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South Korea Data Center Networking Market Size and Share - Growth Analysis Report and Forecast Trends (2026-2035)

Published Apr 11, 2026
SKU # EMAR21085056

Description

South Korea Data Center Networking Market Report and Forecast 2025-2033

Market Overview

The South Korea Data Center Networking Market is projected to expand at a strong CAGR through 2033, driven by the South Korean government's transformative 1 GW data center campus initiative in Haenam, Jeollanam-do featuring up to 25 facilities of 40 MW each; hyperscale cloud provider capacity expansion from AWS, Microsoft Azure, and Google Cloud in South Korea; IT and telecom workloads holding approximately 49.1% of South Korean data center market share requiring high-throughput switching infrastructure; the AI infrastructure wave demanding 400G and 800G Ethernet switching for GPU cluster interconnect; and Cisco, Arista Networks, and Dell Technologies expanding their South Korean data center networking portfolio for the country's rapidly digitising financial services, e-commerce, and AI cloud sectors.

Key Market Trends and Insights

South Korea's data center market is growing at 13.5-20.4% CAGR - among the fastest in Asia-Pacific - driven by AI workload demand from Samsung, SK Hynix, LG, and Korean financial services, the government's 1 GW Haenam campus development, and hyperscale cloud provider South Korean capacity commitments. This growth creates commensurate networking infrastructure demand at every tier.

By Product Type, 400G Ethernet Switches are the fastest-growing networking product category, driven by AI GPU cluster deployments requiring ultra-high-bandwidth spine-leaf switch fabrics that support the RDMA over Converged Ethernet (RoCE) or InfiniBand protocols used by NVIDIA H100 and H200 GPU clusters for distributed AI training workloads.

Cisco Systems maintains South Korean data center networking market leadership through its Nexus switching platform, ACI (Application Centric Infrastructure) software-defined networking controller, and long-standing Korean enterprise and cloud provider relationships, while Arista Networks is gaining share in hyperscale and AI-ready data center deployments where its 7800R platform provides superior AI cluster networking performance.

Market Size & Forecast

Market CAGR 2025-2033: ~15-20%

IT/Telecom Workload Share: ~49.1%

Fastest-Growing Product: 400G/800G Ethernet Switches

Government Campus: 1 GW Haenam, Jeollanam-do

South Korea's data center networking market encompasses the Ethernet switches (top-of-rack, leaf, spine, and super-spine tiers), routers, storage area network (SAN) directors, application delivery controllers (ADC), network security appliances, and out-of-band management infrastructure deployed within South Korean data centers. The market growth is directly correlated with South Korean data center capacity expansion: the country's data center market is projected to grow from USD 1.65 billion (Mordor Intelligence, 2025) to USD 5.02 billion by 2031 at 20.38% CAGR, driven by the government's 1 GW Haenam campus, Samsung C&T and LG CNS's data center investments, and AWS, Microsoft, and Google's South Korean cloud capacity expansions.

South Korea's data center networking market has unique characteristics that differentiate it from other Asian markets: the country's semiconductor leadership - Samsung Electronics and SK Hynix produce approximately 70% of global DRAM and a significant share of NAND flash - creates domestic AI infrastructure demand from companies developing memory-optimised AI chips (Samsung's HBM for NVIDIA) and AI training clusters. Samsung SDS, LG CNS, KT Cloud, and Naver Cloud are building substantial domestic data center and AI infrastructure, creating domestic networking demand beyond the hyperscale cloud provider investment channel that dominates other APAC markets.

Key Takeaways

South Korea's government-backed 1 GW Haenam data center campus - a transformative single-site development representing the largest government-led data center initiative in Asia outside China - will require substantial networking infrastructure investment across its planned 25 facilities of 40 MW each, potentially generating hundreds of millions in networking equipment procurement.

AI GPU cluster networking requirements - where NVIDIA H100/H200 GPU pods require 400G or 800G low-latency, high-radix switch fabrics for collective communication operations in distributed training - are creating a premium networking equipment demand segment that Arista Networks, Cisco Nexus, Juniper, and InfiniBand provider Mellanox (NVIDIA) compete for aggressively.

