Summary

Digital Realty Trust (NYSE: DLR) is the largest global colocation and interconnection REIT by portfolio size, operating 310+ data centers across 50+ metropolitan markets in 25+ countries on six continents. Founded in 2004 when GI Partners contributed 21 data centers acquired through post-dot-com bankruptcy auctions, the company went public in November 2004 at approximately $257M and has since grown through a combination of organic development, acquisition, and an increasingly active joint venture strategy. As of FY2025, Digital Realty generated $6.08 billion in revenue (up ~12% year-over-year) and delivered Core FFO of $7.39 per share (up ~10% over 2024). Its market capitalization of approximately $62 billion as of early April 2026 reflects the market’s pricing of its position as the infrastructure layer underneath the global AI buildout.

Digital Realty’s strategic framework, PlatformDIGITAL®, brands the company’s global platform as a “neutral meeting place” where enterprises, cloud providers, networks, and AI workloads converge. The platform combines physical colocation suites (Turn-Key Flex® and custom Power-Base Buildings), a global interconnection fabric (ServiceFabric, now enabling access to 300+ cloud on-ramps and 700+ interconnected data centers), and a rapidly expanding high-density product line. In 2023–2024, Digital Realty moved from ad hoc high-density deployments to a standardized offering: Air-Assisted Liquid Cooling (AALC) up to 70 kW/rack at launch (August 2023), followed by Direct Liquid Cooling (DLC) to 150+ kW/rack deployed at 170 data centers globally by May 2024. This progression — from legacy air-cooled enterprise colocation to AI-density-capable liquid cooling at global scale — is the central thesis for Digital Realty’s relevance in the current AI infrastructure cycle.

The company’s capital strategy has matured significantly in 2023–2026, shifting from balance-sheet-only development toward a capital-light model using joint ventures and private fund structures to fund hyperscale development while preserving REIT dividend capacity. The $7 billion Blackstone JV (December 2023), Realty Income JV (Northern Virginia, 2024), and $3.25 billion inaugural U.S. Hyperscale Data Center Fund (final close March 2026) collectively demonstrate Digital Realty’s ability to attract institutional capital into the AI infrastructure buildout at scale. In 2025, Digital Realty signed $1.2 billion in new bookings — the second consecutive year above $1 billion — and ended the year with a record backlog of nearly $1.4 billion.

Key Facts

  • Ticker: NYSE: DLR
  • Founded: 2004 (GI Partners contribution; IPO November 2004)
  • HQ: Austin, TX (moved from San Francisco 2021)
  • Type: Public REIT (Maryland incorporation)
  • Market cap: ~$62.4B (April 2, 2026)
  • FY2025 revenue: $6.08B (+11.9% YoY); Q4 2025: $1.6B (+14% YoY)
  • FY2025 Core FFO: $7.39/share (+10% YoY); Q4 2025: $1.86/share
  • 2026 Core FFO guidance: $7.90–$8.00/share
  • Portfolio (end 2025): 310 data centers (including 89 in unconsolidated entities); 50+ metros; 25+ countries; 6 continents
  • Operating sq ft: ~43.2M sq ft (excluding development)
  • Under active development: ~9.7M sq ft
  • Held for future development: ~4.7M sq ft
  • Development pipeline: 769 MW under construction; ~$10B gross pipeline; expected stabilized yield ~11.9%
  • 2025 bookings: $1.2B (70% above 5-year average pace; 2nd consecutive year >$1B)
  • Year-end 2025 backlog: ~$1.4B (annualized; $634M commencing in 2026)
  • Interconnection bookings (2025): ~$340M for 0–1 MW + interconnection (record; +35% vs. 2024)
  • Key JVs: Blackstone ($7B, December 2023); Realty Income (~$200M, 2024); inaugural U.S. Hyperscale Fund ($3.25B final close, March 2026)
  • Sustainability: 75% renewable energy (2024); 1.5 GW renewable under contract; WUE 1.58; PUE target 1.5
  • CEO: Andy Power (President & CEO; CEO appointment 2022/2023)
  • CFO: Matt Mercier

