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Australia / Facility

S6 Sydney · S6 Artarmon · NEXTDC S6

OperationalUnder Construction

AI-focused colocation facility at 3 Broadcast Way, separate from adjacent S3. NEXTDC reports 13.5 MW target IT capacity; operational services coexist with continuing fit-out. This establishes greater-than-5-MW target capacity, not greater-than-5-MW live IT load.

Last researched 2026-10-09Last verified Not independently verifiedPublished revision 1
No approved site photo yet. Photos and their source dates are published after evidence review.

Site profile

Operator
NEXTDC
Ownership
NEXTDC
Business model / scale
Colocation / Unknown
Region / metro
New South Wales / Sydney
City / locality
Artarmon
Address
3 Broadcast Way, Artarmon, NSW 2064
Location
Operator address corroborated by government property records for Lot 3 DP 270714; no independently corroborated point coordinates established.
Precision: unknown
Parent
Not assigned

Capacity evidence

Statements retain their dates, definitions and development scope. Do not add these rows together.

Claim / measurementScope and statusAs ofEvidence and accounting
13.5 MW
IT load
S6 ultimate target IT capacity, including operational and future fit-out capacity
Planned · cumulative
2026-10-09Reported claim ↗

Excluded from capacity totals. As-of is retrieval date of undated current facility page. Target capacity exceeds 5 MW; it is not a measurement of live load or commissioned capacity.

10.8 MW
IT load
Remaining S6 IT capacity described as in progress
Under Construction · incremental
2025-12-31Reported claim ↗

Excluded from capacity totals. As-of is half-year reporting period end. This is remaining capacity within the ultimate target, not additional capacity beyond 13.5 MW.

10.8 MW
Unspecified power
S6 capacity continuing to be progressed
Under Construction · incremental
2026-06-30Reported claim ↗

Excluded from capacity totals. Reporting date explicitly stated in reproduced FY26 release. Original release not retrieved; development bullet does not independently label the power basis. Overlaps the earlier remaining-capacity claim.

Development timeline

  1. 2018-12-21 · actual approval

    Original purpose-built data-centre approval

    Council assessment reports original SNPP approval for the property; this predates NEXTDC ownership.

    Supporting source ↗
  2. 2020 · planned delivery

    Historical developer delivery forecast

    2019 agent announcement forecast delivery in 2020; actual delivery was not established from that announcement.

    Supporting source ↗
  3. 2024-03 · actual acquisition reported retrospectively

    NEXTDC acquisition and S6 rebranding

    Operator history reports acquisition of land and shell. Secondary property reporting dates acquisition April 2024; announcement versus settlement timing remains unresolved.

    Supporting source ↗
  4. 2025-11 · actual stage completion

    Phase 1 Stage 1 completed

    Multiplex reports completion of this specific fit-out stage; this does not establish completion of ultimate facility capacity.

    Supporting source ↗
  5. 2026-04-20 · announcement

    Operational facility with continuing fit-out

    Investor presentation explicitly identifies S6 as operational with ongoing fit-out works.

    Supporting source ↗

Disclosed specifications

Technical space

4,000 m²

Operator facility figure; not total land or gross building area.

Source ↗

Rack density

Up to 130 kW per rack

Disclosed capability, not average deployed density.

Source ↗

Cooling

Direct-to-chip liquid cooling and rear-door heat exchange

Operator overview also describes heat-to-water exchange and a digital twin for infrastructure refinement.

Source ↗

Target PUE

Approximately 1.32

Guide target, not measured operating PUE; publication date unknown.

Source ↗

Certification status

Uptime Institute Tier IV certification in progress

Current facility page does not establish completed certification.

Source ↗

Connectivity

Carrier-neutral colocation and direct cloud access

Operator explicitly includes S6 in its Sydney colocation offering; site-specific carrier inventory not established.

Source ↗

Historical land area

Approximately 3,840 m²

Council property description for Lot 3 DP 270714; current cadastral area not reverified.

Source ↗

Historical building proposal

13,998 m² engineered facility

2019 agent proposal figure; differs from council planning gross-floor-area definitions and is not asserted as current completed building area.

Source ↗

Historical modified planning gross floor area

5,421 m²

2020 assessment modification figure, excluding some plant under planning definitions; not directly comparable with technical space or agent building area.

