PCI Express Switches Market Size, Share & Trends Analysis Report By Product (PCIe Switch Chip, PCIe Signal Enhancement Chip), By Applications (Server, SSD, Others), By End Use, By Region, and Segment Forecasts - 2035

PCI Express Switches Market Overview

PCI express switches market size was valued at USD 989.97 million in 2025 and is poised to grow from USD 1107.78 million in 2026 to USD 3503.68 million by 2035, growing at a CAGR of 11.9% during the forecast period (2026-2035).

The PCI Express Switches Market is expanding rapidly as artificial intelligence servers, hyperscale data centers, enterprise computing platforms, high-performance storage systems, accelerators, networking appliances, and edge infrastructure require increasingly flexible high-bandwidth connectivity between processors and peripheral devices. PCIe Switch Chip and PCIe Signal Enhancement Chip represent the supplied product types, while Server, SSD, and Others form the principal application categories. PCIe Switch Chip holds the leading position because modern servers increasingly connect multiple GPUs, accelerators, NVMe drives, network adapters, memory devices, and specialized controllers through one PCIe hierarchy. Server represents the largest application because AI and high-performance computing systems require large lane counts, low latency, peer-to-peer connectivity, device fan-out, resource pooling, and scalable peripheral topologies. PCIe 6.0 operates at 64 GT/s per lane, doubling the raw transfer rate of PCIe 5.0 and increasing the importance of switches and signal-enhancement devices as systems become larger and electrically more difficult to design. Advanced switches now support more than 100 lanes in high-density server architectures, while signal enhancement chips help maintain data integrity over longer traces, connectors, risers, backplanes, and cable assemblies. Market development is supported by AI accelerators, NVMe storage, cloud computing, CXL-enabled architectures, GPU expansion, disaggregated systems, edge computing, and successive PCI Express generations.

The United States represents an important PCI Express Switches Market because of its concentration of hyperscale cloud providers, AI infrastructure developers, server manufacturers, processor companies, semiconductor designers, high-performance computing centers, enterprise data centers, and storage technology vendors. U.S. data centers increasingly deploy accelerator-rich servers in which a single host may connect more than 8 GPUs or specialized processors alongside multiple NVMe storage devices and network interfaces. This creates a need for PCIe switching fabrics that expand the limited number of CPU root-complex lanes and efficiently distribute bandwidth among many endpoints. PCIe 6.0 switching is gaining strategic importance as AI systems require higher aggregate throughput and lower latency, while CXL-compatible interconnect architectures create additional opportunities for memory expansion and resource pooling. U.S. customers increasingly evaluate switch products by lane count, port flexibility, latency, power consumption, SerDes quality, virtualization support, hot-plug capability, security, telemetry, interoperability, and compatibility with PCIe 5.0, PCIe 6.0, and emerging CXL environments.

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Key Findings

• Leading Product Type: PCIe Switch Chip is estimated to account for approximately 72% of market demand because AI servers, storage systems, accelerator platforms, and enterprise infrastructure increasingly require multi-port lane expansion and flexible device fan-out.
• Leading Application: Server represents approximately 57% of market demand as AI, cloud, HPC, enterprise computing, and accelerator-rich systems increasingly require high-lane-count PCIe switching between CPUs, GPUs, storage, and network devices.
• Leading Region: North America holds approximately 38% of market demand, supported by hyperscale data centers, AI infrastructure, cloud platforms, semiconductor design, advanced servers, and early adoption of next-generation PCIe technologies.
• Fastest Growing Region: Asia-Pacific is projected to expand at approximately 14.6% annually as server manufacturing, AI infrastructure, semiconductor investment, cloud capacity, SSD production, and electronics manufacturing increase.
• Technology Trend: PCIe 6.0 raises signaling to 64 GT/s per lane, increasing adoption of advanced switching, retiming, equalization, telemetry, and signal-integrity technologies across high-performance server platforms.
• Market Driver: A modern AI server can connect more than 8 accelerators alongside multiple NVMe drives and network adapters, creating substantial demand for scalable PCIe lane expansion and switching.
• Competitive Landscape: Leading suppliers increasingly compete across more than 9 parameters including lane count, latency, SerDes performance, power efficiency, CXL compatibility, security, telemetry, virtualization, port flexibility, and software support.
• Future Outlook: The market is projected to grow at an 11.9% CAGR through 2035 as AI computing, PCIe 6.0, CXL, NVMe storage, GPU expansion, and composable infrastructure accelerate.

