PCIe 4.0 and 5.0 Retimer Chip Market Share Driven by x16 Type and Increasing Integration in Expansion Cards | Valuates Reports

PCIe 4.0 and 5.0 Retimer Chip Market
The global market for PCIe 4.0 and 5.0 Retimer Chip was valued at US$ million in the year 2024 and is projected to reach a revised size of US$ million by 2031, growing at a CAGR of %during the forecast period.

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The PCIe 4.0 and 5.0 Retimer Chip market is gaining strong momentum as data-intensive applications demand higher bandwidth and lower latency across computing systems. Retimer chips play a crucial role in preserving signal integrity over longer distances at high data transfer rates, particularly in advanced PCI Express (PCIe) architectures. As enterprises and consumers adopt faster connectivity solutions, the market size continues to grow, with emerging market trends centered around server scalability, high-performance computing, and next-gen storage.

By type, the x16 segment holds the largest market share due to its broad adoption in high-performance expansion interfaces such as graphics cards, AI accelerators, and data center components. With PCIe 4.0 and 5.0 supporting doubled data rates over their predecessors, x16 retimers are critical for maintaining signal clarity and minimizing jitter in applications requiring maximum throughput. The x8 segment follows, often used in storage controllers, network interface cards, and multi-device expansion modules. The x4 type is commonly deployed in compact systems and low-power devices where space and energy efficiency are essential. The "Other" category includes non-standard configurations and custom pin arrangements for specialized hardware environments.

In terms of application, expansion cards dominate the market share as PCIe retimer chips are essential in ensuring signal quality across high-speed add-in boards such as GPUs, FPGAs, and SSDs. These cards require consistent signal performance to meet the demands of data centers, edge computing, and AI workloads. Mainboards represent a growing application area, with retimers increasingly integrated into motherboard designs to support long trace lengths and complex routing needed for modern CPUs and peripheral interfaces. As motherboards scale to accommodate multiple high-speed lanes, retimer chips become indispensable for achieving stable, high-throughput communication.

Looking ahead, the market forecast indicates continued expansion driven by rapid advancements in data processing, server architecture, and AI computing. The PCIe 4.0 and 5.0 Retimer Chip market is well-positioned for sustained growth as industry transitions toward PCIe 6.0 and beyond, reinforcing the demand for robust signal management solutions in both enterprise and consumer systems.

by Type

• x4
• x8
• x16
• Other

by Application

• Expansion Card
• Mainboard

By Company

Astera Labs, Inc, Parade Technologies, Ltd., Montage Technology, Texas Instruments, Renesas, Microchip

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