Source ↗

Historical rack provision

1,802 racks

Original approved scheme described in council report; current AI fit-out rack count unknown.

Source ↗

Mission critical office space

Available

Operator facility page states availability.

Source ↗

Sources and references

Source attribution does not imply independent verification or permission to reuse images.

Sydney Data Centre Colocation Services ↗

Published Date unavailable · Retrieved 2026-10-09

Operator lists S6 at 3 Broadcast Way and S3 at 2 Broadcast Way, and identifies S6 among its carrier-neutral colocation facilities in Sydney, Australia.

Our History ↗

Published Date unavailable · Retrieved 2026-10-09

March 2024 entry records NEXTDC acquisition of Artarmon land and data-centre shell, rebranded S6 Sydney.

Sydney Facility Overview ↗

Published Date unavailable · Retrieved 2026-10-09

S6 section states operational status and existing AI/HPC deployments; describes up to 130 kW per rack, direct-to-chip cooling, rear-door heat exchange and heat-to-water exchange.

NEXTDC S6 Sydney Phase 1 Stage 1 ↗

Published Date unavailable · Retrieved 2026-10-09

Contractor marks Phase 1 Stage 1 completed November 2025; works included operational data-hall fit-out, recommissioning services, security upgrades and office refurbishment.

Council assessment report: 3 Broadcast Way Artarmon, DA-2018/273/A ↗

Published Date unavailable · Retrieved 2026-10-09

Report for meeting of 19 February 2020 identifies Lot 3 DP 270714, approximately 3,840 square metres, historical owner GH Cloud Management Pty Ltd, and original approval on 21 December 2018. Distinguishes neighboring 2 and 5 Broadcast Way.

NEXTDC partner onboarding guide ↗

Published Date unavailable · Retrieved 2026-10-09

Facility table gives S6 address in Artarmon NSW 2064, technical space 4,000 square metres, total IT capacity 13.5 MW and target PUE approximately 1.32; publication date not established.

NEXTDC 1H26 Results Presentation ↗

Published Date unavailable · Retrieved 2026-10-09

Half-year results presentation reports remaining S6 capacity of 10.8 MW in progress in line with contracted customer delivery requirements.

Last site at Gore Hill estate announced to the market ↗

Published 2019-02-13 · Retrieved 2026-10-09

Historical agent release identifies Lot 3, 3,840 square metres land, a 13,998-square-metre engineered facility proposal and Lindsay Bennelong Developments; delivery in 2020 was a forecast.

Data Centre Growth in Australia — September 2024 ↗

Published Date unavailable · Retrieved 2026-10-09

Property report describes NEXTDC acquisition of the site and core-and-shell development for A$184 million in April 2024, versus March acquisition timing in operator history.

Profile field evidence

Name: S6 Sydney: Australia's First AI Factory Data Centre; Sydney Data Centre Colocation Services

Aliases: S6 Sydney: Australia's First AI Factory Data Centre; Sydney Data Centre Colocation Services; NEXTDC S6 Sydney Phase 1 Stage 1

Kind: S6 Sydney: Australia's First AI Factory Data Centre

Country: Sydney Data Centre Colocation Services; NEXTDC S6 Sydney Phase 1 Stage 1

Region: NEXTDC partner onboarding guide

City: S6 Sydney: Australia's First AI Factory Data Centre; NEXTDC partner onboarding guide

Metro: Sydney Data Centre Colocation Services

Address: Sydney Data Centre Colocation Services; Council assessment report: 3 Broadcast Way Artarmon, DA-2018/273/A; NEXTDC partner onboarding guide

Operator: Sydney Data Centre Colocation Services

Owner: Our History; Data Centre Growth in Australia — September 2024

Business Model: Sydney Data Centre Colocation Services

Statuses: Sydney Facility Overview; Record Contracted Utilisation and A$2.2bn Capital Plan

Summary: S6 Sydney: Australia's First AI Factory Data Centre; Sydney Data Centre Colocation Services; Sydney Facility Overview; Record Contracted Utilisation and A$2.2bn Capital Plan

Location: Sydney Data Centre Colocation Services; Council assessment report: 3 Broadcast Way Artarmon, DA-2018/273/A

Stable identifier: af6948b2-7af0-4e9a-b3b1-2b9232eb0384