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What is a data center REIT?

AlphaOS investment intelligence · Research and education only — not investment advice · Updated Sep 27, 2026

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A data center REIT (Real Estate Investment Trust) is a publicly traded company that owns, operates, and leases physical data center facilities — the buildings, power infrastructure, and cooling systems that house servers and networking equipment for enterprises, cloud providers, and governments. These REITs generate revenue through long-term colocation and leasing contracts, and are legally required to distribute at least 90% of taxable income to shareholders as dividends. Major players include Equinix (EQIX), Digital Realty (DLR), and Iron Mountain (IRM). The sector has become a critical infrastructure play, driven by surging demand from hyperscalers like AWS, Microsoft Azure, and Google Cloud, as well as the explosive growth of AI workloads requiring dense, power-intensive compute environments.

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Key Takeaways

  • Data center REITs own and lease physical facilities rather than the computing equipment inside them — revenue comes from 'rent' paid per cabinet, cage, or megawatt of power capacity
  • Equinix (EQIX) is the largest global data center REIT with over 260 data centers across 70+ metros worldwide and annual revenues exceeding $8 billion
  • Digital Realty (DLR) is the second-largest player, focused on wholesale/hyperscale leasing, with a global portfolio of over 300 facilities and ~50 metros
  • The sector is legally structured as REITs, meaning 90%+ of taxable income must be distributed as dividends, making them attractive income vehicles alongside growth
  • AI infrastructure buildout has dramatically increased demand — hyperscalers (AWS, Microsoft, Google, Meta) are primary tenants signing multi-year, gigawatt-scale leases
  • Power availability and grid access have become the primary constraints on new data center supply, with many markets facing 2-5 year power interconnection queues
  • Data center REITs are valued on metrics like AFFO (Adjusted Funds From Operations), price per kilowatt of critical IT load, and occupancy rates rather than traditional P/E ratios
  • The global data center market is projected to exceed $500 billion in value by 2030, with REITs capturing a significant share of the physical infrastructure layer

Evidence & Analysis

  • Equinix has delivered positive revenue growth for over 80 consecutive quarters as of 2024, demonstrating the sector's defensive demand characteristics
  • Digital Realty reported a record $5B+ in new leasing signings in 2023, driven almost entirely by AI and hyperscale demand
  • Data center REITs trade at significant AFFO premium multiples (25-35x) versus traditional REITs (15-20x), reflecting perceived growth trajectory
  • Northern Virginia (Ashburn, VA) is the world's largest data center market with over 3,000 MW of commissioned capacity, dominated by Digital Realty and Equinix
  • Power constraints are acute: in key markets like Northern Virginia, Dublin, and Singapore, new capacity additions have been restricted or moratoria imposed by utilities and governments
  • Blackstone's $10B acquisition of QTS in 2021 and KKR's acquisition of CyrusOne set private market comparables that validated premium public market valuations

Key Companies

EQIX

Equinix, Inc.

Largest global data center REIT — 260+ facilities, retail colocation focus, $8B+ annual revenue

DLR

Digital Realty Trust

Second-largest data center REIT — wholesale and hyperscale leasing model, 300+ facilities globally

IRM

Iron Mountain Inc.

Hybrid REIT expanding aggressively into data centers from records management roots

CONE

CyrusOne

Formerly public data center REIT, taken private by KKR and Global Infrastructure Partners in 2022 — benchmark for private market valuations

VNO

QTS Realty Trust

Taken private by Blackstone in 2021 at ~$10B — illustrates institutional appetite for data center real estate assets

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