What It Is / How It Works

REIT Business Model

Digital Realty is structured as a Real Estate Investment Trust, which requires distributing at least 90% of taxable income as dividends to shareholders in exchange for favorable pass-through tax treatment. This creates a structurally different relationship between growth capex and shareholder returns compared to private operators: Digital Realty must continuously access capital markets (equity, debt, and now private fund structures) to fund development rather than reinvesting free cash flow. The REIT structure also means Core FFO — not GAAP net income — is the primary performance metric, as FFO adds back depreciation which dominates REIT income statements.

The practical consequence for AI infrastructure: Digital Realty cannot self-fund hyperscale development at the pace the market demands without diluting dividends or overleveraging. The company’s response — a capital-light joint venture model where institutional partners (Blackstone, Realty Income, sovereign wealth funds via the $3.25B fund) own 80% of specific hyperscale developments while Digital Realty retains 20% and collects management/development fees — is the financial engineering behind the growth story. Digital Realty retains operational control, earns fee income, and benefits from asset appreciation at its 20% stake without absorbing full capex on its balance sheet.

PlatformDIGITAL Framework

PlatformDIGITAL® is Digital Realty’s go-to-market framework that packages physical, digital, and financial infrastructure together:

Physical layers:

  • Turn-Key Flex® (TKF): Pre-built, move-in-ready colocation suites with standardized power/cooling infrastructure. The modular design allows customers to deploy quickly without custom buildout. Available across the global portfolio; the standardized design reduces commissioning time compared to custom-built competitor offerings.
  • Power-Base Buildings (PBB): Custom wholesale facilities built-to-suit for hyperscaler and large enterprise tenants. Typical deal size is 1 MW to 100+ MW. The Blackstone JV campuses are primarily PBB-type developments.
  • Colocation Suites: Rack- and cage-level deployments within shared facilities, targeting enterprise and network customers.

Digital layer:

  • ServiceFabric™: The interconnection layer connecting Digital Realty’s global portfolio. ServiceFabric now provides access to 300+ cloud on-ramps (AWS Direct Connect, Azure ExpressRoute, Google Cloud Interconnect, etc.) and 700+ interconnected data centers, enabling customers to deploy workloads adjacent to their network and cloud relationships within the same Digital Realty campus. Interconnection bookings grew 22% year-over-year in the second half of 2025.
  • Private AI Exchange (AIPx): A newer product introduced in 2024 providing dedicated AI data exchange fabric within Digital Realty campuses — targeting the latency-sensitive inference use case where AI models and the data they consume need to be co-located.

High-density evolution:

  • AALC (Air-Assisted Liquid Cooling): Launched August 2023. Rear-door heat exchanger (RDHx) approach supporting up to 70 kW/rack. Initially deployed in 28 markets across North America, EMEA, and Asia Pacific. This was the standardization inflection point — moving from bespoke high-density deployments to a commercial product.
  • DLC (Direct Liquid Cooling): Launched May 2024. Liquid-to-chip cooling available at 170 data centers globally; supports 30–150+ kW/rack (with RDHx and DLC in combination). The density range covers the full spectrum from AI inference (~30–50 kW) to dense GPU training clusters (100–150+ kW). Plans to expand to additional sites are ongoing.

Pervasive Datacenter Architecture (PDx)

Digital Realty markets its facility design methodology under the “PDx®” label — a framework that defines how data center infrastructure should be designed to meet modern multi-cloud, AI, and hybrid IT requirements. PDx is primarily a consulting and co-design methodology (not a proprietary construction system) that guides customers through workload placement, network design, and power/cooling choices within Digital Realty’s facilities. It serves as the sales and onboarding framework for enterprise customers navigating complex hybrid infrastructure decisions.