Latest Trends

PCIe 6.0 commercialization is one of the strongest trends in the PCI Express Switches Market as server designers begin moving beyond PCIe 5.0 to support higher-bandwidth AI, storage, and accelerator architectures. PCIe 6.0 operates at 64 GT/s per lane and introduces PAM4 signaling, forward-error correction, and FLIT-based encoding, creating significantly greater signal-integrity challenges than earlier generations. High-lane-count switches are therefore becoming strategically important for fan-out architectures in which multiple accelerators or SSDs need simultaneous access to host resources. Current PCIe 6.0 switching products can reach more than 100 lanes, while newly introduced architectures demonstrate even higher radix for large AI systems. Signal enhancement also becomes increasingly important because higher data rates reduce allowable channel loss and increase sensitivity to connectors, PCB traces, riser cards, and cable assemblies.

Another major trend is the convergence of PCIe switching with CXL-oriented resource architectures. AI servers increasingly face memory-capacity, accelerator-connectivity, and device-utilization constraints that cannot always be solved by attaching every resource directly to one CPU. PCIe and CXL switching can help distribute accelerators, memory, and storage across larger system fabrics while maintaining relatively low latency. A rack-scale architecture can involve dozens of CPUs, GPUs, memory devices, and storage endpoints connected through several switching layers. Switch manufacturers are therefore improving fabric management, telemetry, peer-to-peer communication, virtualization, security, multi-host support, and non-transparent bridging. This transition positions PCIe switches as strategic fabric components rather than simple connectivity expanders.

Market Dynamics

Driver

""AI server expansion is accelerating demand for high-lane-count PCIe switching.""

The rapid expansion of artificial intelligence infrastructure is a major driver of the PCI Express Switches Market because AI servers contain substantially more accelerators, storage devices, and high-speed network interfaces than conventional enterprise servers. Server accounts for approximately 57% of application demand because modern systems increasingly require PCIe switches to distribute CPU lanes efficiently among GPUs, AI accelerators, NVMe SSDs, SmartNICs, DPUs, and other peripheral devices. A high-performance server can contain more than 8 accelerators, each requiring multiple PCIe lanes, while host processors have a finite number of native lanes available. PCIe switches increase connectivity by creating additional downstream ports and allowing multiple endpoints to share upstream host links while maintaining high throughput. Peer-to-peer communication can also reduce unnecessary CPU involvement when accelerators and storage devices exchange data directly.

Successive PCI Express generations further strengthen this driver because every transition doubles raw signaling bandwidth while increasing system-design complexity. PCIe 6.0 reaches 64 GT/s per lane, allowing substantially higher aggregate throughput across x8 and x16 connections than PCIe 5.0. However, higher speeds make board routing, connectors, backplanes, and system topology more difficult to manage, increasing demand for both PCIe Switch Chip and PCIe Signal Enhancement Chip. The combination of AI training, inference, cloud computing, accelerated databases, high-performance storage, GPU servers, edge computing, and CXL-based architectures supports market expansion at the projected 11.9% CAGR through 2035. Switches increasingly become essential system-level components whenever the number of high-bandwidth peripherals exceeds the direct connectivity available from the host processor.

Restraint

""Power consumption and design complexity can constrain adoption in cost-sensitive systems.""

Power consumption remains an important restraint because advanced PCIe switches contain large numbers of high-speed SerDes lanes, packet-processing logic, buffers, management processors, security functions, and telemetry features. A high-lane-count device can consume tens of watts depending on port configuration and generation, adding thermal load inside already power-dense AI servers. A server containing more than 8 accelerators can already require several kilowatts of total system power, making every additional watt increasingly important to cooling and data-center efficiency. Switch vendors therefore need to improve process technology, lane power, idle-state management, thermal packaging, and firmware-controlled power management while still maintaining low latency and full bandwidth. Smaller enterprise systems may avoid high-end switching if direct CPU connectivity is sufficient.

