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THE DESIGN CHALLENGE

Four Decisions Shape
the Hyperscale Architecture

At hyperscale, today's infrastructure needs to support tomorrow's density, power demand,
cooling requirements and expansion.

DECISION 01

DENSITY

Support higher densities as compute
requirements evolve

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DECISION 02

POWER

Move power efficiently from grid to rack

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DECISION 03

COOLING

Adapt cooling as compute density continues to rise

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DECISION 04

EXPANSION

Add capacity without redesigning the campus

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GRID TO COMPUTE

From Incoming Power to Compute,
Every Layer Legrand Connects

Every hyperscale data center depends on connected decisions across power, cooling and
expansion. Legrand brings together infrastructure across grey space and white space to
support a more connected data center environment.

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INCOMING POWER / TRANSFORMER

Establish the power
foundation

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LV POWER DISTRIBUTION

Distribute power across
the facility

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BACKUP POWER & DISTRIBUTION

Build resilience into
the power path

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WHITE SPACE INFRASTRUCTURE

Deliver power where
compute needs it

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CONNECTIVITY & PATHWAYS

Build pathways for
high-density compute

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RACK POWER, MONITORING & CONTROL

See and manage
power at the rack

ARCHITECTURE DECISIONS

The Right Architecture Depends
on What You Need to Scale

There is no single architecture for high-density compute. The right approach depends
on workload density, site conditions, growth plans and operational requirements.

ARCHITECTURE DECISION 01

POWER ARCHITECTURE

Conventional AC

Established architecture for a broad range of environments

Higher-Density AC

Designed for increasing rack power requirements

Emerging DC

An evolving option for specific high-density environments

ARCHITECTURE DECISION 02

THERMAL ARCHITECTURE

Air Cooling

For conventional-density environments

Hybrid / Rear-Door Heat Exchange

For higher density requiring additional heat rejection

Direct Liquid Cooling

For high-density compute where liquid becomes part of the thermal architecture

ARCHITECTURE DECISION 03

CONNECTIVITY ARCHITECTURE

Structured Cabling

Support high-density connectivity requirements.

Fibre Management

Organise connectivity for scalability and serviceability.

Physical Pathways

Enable current deployments and future expansion.

ARCHITECTURE DECISION 04

VISIBILITY & OPERATIONS

Intelligent PDUs

Monitor and manage rack-level power.

Infrastructure Monitoring

Bring visibility across critical infrastructure.

DCIM

Support connected infrastructure visibility and operations.

CAPACITY & EXPANSION

Available Capacity Isn't Always
Deployable Capacity

Power may be available on campus without being deployable where the next compute
needs it. When power, cooling, pathways and white space aren't planned together, capacity can
become stranded.

PHASE 01

ESTABLISH

Build the first deployment with the foundations for expansion.

PHASE 02

EXTEND

Add capacity through repeatable power, cooling, connectivity and white-space infrastructure.

PHASE 03

SCALE

Expand the campus while keeping available and deployable capacity aligned.

Why Legrand

Engineering the Connections
Between Every Layer

Complex infrastructure requires more than individual systems. It requires coordination
across the systems, people and stages that bring a data center to life.

Engineer
01

Integrated Engineering

Connect power, cooling, white space and connectivity as one infrastructure environment.

Design
02

DESIGNED FOR EXECUTION

Design for installation, commissioning, operation and future modification — not just the drawing

OPERATE
03

LIFECYCLE CONTINUITY

Keep infrastructure connected from design and deployment through operation and modernisation.

ACCOUNTABLE
04

SINGLE-POINT ACCOUNTABILITY

Coordinate multiple infrastructure layers through clearer ownership.

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Planning the Next Phase Starts With the Architecture

Whether you're defining a new campus, increasing rack density or
preparing the next capacity block, the infrastructure decisions need to
connect before deployment begins.

State *
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