Busan is emerging as the fastest-growing data center hotspot in South Korea (projected 27.55% CAGR through 2031 per Mordor Intelligence), with OneAsia Network's Busan Data Center Campus featuring immersion cooling and multiple other developments planned, creating concentrated networking equipment demand outside Seoul's metropolitan concentration.

South Korea Data Center Networking Market Report Summary

Key Trends and Recent Developments

1. South Korean Government 1 GW Haenam Data Center Campus - 2024-2025

The South Korean government's initiative to develop a 1 GW data center campus in Haenam, Jeollanam-do - featuring up to 25 facilities of 40 MW each - is the most significant single data center development project in Asia outside China, with major investment partners including Samsung C&T, LG CNS, and NH Investment & Securities. Haenam's location in a region with abundant renewable energy resources (Jeolla Province has South Korea's largest solar and wind capacity) addresses data center operators' growing renewable energy requirements and PPA (Power Purchase Agreement) commitments. The campus will require Tier III and Tier IV networking infrastructure across all facilities, creating structured demand for switching, routing, and SAN equipment at a scale comparable to a major cloud provider campus development.

2. AI GPU Cluster Networking Driving 400G/800G Adoption - 2024

South Korea's growing AI infrastructure investment - from Samsung SDS, KT Cloud, SK Telecom's AI cloud service, and international cloud providers - is creating premium demand for high-bandwidth, low-latency data center switching capable of supporting distributed AI training workloads. NVIDIA's H100 and H200 GPU clusters require 400G or 800G spine-leaf switch fabrics with RoCE support for collective communication operations during large language model training. Arista Networks' 7800R3 platform and Cisco's Nexus 9000 series with 400G/800G QSFP support are the primary competitive products serving Korean AI infrastructure deployments.

3. Samsung SDS and LG CNS Building Domestic AI-Ready Data Center Infrastructure - 2024

Samsung SDS - Samsung Group's IT service subsidiary and South Korea's largest data center operator - is upgrading its data center networking infrastructure to support AI and cloud workloads for Samsung Group companies and external enterprise customers. LG CNS is similarly investing in AI-ready data center infrastructure including high-density networking for GPU clusters serving LG Group's AI initiatives. These domestic conglomerate investments create structured networking demand from established IT vendor relationships, where Cisco's enterprise channel dominance is challenged by Arista's superior AI cluster networking capabilities.

4. KT Government Cloud and Digital New Deal Data Center Networking - 2024

South Korea's government 'Digital New Deal' initiative - investing approximately USD 91 million in cloud computing in March 2024 - drives KT Corporation's (Korea Telecom) government cloud data center expansion, creating networking infrastructure procurement for federal agency workload migration. KT Cloud's expansion of government-grade Tier III data center capacity with the networking infrastructure serving government cloud workloads represents a significant structured procurement opportunity for Cisco, HPE Aruba, and domestic Korean networking equipment suppliers.

Recent Market Developments

1. South Korean Government Announces 1 GW Haenam Data Center Campus (2024)

Transformative 1 GW government-backed campus in Jeollanam-do creates the largest concentrated networking infrastructure procurement opportunity in South Korea.

2. South Korean Government Invests USD 91 Million in Cloud Computing (March 2024)

Government cloud investment drives KT Corporation's data center capacity expansion and creates government cloud networking procurement.

3. AWS and Microsoft Azure Expand South Korean Cloud Region Capacity (2024)

AWS and Microsoft Azure expanded South Korean cloud infrastructure with additional capacity requiring high-density switching and networking infrastructure.

4. Cisco Expands Nexus 9000 Series 400G Data Center Switching in Korea (2024)

Cisco advanced 400G Nexus 9000 platform deployment at South Korean enterprise and cloud data centers.

5. Arista Networks Expands 7280R/7800R AI-Optimised Switch Portfolio in Korea (2024)

Arista Networks expanded its AI-optimised ultra-low-latency switching platform presence in South Korean AI infrastructure deployments.