Design complexity creates another restraint because system engineers must manage lane bifurcation, topology, firmware, BIOS support, enumeration, hot plug, reset behavior, clocking, error handling, virtualization, and interoperability across multiple endpoints. A sophisticated PCIe fabric can involve more than 20 devices connected through several switch tiers, increasing validation requirements significantly. Higher generations also create tighter signal-integrity margins, forcing designers to use better PCB materials, shorter traces, optimized connectors, retimers, or signal-conditioning devices. This increases bill-of-material cost and development effort. Organizations therefore need strong system engineering and validation capability before deploying very large PCIe topologies at scale.

Opportunity

""PCIe 6.0, CXL, and disaggregated infrastructure create substantial new switching opportunities.""

PCIe 6.0 creates a major opportunity because next-generation AI servers, storage platforms, and accelerator systems require significantly greater bandwidth while maintaining compatibility with established PCI Express software and device ecosystems. PCIe Switch Chip accounts for approximately 72% of product demand and is well positioned to benefit from increasing lane counts and port density. Current-generation PCIe 6.0 switching architectures demonstrate configurations exceeding 100 lanes, enabling designers to connect many CPUs, GPUs, SSDs, and network devices through one fabric. Higher-radix switches can also reduce the number of switching stages required in large systems, potentially lowering latency and system complexity. Vendors offering advanced telemetry, hot-plug support, multi-host partitioning, security, and CXL compatibility can capture particularly strong AI infrastructure demand.

Asia-Pacific provides another substantial opportunity because regional demand is projected to expand at approximately 14.6% annually as China, Taiwan, South Korea, Japan, India, Singapore, and Southeast Asia increase server production, cloud infrastructure, semiconductor manufacturing, enterprise data centers, AI computing, and SSD capacity. Taiwan and China-linked supply chains are particularly important in server and motherboard manufacturing, while South Korea and Japan contribute strong memory and storage ecosystems. A major server manufacturing campus can produce hundreds of thousands of systems annually, creating substantial demand for switches, retimers, signal enhancers, connectors, and associated components. Future regional opportunities will be supported by AI servers, PCIe 6.0 SSDs, cloud regions, accelerator platforms, domestic semiconductor design, and data-center construction.

Challenge

""Maintaining signal integrity at 64 GT/s remains a major engineering challenge.""

A major challenge is maintaining reliable electrical signaling as PCI Express speeds increase. PCIe 6.0 operates at 64 GT/s and uses PAM4 signaling, which carries more information per symbol but provides smaller voltage margins than traditional NRZ signaling. A channel can pass through PCB traces, connectors, sockets, risers, and cable assemblies before reaching the endpoint, with each element adding insertion loss, reflection, jitter, and crosstalk. Long or complex channels may therefore require PCIe Signal Enhancement Chip devices such as redrivers or retimers to restore signal quality. Designers need to evaluate eye diagrams, bit-error rates, equalization, channel loss, clock recovery, and forward-error correction across every critical connection.

Interoperability creates another challenge because PCIe switches must operate reliably with processors, GPUs, SSD controllers, network adapters, accelerators, firmware, and operating systems from many suppliers. A server platform can include more than 10 device vendors within one PCIe topology, increasing the probability of firmware or protocol interactions that require qualification. Backward compatibility also matters because customers may combine PCIe 4.0, PCIe 5.0, and PCIe 6.0 endpoints within the same system. Switch vendors therefore need extensive validation laboratories, compliance testing, reference designs, firmware updates, and technical support. Future competitiveness will depend on suppliers that can deliver not only high performance but also predictable interoperability across rapidly evolving system architectures.

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Segmentation Analysis

By Types

PCIe Switch Chip: PCIe Switch Chip accounts for approximately 72% of the PCI Express Switches Market and remains the leading product type because switches enable one or more upstream PCIe links to connect with multiple downstream devices while managing packet routing, lane allocation, hierarchy, and peer-to-peer communication. A high-performance switch can contain more than 100 PCIe lanes distributed across numerous ports, allowing system designers to connect GPUs, SSDs, accelerators, network adapters, and other peripherals beyond the number directly supported by a host processor. Switch chips are widely used in AI servers, storage arrays, enterprise platforms, telecom systems, workstations, and embedded computing. Advanced devices increasingly support multi-host operation, non-transparent bridging, hot plug, virtual hierarchies, telemetry, security, and sophisticated error management.

