Marvell Demonstrates Industry's First End-to-end PCIe Gen 6 Over Optics for Accelerated Infrastructure at OFC 2025
Marvell Technology (NASDAQ: MRVL) and TeraHop have demonstrated the industry's first end-to-end PCIe Gen 6 over optics solution at OFC 2025. The breakthrough showcases PCIe signal transmission between root complex and endpoint across 10 meters of TeraHop OSFP-XD active optical cable using Marvell's Alaska P PCIe Gen 6 retimer.
The collaboration enables low-latency, standards-based AI scale-up infrastructure by extending PCIe reach beyond traditional electrical limits. The solution incorporates PCIe Gen 7 SerDes technology running at 128 GT/s through TeraHop's linear-drive pluggable optical module, ensuring reliable high-speed connectivity between AI accelerators, CPUs, CXL-pooled memory, SSDs, and NICs.
This advancement is important for next-generation accelerated infrastructure, addressing the exponential data growth driven by AI workloads that demand higher bandwidth and longer reach capabilities.
Marvell Technology (NASDAQ: MRVL) e TeraHop hanno dimostrato la prima soluzione end-to-end PCIe Gen 6 su ottica del settore all'OFC 2025. Questa innovazione mette in mostra la trasmissione del segnale PCIe tra il root complex e l'endpoint su una distanza di 10 metri utilizzando il cavo ottico attivo OSFP-XD di TeraHop con il retimer PCIe Gen 6 Alaska P di Marvell.
La collaborazione consente un'infrastruttura di AI scalabile a bassa latenza e basata su standard, estendendo la portata del PCIe oltre i limiti elettrici tradizionali. La soluzione incorpora la tecnologia SerDes PCIe Gen 7 che opera a 128 GT/s attraverso il modulo ottico pluggable a guida lineare di TeraHop, garantendo una connettività ad alta velocità e affidabile tra acceleratori AI, CPU, memoria pool CXL, SSD e NIC.
Questo progresso è importante per l'infrastruttura accelerata di nuova generazione, affrontando la crescita esponenziale dei dati guidata dai carichi di lavoro AI che richiedono una maggiore larghezza di banda e capacità di portata più lunghe.
Marvell Technology (NASDAQ: MRVL) y TeraHop han demostrado la primera solución de extremo a extremo PCIe Gen 6 sobre óptica en la OFC 2025. Este avance muestra la transmisión de señales PCIe entre el root complex y el endpoint a través de 10 metros de cable óptico activo OSFP-XD de TeraHop utilizando el retimer PCIe Gen 6 Alaska P de Marvell.
La colaboración permite una infraestructura de IA escalable de baja latencia y basada en estándares al extender el alcance de PCIe más allá de los límites eléctricos tradicionales. La solución incorpora la tecnología SerDes PCIe Gen 7 que opera a 128 GT/s a través del módulo óptico enchufable de TeraHop, asegurando una conectividad de alta velocidad y fiable entre aceleradores de IA, CPUs, memoria agrupada CXL, SSDs y NICs.
Este avance es importante para la infraestructura acelerada de próxima generación, abordando el crecimiento exponencial de datos impulsado por cargas de trabajo de IA que exigen mayor ancho de banda y capacidades de alcance más largas.
마벨 테크놀로지 (NASDAQ: MRVL)와 테라홉이 OFC 2025에서 업계 최초의 광학 기반 PCIe Gen 6 엔드 투 엔드 솔루션을 시연했습니다. 이 혁신은 마벨의 Alaska P PCIe Gen 6 리타이머를 사용하여 테라홉의 OSFP-XD 액티브 광케이블을 통해 루트 컴플렉스와 엔드포인트 간의 PCIe 신호 전송을 10미터에서 보여줍니다.
이 협력은 저지연, 표준 기반의 AI 확장 인프라를 가능하게 하여 PCIe의 범위를 전통적인 전기적 한계를 넘어 확장합니다. 이 솔루션은 테라홉의 선형 드라이브 플러그형 광 모듈을 통해 128 GT/s에서 작동하는 PCIe Gen 7 SerDes 기술을 통합하여 AI 가속기, CPU, CXL 풀 메모리, SSD 및 NIC 간의 신뢰할 수 있는 고속 연결을 보장합니다.
이 발전은 차세대 가속 인프라에 중요하며, 더 높은 대역폭과 긴 범위 기능을 요구하는 AI 워크로드로 인한 데이터의 기하급수적 증가에 대응합니다.
Marvell Technology (NASDAQ: MRVL) et TeraHop ont démontré la première solution PCIe Gen 6 de bout en bout sur fibre optique de l'industrie lors de l'OFC 2025. Cette avancée met en avant la transmission de signaux PCIe entre le root complex et le point final sur une distance de 10 mètres à l'aide du câble optique actif OSFP-XD de TeraHop, utilisant le retimer PCIe Gen 6 Alaska P de Marvell.
Cette collaboration permet une infrastructure AI évolutive à faible latence et basée sur des normes en étendant la portée du PCIe au-delà des limites électriques traditionnelles. La solution intègre la technologie SerDes PCIe Gen 7 fonctionnant à 128 GT/s via le module optique enfichable de TeraHop, garantissant une connectivité haute vitesse et fiable entre les accélérateurs AI, les CPU, la mémoire poolée CXL, les SSD et les NIC.
Cette avancée est importante pour l'infrastructure accélérée de nouvelle génération, répondant à la croissance exponentielle des données générée par les charges de travail AI qui nécessitent une bande passante plus élevée et des capacités de portée plus longues.