South Korea Data Center Networking Industry Segmentation

The EMR's report titled "South Korea Data Center Networking Market Report and Forecast 2025-2033" offers a detailed analysis of the market based on the following segments:

Market Breakup by Product Type

Ethernet Switches (ToR, Leaf, Spine)

Routers

Storage Area Network (SAN)

Application Delivery Controller (ADC)

Market Breakup by End-User

IT and Telecommunications

BFSI

E-Commerce

Cloud and IT Services

Government

Market Breakup by Hotspot

Seoul (52.1% share)

Busan (fastest growing at 27.55% CAGR)

Incheon

Others

Key Insight: 400G/800G Ethernet switches are the fastest-growing product category. Seoul holds 52.1% market share but Busan grows fastest. IT/Telecom holds 49.1% workload share. Government 1 GW Haenam campus creates largest structured procurement opportunity.

Competitive Landscape

South Korea's data center networking market is dominated by US technology companies with strong local presence.

Cisco Systems Inc. (United States)

Cisco maintains South Korean data center networking market leadership through Nexus platform, ACI software-defined networking, and long-standing Korean enterprise and financial services relationships.

Arista Networks Inc. (United States)

Arista is gaining share in South Korean AI infrastructure and hyperscale data center networking through its 7800R ultra-low-latency AI cluster switching platform.

Dell Technologies (United States)

Dell provides integrated data center networking through its PowerSwitch portfolio, targeting South Korean enterprise and mid-market data center customers.

Hewlett-Packard Enterprise (United States)

HPE provides FlexNetwork and Aruba data center switching and campus networking solutions for South Korean enterprise and government data center environments.

Other key players include Juniper Networks (United States) with its QFX data center switching and AI-Native Networking Platform.

Frequently Asked Questions (FAQ)

What is driving the South Korea Data Center Networking Market?

Key drivers include the government 1 GW Haenam campus initiative, AI GPU cluster 400G/800G networking demand, hyperscale cloud provider capacity expansion, Samsung SDS and LG CNS AI data center buildouts, and the government Digital New Deal cloud investment.

What is the growth outlook?

The market is projected to grow at approximately 15-20% CAGR through 2033, mirroring the overall South Korean data center market growth trajectory.

Which are the leading companies?

Major players include Cisco Systems, Arista Networks, Dell Technologies, Hewlett-Packard Enterprise, and Juniper Networks.