The approximately 72% share is expected to remain dominant through 2035 as AI and cloud infrastructure move toward higher device counts and more flexible resource architectures. A rack-scale accelerator platform can contain dozens of endpoints requiring several hundred aggregate PCIe lanes, making switching essential to topology design. Future demand will be supported by PCIe 6.0, CXL, GPU expansion, disaggregated storage, memory pooling, SmartNICs, DPUs, and composable infrastructure. Manufacturers offering high radix, low latency, efficient lane utilization, advanced software, strong security, and validated interoperability can maintain particularly strong positions. Higher-generation switches also create opportunities to consolidate multiple older devices into fewer high-density components.

PCIe Signal Enhancement Chip: PCIe Signal Enhancement Chip represents approximately 28% of market demand and remains increasingly important as PCI Express speeds rise and electrical channels become more difficult to maintain. Signal enhancement devices include chips that compensate for attenuation, jitter, channel loss, and signal degradation across long PCB traces, connectors, risers, backplanes, and cables. A PCIe 6.0 system running at 64 GT/s has significantly tighter signal-integrity requirements than PCIe 4.0 or PCIe 5.0 systems, increasing the probability that complex server layouts need retiming or redriving. Signal enhancement allows designers to position GPUs, SSDs, accelerators, and network interfaces farther from host processors without sacrificing reliable operation.

The approximately 28% share is expected to expand as servers become larger and more modular. A high-density system can contain more than 10 enhanced PCIe links across motherboard, riser, expansion chassis, or cable connections, creating meaningful silicon content beyond the central switch. Future demand will be supported by PCIe 6.0 SSDs, AI accelerator systems, rack-scale architectures, CXL, cable-based PCIe, enterprise storage, and high-density servers. Suppliers offering low latency, strong equalization, telemetry, power efficiency, broad reach extension, and compatibility across several PCI Express generations can capture especially strong growth as signaling speeds increase.

By Applications

Server: Server accounts for approximately 57% of the PCI Express Switches Market and remains the leading application because AI, cloud, enterprise, and high-performance computing systems increasingly require connectivity among multiple processors, accelerators, storage devices, and network interfaces. A modern AI server can include more than 8 GPUs or specialized accelerators, several NVMe SSDs, SmartNICs, DPUs, management devices, and other PCIe endpoints. Host processors cannot always provide enough direct lanes for every component, making switch chips essential for fan-out, aggregation, peer-to-peer communication, and topology management. Servers increasingly use PCIe switches to increase resource utilization while supporting configurable hardware architectures for different workloads.

The approximately 57% share is expected to remain dominant through 2035 as AI infrastructure, hyperscale cloud, inference, accelerated databases, scientific computing, and high-performance networking expand. A large server platform can require more than 100 PCIe lanes when accelerators, storage, and networking are combined, creating significant semiconductor content for switches and signal-enhancement devices. Future demand will be supported by PCIe 6.0, CXL, composable infrastructure, GPU clusters, enterprise AI, memory expansion, and multi-host architectures. Manufacturers offering high-lane-count switches with strong software and interoperability support can capture particularly strong server demand.

SSD: SSD represents approximately 28% of market demand and is increasingly important as enterprise and data-center storage moves toward high-speed NVMe architectures. PCIe switches allow multiple SSDs to connect efficiently with host processors or storage controllers and can enable large flash arrays with flexible lane allocation. A high-performance storage appliance can contain more than 24 NVMe SSDs, creating significantly more endpoint demand than a typical server CPU can support directly. PCIe switches therefore enable dense storage shelves, all-flash arrays, composable storage, and shared NVMe resources. Signal enhancement also becomes important when SSDs are located across backplanes, expansion chassis, or cable connections.

The approximately 28% share is expected to increase gradually as PCIe 5.0 and PCIe 6.0 SSDs raise throughput and enterprise storage becomes more disaggregated. A PCIe 6.0 x4 SSD theoretically receives substantially more interface bandwidth than an equivalent PCIe 5.0 connection, increasing switch throughput requirements when many drives operate simultaneously. Future demand will be supported by AI data pipelines, cloud storage, all-flash arrays, database systems, content platforms, and high-performance computing. Suppliers offering low-latency switching, large port counts, hot-plug support, error isolation, telemetry, and signal integrity can maintain strong positions in SSD applications.

