Equinix SY5: 54MW Sydney AI-Ready Hyperscale IBX

Status: Operational / Phase 3 AI-Density Upgrade (May 2026)   |   Location: 200 Bourke Road, Alexandria, AU


Project Overview

SY5 is the flagship facility of Equinix’s Sydney campus and stands as the largest interconnected data center site in Australia, playing a central role in the country’s digital infrastructure. As of May 2026, the site has undergone a significant technical overhaul to accommodate next-generation workloads, particularly those driven by artificial intelligence. It now supports advanced cooling technologies such as Direct-to-Chip (D2C) liquid cooling and Rear Door Heat Exchanger (RDHX) systems, both essential for maintaining thermal efficiency in high-density GPU environments. These upgrades enable SY5 to host large-scale AI superclusters, making it especially valuable for Australia’s financial institutions, government agencies, and cloud providers requiring high-performance compute capabilities.
From a connectivity standpoint, SY5 functions as a major international gateway. It serves as a primary on-ramp for key subsea cable systems, including Southern Cross NEXT and Hawaiki, delivering ultra-low latency connectivity between Australia, the United States, and Asia-Pacific markets. This level of interconnection supports mission-critical applications, real-time data exchange, and global cloud integration. In parallel with its performance capabilities, SY5 is aligned with Equinix’s 2026 “Clean Energy” initiative. The facility incorporates high-efficiency UPS systems and participates in a renewable energy purchasing group (REPG), enabling it to match its substantial power consumption with carbon-free energy sources. This combination of scale, connectivity, and sustainability positions SY5 as a cornerstone of Australia’s next-generation digital economy.


Quick Facts

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Project NameEquinix SY5: 54MW Sydney AI-Ready Hyperscale IBX
Location200 Bourke Road, Alexandria, AU
StatusOperational / Phase 3 AI-Density Upgrade (May 2026)
CommissioningPhase 1: 2019; Phase 2: 2021; Phase 3 Expansion: Q1 2026
Total IT Load54.0 MW (Total Design Capacity)
Total Capacity9,200+ Cabinets at full buildout; 25,000 $sq.m$ Colocation space
Tier LevelTier III (Concurrent Maintainability)
Project TypeRetail Colocation & Hyperscale Edge Hub

City Profile

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City NameAlexandria
Population~18,000–20,000
Urban Agglomeration~5.3–5.5 million
City GDP~AUD $2–4 billion
Per Capita Income~AUD $60,000–$75,000
City TierTier 1
Key StrengthsPrime inner-city location near Sydney CBD and airport

Companies Involved

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Developer / Operator Equinix
Strategic Infrastructure Partner Hawaiki & Southern Cross (Subsea Partners); Equinix Fabric™.
Construction Contractor AW Edwards (Lead EPC for expansions).
MEP Engineering N+1 Power and Cooling Redundancy; Static UPS topology.
Network Connectivity 100+ Network providers; Access to Equinix Internet Exchange (IX).
Power Infrastructure 54.0 MW Critical Power; 33kV dedicated high-voltage utility supply.

Technical Specifications

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Power Capacity54.0 MW
UPS RedundancyN+1 (High-efficiency Static UPS with Lithium-Ion Battery backup).
Cooling System Chilled Water with Air-Side Economizers & AI High-Density Cooling.
Connectivity Native Equinix Fabric connection to SY1, SY2, SY3, and SY4.
PUE Target < 1.35
Energy Mix 100% Renewable match via Australian LGCs and Solar PPA.

Milestones

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Announcement 2018 (Initial Site Launch)
Construction Start 2019 (Phase 1)
Phase 1 Go-Live Q3 2019
Full Buildout May 2026 Completion (Final Phase cabinets live).

Investment Details

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Total InvestmentExceeding US$350 Million (Cumulative Campus Investment)
Funding Equinix Corporate Capital / EQIX Expansion Fund.

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