The practical construction relevance of PlatformDIGITAL is the standardized modular design embedded in Turn-Key Flex® — standardized power module sizes, pre-engineered cooling systems, and repeatable room layouts that compress customer deployment timelines. Unlike a custom-built colo build, a TKF suite deployment can go from signed contract to live compute in weeks rather than months. This time-to-power advantage is meaningful for enterprise AI inference deployments that need capacity faster than hyperscaler cloud regions can provision.

Notable Developments

  • 2026-03-30: Final close of inaugural U.S. Hyperscale Data Center Fund at $3.25B total equity commitments from global institutional investors (public pensions, sovereign wealth funds, endowments, insurance, family offices). Fund focused on Tier I U.S. metros: Northern Virginia, Santa Clara, Dallas, Atlanta, Charlotte, New York. Digital Realty retains 20% interest; manages the portfolio. (GlobeNewswire)
  • 2026-02-05: Q4/FY2025 results: $1.6B Q4 revenue (+14% YoY); Core FFO $7.39/share FY2025 (+10%); record year-end backlog ~$1.4B; 2026 Core FFO guidance $7.90–$8.00/share. (Digital Realty IR)
  • 2025-11-03: NVIDIA AI Factory Research Center at Digital Realty’s Manassas, Northern Virginia campus. Site supports NVIDIA Omniverse DSX blueprint for AI factory digital twins, gigascale facility design, and advanced liquid cooling implementation. (Digital Realty IR)
  • 2025-09-10: Launch of Digital Realty Innovation Lab (DRIL) — a real-world data center testing environment where partners and customers can validate AI and hybrid cloud deployments before scaling. Positioned to accelerate adoption of liquid cooling and new infrastructure architectures. (Digital Realty)
  • 2025 (full year): $1.2B total bookings — second consecutive year above $1B, 70% above the prior 5-year average pace. 0–1 MW + interconnection product: ~$340M (FY record, +35% vs. 2024). Interconnection bookings +22% YoY in H2 2025.
  • 2024 (Realty Income JV): Realty Income acquired 80% equity in two Northern Virginia data centers under construction with up to 48 MW IT load; Digital Realty retained 20%; deal value ~$200M to Realty Income. Demonstrates Digital Realty’s ability to recycle capital from development pipeline into institutional partnerships.
  • 2024-05-16: Direct Liquid Cooling (DLC) rollout announced: 170 data centers globally capable of supporting 30–150+ kW/rack via combined RDHx and liquid-to-chip solutions. (Data Center Frontier)
  • 2023-12: $7B joint venture with Blackstone (infrastructure, real estate, and tactical opportunities funds). Blackstone: 80% interest for ~$700M initial capital. Four hyperscale campuses across Frankfurt, Paris, and Northern Virginia (Manassas + Dulles). ~500 MW total IT load potential. Digital Realty: 20% interest + management/development fees. (Blackstone)
  • 2023-08: Air-Assisted Liquid Cooling (AALC) standardized product launch — up to 70 kW/rack, 28 markets across North America, EMEA, and APAC. First move from bespoke high-density to commercial product at scale.
  • 2022/2023: Andy Power promoted from President/CFO to President & CEO; Matt Mercier promoted to CFO.
  • 2021: Headquarters moved from San Francisco to Austin, TX.
  • 2004: Founded; IPO on NYSE, raising ~$257M; 23 properties at IPO.

Key People

Andy Power — President and CEO

  • Role: President since 2021; CEO since 2022/2023
  • Background: Joined Digital Realty in 2015 as CFO from Bank of America Merrill Lynch, where he was Managing Director of Real Estate, Gaming and Lodging Investment Banking covering 40+ public and private companies including Digital Realty. B.S. in Analytical Finance from Wake Forest University.
  • Notes: Power’s institutional finance background has driven the capital-light JV strategy that defines the current growth model. Under his leadership as CEO, Digital Realty has executed the Blackstone JV, the $3.25B fund close, and the pivot toward AI-density infrastructure.