Others: Others account for approximately 15% of market demand and include workstations, telecom equipment, industrial computing, networking appliances, embedded systems, test equipment, automotive computing, and other applications requiring flexible PCIe connectivity. A professional workstation can contain more than 5 high-performance PCIe devices including GPUs, capture cards, storage, networking, and accelerators, making additional switching useful when motherboard lane availability is limited. Telecom and industrial platforms also use switches to connect FPGA accelerators, network interfaces, storage, and specialized I/O modules within modular systems.

The approximately 15% share is expected to remain diverse as PCI Express expands beyond conventional server and storage environments. Edge AI systems, telecom infrastructure, autonomous computing, industrial vision, professional media, and embedded platforms increasingly integrate accelerators and high-speed storage. Future demand will be supported by 5G infrastructure, edge servers, industrial automation, autonomous systems, media workstations, scientific equipment, and specialized computing appliances. Manufacturers offering compact packages, low power consumption, flexible port configurations, and extended lifecycle support can capture attractive opportunities across these specialized applications.

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Regional Outlook

North America

North America holds approximately 38% of the PCI Express Switches Market and remains the leading regional demand center because of extensive hyperscale cloud infrastructure, AI accelerator deployment, server design, semiconductor innovation, enterprise data centers, high-performance computing, and advanced storage systems. The United States contributes most regional demand through cloud providers, AI laboratories, server manufacturers, processor companies, semiconductor designers, storage vendors, and research computing facilities. A hyperscale AI deployment can contain thousands of accelerator servers, each requiring extensive PCIe connectivity among CPUs, GPUs, network adapters, DPUs, and NVMe storage. North American customers are also early adopters of PCIe 6.0, CXL, advanced GPU fabrics, and composable infrastructure, increasing demand for high-radix switches and signal enhancement.

North America's approximately 38% share is expected to remain substantial through 2035 as artificial intelligence infrastructure, cloud computing, storage, and accelerated enterprise applications expand. PCIe 6.0 products are moving into commercial server and storage environments, while high-lane-count switches support increasingly large accelerator topologies. Recent industry deployments demonstrate PCIe 6.0 switch designs supporting 64 GT/s signaling and lane counts extending well above 100, highlighting the shift toward larger AI fabrics. Future regional demand will be supported by GPU clusters, CXL memory expansion, NVMe storage, hyperscale data centers, and AI inference. Suppliers with strong ecosystem partnerships, reference designs, firmware, and validation capabilities can maintain particularly strong positions.

Europe

Europe represents approximately 20% of market demand and benefits from high-performance computing, automotive electronics, industrial automation, telecom infrastructure, scientific research, enterprise data centers, and advanced semiconductor design. Germany, the United Kingdom, France, Italy, Nordic countries, the Netherlands, and Central Europe contribute meaningful demand. European supercomputing and research centers increasingly deploy accelerator-rich systems containing thousands of CPUs and GPUs, creating strong demand for high-bandwidth peripheral interconnection. Industrial and automotive computing also use PCIe switches to connect processors, cameras, storage, networking, and accelerator modules. A high-performance research server can contain more than 8 accelerator devices and several high-speed storage endpoints, requiring flexible PCIe topologies.

Europe's approximately 20% share is expected to remain important as AI research, scientific computing, industrial edge systems, autonomous technologies, telecom modernization, and automotive computing expand. Regional customers increasingly emphasize energy efficiency and long lifecycle support, particularly in industrial and research environments. Future demand will be supported by European supercomputing programs, enterprise AI, industrial automation, autonomous vehicles, telecom infrastructure, and storage modernization. Suppliers offering low-power switching, long-term availability, CXL compatibility, strong security, and comprehensive technical support can capture sustained regional demand.

