyoto-wheel cooling, plus new liquid-cooled wing for AI workloads
- ▮SOC 2 Type II, SOC 3, HIPAA, PCI-DSS, SSAE-18
Colocation pricing: United States & other markets — The Colocation Price Index →
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