Matt Mercier — Chief Financial Officer

  • Role: CFO; promoted when Power became CEO
  • Background: Joined Digital Realty in 2006; progressive roles in corporate planning, capital markets, integration, and joint ventures; most recently SVP Global Finance and Accounting before promotion to CFO. B.A. in Business Administration and MBA from UC Berkeley.
  • Notes: Long-tenured internal promotion; operational continuity for investor relationships given Power’s transition to CEO role.

Greg Wright — Chief Investment Officer

  • Role: CIO
  • Background: Leads investment, acquisition, and capital allocation activities including global M&A; also responsible for service providers and market strategy functions.
  • Notes: Oversees deal sourcing for JVs and acquisitions; key figure in the Blackstone and fund partnerships.

People — Last Reviewed: 2026-04-02

Supply Chain Position

Digital Realty sits at the facility layer of the AI infrastructure stack — it does not own the compute hardware, cloud platforms, or AI models deployed within its facilities. Its position is infrastructure landlord plus interconnection broker, differentiating from pure-play wholesale developers (Cyrus One, Compass) primarily through the ServiceFabric interconnection layer and the global footprint that allows customers to deploy in consistent, standardized facilities across markets.

Layer Digital Realty’s Role
Land & Permits Owns land/buildings in 50+ metros globally; pre-permitted development pipeline
Power procurement Does not own generation; procures utility power and PPAs; 75% renewable (2024); 1.5 GW renewable under contract; targets 100% long-term
Facility development PlatformDIGITAL standardized design; Turn-Key Flex® modular suites + Power-Base Buildings for hyperscale; time-to-power advantage for enterprise via TKF
High-density infrastructure AALC (70 kW/rack) and DLC (30–150+ kW/rack) across 170+ facilities globally; DRIL innovation lab for pre-deployment validation
Facility operation Long-term operator; PUE target 1.5 baseline; AI-assisted efficiency management
Interconnection ServiceFabric — 300+ cloud on-ramps, 700+ interconnected data centers; Private AI Exchange (AIPx); primary competitive differentiator vs. pure-play wholesale colos
Capital partners Blackstone (80% of $7B JV); Realty Income (NoVA); $3.25B institutional fund; balance sheet for the remaining ~$10B gross pipeline
Key anchor customers Hyperscalers (unnamed in public filings, but Northern Virginia Blackstone JV sites are clearly hyperscale-targeted); NVIDIA (AI Factory Research Center in Manassas)

⚑ Hyperscaler concentration risk: Digital Realty’s $1.4B backlog and 2025 leasing records are substantially driven by hyperscaler demand (particularly in Northern Virginia). If hyperscaler capex cycles compress — as occurred briefly in 2022–2023 — Digital Realty’s development pipeline economics deteriorate and JV partners reduce capital commitments. The company’s structural exposure to 2–3 dominant hyperscalers is materially higher than its diversified enterprise/colo customer count implies.

⚑ Power availability as binding constraint: Digital Realty does not control power generation or transmission; it is dependent on utility interconnection queues, which are multi-year backlogs in constrained markets (Northern Virginia, Santa Clara). The company’s 5-GW power bank strategy and pre-permitted land pipeline in key metros is the primary competitive moat against new entrants — but existing reservations can be delayed by grid constraints outside Digital Realty’s control. PJM and CAISO grid congestion remain structural risks to delivery timelines on committed leases.

⚑ High-density cooling retrofit vs. purpose-built: Digital Realty’s DLC deployment in 170 legacy data centers is a retrofit/upgrade operation on existing facilities, not a ground-up purpose-built AI factory. Retrofit liquid cooling faces structural constraints: older facility floor loading, ceiling heights, power bus capacity, and existing air-cooling infrastructure limit achievable rack densities in some buildings. New entrants (Crusoe, CoreWeave) building purpose-designed AI factories from bare land may achieve higher sustained densities (>100 kW/rack) at lower operating cost. Digital Realty’s advantage is breadth of global footprint and interconnection access; its disadvantage is legacy infrastructure heterogeneity.