Asia-Pacific

Asia-Pacific accounts for approximately 35% of the PCI Express Switches Market and is projected to record the fastest growth at approximately 14.6% annually. China, Taiwan, South Korea, Japan, India, Singapore, and Southeast Asia provide substantial opportunities through server manufacturing, semiconductor production, SSD ecosystems, cloud capacity, electronics assembly, AI infrastructure, and data-center investment. Taiwan and China-linked manufacturers produce large volumes of motherboards, servers, storage systems, and networking equipment, creating significant regional demand for PCIe Switch Chip and PCIe Signal Enhancement Chip. A major server-manufacturing operation can produce hundreds of thousands of systems annually, with high-end configurations requiring multiple PCIe switches, retimers, or signal-conditioning devices.

Asia-Pacific's approximately 35% share is expected to increase through 2035 as AI servers, cloud regions, PCIe 6.0 storage, domestic semiconductor programs, and data-center construction expand. South Korea and Japan contribute strong memory and storage capabilities, while China and Taiwan maintain extensive computing-hardware ecosystems. Future regional demand will be supported by AI accelerators, enterprise servers, NVMe SSDs, telecom edge systems, CXL-enabled infrastructure, and hyperscale data centers. Suppliers offering strong local engineering, scalable production, competitive pricing, advanced SerDes technology, and broad system interoperability can capture especially attractive growth across the region.

Middle East & Africa

Middle East & Africa account for approximately 7% of market demand and provide a developing opportunity as cloud data centers, AI infrastructure, telecom networks, smart cities, government digitalization, research computing, and enterprise technology investment increase. Gulf countries contribute higher-value demand through hyperscale cloud regions, government AI programs, financial services, telecom operators, and advanced digital infrastructure, while South Africa, Egypt, Kenya, Nigeria, Morocco, and other markets provide additional opportunities through cloud services, enterprise computing, and telecommunications. A regional AI data center can deploy hundreds of accelerator servers, creating demand for switches and signal-enhancement components through imported server and storage platforms.

The approximately 7% regional share is expected to grow gradually as data-center capacity, AI adoption, digital-government services, cloud hosting, and telecom infrastructure expand. Demand will largely follow server, storage, and networking hardware investment because PCIe switches are typically embedded within complete systems rather than purchased independently by end users. Future opportunities will be supported by AI computing, hyperscale cloud, financial technology, smart-city platforms, telecom edge computing, and high-performance research. Suppliers with strong OEM relationships and regional server partnerships can improve market penetration as advanced computing infrastructure expands.

List of Top PCI Express Switches Companies

• Broadcom Inc.
• Microchip Technology
• ASMedia Technology Inc.
• Diodes Incorporated
• Texas Instruments
• Intel
• ON Semiconductor
• Semtech
• NXP Semicondutors

Top 2 Companies Market Share

Broadcom Inc.: Broadcom Inc. is estimated to account for approximately 28% of the competitive market, supported by extensive PCIe switching expertise, high-lane-count products, advanced SerDes technology, data-center relationships, AI infrastructure exposure, strong software support, and broad server-system adoption.

Microchip Technology: Microchip Technology is estimated to represent approximately 19% of the competitive market, supported by Switchtec PCIe platforms, storage and server expertise, high-reliability products, broad PCIe generation support, advanced management features, and strong enterprise infrastructure relationships.

Investment Analysis

Investment in the PCI Express Switches Market is increasingly directed toward PCIe 6.0 switching, high-speed SerDes, advanced packaging, CXL compatibility, low-latency fabrics, telemetry, signal enhancement, and next-generation process nodes. Semiconductor companies are developing switches capable of handling more than 100 PCIe lanes while maintaining manageable power consumption and deterministic latency. Capital is also flowing toward validation laboratories because PCIe 6.0 at 64 GT/s requires sophisticated oscilloscopes, bit-error-rate testers, protocol analyzers, channel models, compliance fixtures, and interoperability platforms. Engineering investment increasingly extends beyond silicon into firmware, management software, reference designs, and system-validation tools because customers need complete solutions rather than isolated switch chips.

Additional investment is moving toward AI-scale connectivity and memory-oriented fabrics. High-radix PCIe 6.0 products have recently demonstrated lane counts reaching 260 lanes, illustrating the industry's move toward larger scale-up fabrics for AI infrastructure. ture capital allocation is likely to favor companies that can combine PCIe switching, CXL, retimers, signal enhancement, security, and software under one interconnected portfolio. Suppliers capable of reducing the number of switch tiers while increasing accelerator and memory connectivity can create strong value for hyperscale customers. Manufacturing at advanced process nodes can further improve lane density and power efficiency, supporting increasingly complex AI and storage systems.