Table of Contents

South Korea Data Center Networking Market
Executive Summary
Market Size 2025-2026
Market Growth 2026(F)-2031(F)
Key Demand Drivers
Key Players and Competitive Structure
Industry Best Practices
Recent Trends and Developments
Industry Outlook
Market Overview and Stakeholder Insights
Market Trends
Key Verticals
Key Regions
Supplier Power
Buyer Power
Key Market Opportunities and Risks
Key Initiatives by Stakeholders
Economic Summary
GDP Outlook
GDP Per Capita Growth
Inflation Trends
Democracy Index
Gross Public Debt Ratios
Balance of Payment (BoP) Position
Population Outlook
Urbanisation Trends
Country Risk Profiles
Country Risk
Business Climate
Asia Pacific Data Center Networking Market Market Analysis
Key Industry Highlights
Data Center Networking Market Historical Market (2018-2025)
Data Center Networking Market Market Forecast (2026-2031)
South Korea Data Center Networking Market Market Analysis
Key Industry Highlights
South Korea Data Center Networking Market Historical Market (2018-2025)
South Korea Data Center Networking Market Market Forecast (2026-2031)
South Korea Data Center Networking Market Market by Component Type
Ethernet Switches
Historical Trend (2018-2025)
Forecast Trend (2026-2031)
Routers
Historical Trend (2018-2025)
Forecast Trend (2026-2031)
Storage Area Network (SAN)
Historical Trend (2018-2025)
Forecast Trend (2026-2031)
Application Delivery Controller (ADC)
Historical Trend (2018-2025)
Forecast Trend (2026-2031)
Others
South Korea Data Center Networking Market Market by End-User
IT and Telecommunications
Historical Trend (2018-2025)
Forecast Trend (2026-2031)
BFSI
Historical Trend (2018-2025)
Forecast Trend (2026-2031)
E-Commerce
Historical Trend (2018-2025)
Forecast Trend (2026-2031)
Cloud and IT Services
Historical Trend (2018-2025)
Forecast Trend (2026-2031)
Others
South Korea Data Center Networking Market Market by Data Center Size
Small
Historical Trend (2018-2025)
Forecast Trend (2026-2031)
Medium
Historical Trend (2018-2025)
Forecast Trend (2026-2031)
Large
Historical Trend (2018-2025)
Forecast Trend (2026-2031)
Massive
Historical Trend (2018-2025)
Forecast Trend (2026-2031)
Others
South Korea Data Center Networking Market Market by Region
Seoul
Historical Trend (2018-2025)
Forecast Trend (2026-2031)
Busan
Historical Trend (2018-2025)
Forecast Trend (2026-2031)
Incheon
Historical Trend (2018-2025)
Forecast Trend (2026-2031)
Others
Historical Trend (2018-2025)
Forecast Trend (2026-2031)
Market Dynamics
SWOT Analysis
Strengths
Weaknesses
Opportunities
Threats
Porter’s Five Forces Analysis
Supplier’s Power
Buyer’s Power
Threat of New Entrants
Degree of Rivalry
Threat of Substitutes
Key Indicators of Demand
Key Indicators of Price
Competitive Landscape
Supplier Selection
Key South Korea Players
Key Regional Players
Key Player Strategies
Company Profile
Cisco Systems Inc. (United States)
Source: Market Name found | https://www.cisco.com (Verified)
Company Overview
Product Portfolio
Demographic Reach and Achievements
Certifications
Arista Networks Inc. (United States)
Source: Market Name found | https://www.arista.com (Verified)
Company Overview
Product Portfolio
Demographic Reach and Achievements
Certifications
Dell Technologies (United States)
Source: Market Name found | https://www.dell.com (Verified)
Company Overview
Product Portfolio
Demographic Reach and Achievements
Certifications
Hewlett-Packard Enterprise (United States)
Source: Market Name found | https://www.hpe.com (Verified)
Company Overview
Product Portfolio
Demographic Reach and Achievements
Certifications
Juniper Networks (United States)
Source: Market Name found | https://www.juniper.net (Verified)
Company Overview
Product Portfolio
Demographic Reach and Achievements
Certifications
NetApp (United States)
Source: Market Name found | https://www.netapp.com (Verified)
Company Overview
Product Portfolio
Demographic Reach and Achievements
Certifications
LG Uplus Corp (South Korea)
Source: Market Name found | https://www.lguplus.com (Verified)
Company Overview
Product Portfolio
Demographic Reach and Achievements
Certifications
KT Corporation (South Korea)
Source: Market Name found | https://www.kt.com (Verified)
Company Overview
Product Portfolio
Demographic Reach and Achievements
Certifications
Broadcom (United States)
Source: Market Name found | https://www.broadcom.com (Verified)
Company Overview
Product Portfolio
Demographic Reach and Achievements
Certifications
Others
List of Key Figures and Tables
Asia Pacific South Korea Data Center Networking Market: Key Industry Highlights, 2018 and 2031
South Korea Data Center Networking Market: Key Industry Highlights, 2018 and 2031
South Korea Data Center Networking Historical Market: Breakup by Component Type (USD USD Billion), 2018-2025
South Korea Data Center Networking Market Forecast: Breakup by Component Type (USD USD Billion), 2026-2031
South Korea Data Center Networking Historical Market: Breakup by End-User (USD USD Billion), 2018-2025
South Korea Data Center Networking Market Forecast: Breakup by End-User (USD USD Billion), 2026-2031
South Korea Data Center Networking Historical Market: Breakup by Data Center Size (USD USD Billion), 2018-2025
South Korea Data Center Networking Market Forecast: Breakup by Data Center Size (USD USD Billion), 2026-2031
South Korea Data Center Networking Historical Market: Breakup by Region (USD USD Billion), 2018-2025
South Korea Data Center Networking Market Forecast: Breakup by Region (USD USD Billion), 2026-2031
South Korea Data Center Networking Market Supplier Selection
South Korea Data Center Networking Market Supplier Strategies
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