⚑ JV structure and management fee dependency: The capital-light JV model requires institutional partners to remain willing to commit capital at current valuations and yield expectations. If cap rates rise (e.g., from Fed rate increases) or institutional LP allocations to infrastructure compress, Digital Realty’s ability to recycle balance sheet capital via JV formation will be impaired, forcing either balance sheet development (raising leverage) or slowed pipeline execution.

Claim Verification

Claim: 310 data centers across 50+ metros in 25+ countries

Status: Reported in public filings (Q4 2025 earnings, company website); consistent with publicly available portfolio data.

Supporting:

  • Digital Realty’s 10-K and earnings materials disclose facility counts by region; 310 is the Q4 2025 reported total, inclusive of 89 in unconsolidated joint venture entities.
  • “25+ countries” and “50+ metros” are also consistent with investor relations materials and publicly mapped portfolio.

Refuting / questioning:

  • The 310 count includes JV-held assets at 100% (not just Digital Realty’s proportional ownership). For wholly-owned capacity analysis, the ~221 facilities outside JVs represent the directly controlled base.
  • Facility count includes older, smaller, and less AI-relevant facilities (particularly in EMEA and APAC acquired through the Interxion acquisition in 2020) that are not high-density capable. Raw count overstates the AI-ready inventory.

Summary: The count is accurate as stated. The relevant sub-question is how many of the 310 are AI/HPC-density capable vs. legacy enterprise colo — this is not publicly disaggregated in detail.

Claim: Direct Liquid Cooling available at 170 data centers, supporting up to 150+ kW/rack

Status: Announced May 2024 via press release; technically credible for the described configuration; independent third-party commissioning data not publicly available.

Supporting:

  • The 170 DLC-capable data centers figure appeared in official company press releases and was covered by Data Center Frontier and Data Center Dynamics at announcement.
  • 30–150+ kW/rack range is consistent with the physical capabilities of combined RDHx + direct liquid-to-chip configurations used by other major operators.
  • The range is consistent with what Vertiv, Schneider, and other CDU/DLC suppliers publish for similar architectures.

Refuting / questioning:

  • “Available in 170 data centers” does not mean 170 data centers have active DLC deployments. It means Digital Realty has qualified these facilities as capable of supporting DLC installations upon customer request. Actual deployed density depends on customer-specific buildouts.
  • “150+ kW/rack” represents the ceiling of the architecture under ideal conditions, not a typical or guaranteed density in any given facility. Legacy facilities have floor loading and power bus constraints that may cap actual supported density below the stated maximum.
  • The “May 2024” announcement covers an offering launch; full deployment progress across 170 sites is ongoing as of early 2026 and has not been fully audited externally.

Summary: Technically credible; commercially launched and being actively deployed. The “available in 170 facilities” framing is a qualified-site count rather than an active-deployment count. For evaluating actual AI infrastructure positioning, the number of facilities with DLC actively deployed and customer-occupied is more relevant than qualified capacity.

Claim: $1.2B bookings in 2025 — “70% above average pace of prior five years”

Status: Reported in Q4 2025 earnings materials; the 70% comparison is against company-disclosed prior-period data.

Supporting:

  • Digital Realty’s Q4 2025 earnings call confirmed $1.2B in bookings for FY2025, consistent with prior quarterly disclosures across the year.
  • The “second consecutive year above $1B” framing is verifiable against 2024 reported bookings.
  • The 70% above 5-year average claim is a company-provided comparative; the prior-year booking figures in Digital Realty’s public disclosures support this directionally.

Refuting / questioning:

  • “Bookings” is annualized base rent at signing, not revenue. Booked leases may have significant ramp periods before cash commencement. The $634M commencing in 2026 (out of the $1.4B backlog) suggests approximately 45% of the backlog is commencement-delayed.
  • Booking pace acceleration may partially reflect price inflation (higher $/kW lease rates in a constrained supply environment) rather than purely volume growth.

Summary: The booking figures are accurate as reported. The acceleration is genuine but partially price-driven; analysis should distinguish between volume growth and rate growth in the leasing record.

Sources