New Product Development

New product development increasingly focuses on PCIe 6.0 switches designed for AI servers, storage systems, and scale-up accelerator networks. PCI-SIG qualification listings in August 2026 show PCIe 6.x switch products operating at 64 GT/s from multiple suppliers, including configurations reaching 144 and 160 lanes, demonstrating that PCIe 6.0 switching is moving into commercial deployment. High-radix devices allow system architects to connect more GPUs, CPUs, SSDs, and network devices while using fewer cascaded switches. Manufacturers are also adding bifurcation, multi-host operation, telemetry, hot plug, security, and advanced error handling to improve flexibility in hyperscale and enterprise systems.

Another major development area is PCIe 6.0 signal enhancement and storage connectivity. Microchip demonstrated an end-to-end PCIe Gen 6 storage architecture in August 2026 combining Switchtec Gen 6 switching with PCIe 6.0 NVMe SSDs, highlighting the increasing maturity of next-generation server-storage ecosystems. Signal-enhancement products increasingly target 64 GT/s channels where motherboard traces, connectors, cables, and backplanes create substantial loss. Future differentiation will depend on lane density, latency, power efficiency, signal integrity, CXL capability, port flexibility, security, software, and proven interoperability across CPUs, GPUs, SSDs, and network adapters.

Five Recent Developments

• August 2026: PCIe 6.0 switch products from Broadcom and Microchip appeared in PCI-SIG qualification listings with 64 GT/s operation and high-lane-count configurations designed for advanced server connectivity. :
• August 2026: Microchip demonstrated PCIe Gen 6 storage connectivity combining high-speed Switchtec switching with next-generation NVMe SSD architecture for AI, cloud, and data-center applications.
• March 2026: A new 260-lane PCIe 6.0 switch architecture was introduced for AI data-center scale-up infrastructure, highlighting growing demand for higher-radix accelerator connectivity.
• March 2026: Advanced CXL switching development expanded around rack-level memory pooling, high-capacity shared-memory access, and broader resource disaggregation for accelerated computing environments. :
• May 2024: PCIe switching development increasingly emphasized higher SerDes speeds, stronger signal integrity, larger lane counts, lower latency, and flexible device fan-out for AI, storage, and enterprise computing architectures.

Report Coverage

The PCI Express Switches Market report evaluates PCIe Switch Chip and PCIe Signal Enhancement Chip across Server, SSD, and Others throughout the forecast period. The coverage examines PCI Express switching, lane expansion, fan-out, PCIe 5.0, PCIe 6.0, 64 GT/s signaling, PAM4, SerDes, retimers, redrivers, equalization, CXL, GPU connectivity, AI accelerators, NVMe storage, SmartNICs, DPUs, peer-to-peer communication, multi-host architectures, non-transparent bridging, telemetry, hot plug, virtualization, signal integrity, advanced packaging, server backplanes, cable connectivity, composable infrastructure, memory expansion, high-performance computing, and edge systems. It also evaluates how AI infrastructure, cloud computing, faster SSDs, accelerator density, higher PCIe speeds, and disaggregated architectures influence market development.

The competitive assessment covers Broadcom Inc., Microchip Technology, ASMedia Technology Inc., Diodes Incorporated, Texas Instruments, Intel, ON Semiconductor, Semtech, and NXP Semicondutors. Regional coverage independently examines AI data centers, server manufacturing, SSD production, semiconductor design, cloud infrastructure, enterprise computing, high-performance computing, telecom systems, and edge deployment across major geographic markets. The coverage also evaluates how high-radix PCIe 6.0 switches, 64 GT/s signaling, CXL connectivity, signal enhancement, advanced SerDes, multi-host architectures, telemetry, and low-latency fabrics are reshaping competitive strategy. Competitive strength increasingly depends on lane count, throughput, latency, power efficiency, SerDes quality, interoperability, CXL support, security, software, process technology, and the ability to support increasingly complex accelerator-rich systems.