Marvell Technology (NASDAQ: MRVL) und TeraHop haben auf der OFC 2025 die erste End-to-End PCIe Gen 6 über Optik-Lösung der Branche demonstriert. Dieser Durchbruch zeigt die PCIe-Signalübertragung zwischen dem Root-Komplex und dem Endpunkt über 10 Meter des aktiven optischen Kabels OSFP-XD von TeraHop unter Verwendung des PCIe Gen 6 Retimers Alaska P von Marvell.
Die Zusammenarbeit ermöglicht eine latencyarme, standardbasierte AI-Skalierungsinfrastruktur, indem die Reichweite von PCIe über die traditionellen elektrischen Grenzen hinaus erweitert wird. Die Lösung integriert die PCIe Gen 7 SerDes-Technologie, die mit 128 GT/s über das steckbare optische Modul von TeraHop betrieben wird und eine zuverlässige Hochgeschwindigkeitsverbindung zwischen AI-Beschleunigern, CPUs, CXL-poolbarer Speicher, SSDs und NICs gewährleistet.
Dieser Fortschritt ist wichtig für die beschleunigte Infrastruktur der nächsten Generation, die das exponentielle Datenwachstum adressiert, das durch AI-Workloads verursacht wird und höhere Bandbreiten und längere Reichweiten erfordert.
- First-to-market advantage with PCIe Gen 6 over optics technology
- Strategic positioning in growing AI infrastructure market
- Successful demonstration of next-gen PCIe Gen 7 SerDes at 128 GT/s
- Strong partnership with TeraHop for market implementation
- PCIe Gen 7 standard not yet finalized
- Technology still in demonstration phase, not yet commercialized
Insights
Marvell's demonstration of the industry's first end-to-end PCIe Gen 6 over optics represents a significant technical achievement in data center connectivity. By extending PCIe signals across 10 meters via optical cable, Marvell addresses a fundamental limitation in traditional electrical PCIe connections that typically max out at much shorter distances.
The technical implications are substantial. As AI compute clusters scale up, the ability to maintain PCIe's native low latency while extending physical reach creates new architectural possibilities for distributed processing. The Alaska P PCIe Gen 6 retimer technology effectively converts electrical signals to optical data without sacrificing performance characteristics, enabling flexible placement of processing elements across larger physical spaces.
More forward-looking is the demonstration of PCIe Gen 7 SerDes running at 128 GT/s through TeraHop's optical modules. With PCIe Gen 7 specifications expected to finalize this year, Marvell is positioning itself at the bleeding edge of this technology curve.
While impressive technically, this remains a technology demonstration rather than a product announcement. The real challenge will be transitioning from proof-of-concept to commercial deployment in hyperscale environments. The market impact depends on how quickly Marvell can productize this technology and whether major cloud providers and AI infrastructure developers adopt it for their next-generation architectures.
This PCIe-over-optics demonstration addresses a critical bottleneck in current AI compute infrastructure. The 10-meter optical connection may seem modest, but it represents a paradigm shift in how AI compute elements can be physically arranged in data centers.
Traditional PCIe electrical connections impose strict distance limitations, forcing tightly packed server configurations that create thermal and power distribution challenges. By enabling PCIe Gen 6 (which operates at 64 GT/s) to function reliably over optical fiber, Marvell opens possibilities for more distributed AI compute architectures while maintaining the performance benefits of direct PCIe connectivity.
The collaboration with TeraHop leveraging OSFP-XD active optical cables and retimed riser cards shows a complete ecosystem approach rather than just component development. This suggests the technology could move toward commercial readiness faster than typical early-stage demonstrations.
For hyperscalers building massive AI training clusters, this technology could allow more optimal physical distribution of GPUs, CPUs, memory pools (via CXL), storage, and networking components. This flexibility potentially addresses power delivery, cooling, and rack density constraints that currently limit AI infrastructure scaling.
While technically innovative, the market impact will ultimately depend on cost structure, reliability at scale, and whether the distance extension creates enough architectural advantages to justify adoption over traditional configurations. The demonstration is significant, but real-world deployment remains the true test.
Protocol-level PCIe Gen 6 Over 10m Optical Cable and PCIe Gen 7 SerDes Over Optics in Collaboration with TeraHop for AI Server Scale Up
As AI workloads drive exponential data growth, PCIe connectivity must evolve to support higher bandwidth and longer reach. The Marvell®
Marvell and TeraHop will demonstrate the industry's first successful transmission of PCIe Gen 6 signals between the root complex and endpoint across 10 meters of TeraHop OSFP-XD active optical cable using the Alaska P PCIe Gen 6 retimer integrated into a TeraHop-developed PCIe Gen 6 retimed riser card. By retiming and converting PCIe Gen 6 electrical signals into optical data, this solution ensures reliable high-speed connectivity between AI accelerators, CPUs, CXL-pooled memory, SSDs, and NICs, unlocking new possibilities for AI-driven data centers.
Driven by an ever-increasing demand for AI, the industry is expecting the PCIe Gen 7 standard to be finalized this year. The companies will also demonstrate PCIe Gen 7 SerDes running at 128 GT/s transmitting signals through the TeraHop linear-drive pluggable optical (LPO) module providing a migration path to standard-based low-latency and high-performance connectivity solution.
"As a leader in high-speed optical interconnects, TeraHop has established a long-standing collaboration with Marvell that continues to drive industry adoption of cutting-edge, high-speed connectivity solutions," said Rang-Chen Yu, Vice President of Marketing, TeraHop. "This breakthrough demonstration of PCIe Gen 6 over optics highlights the potential of optical interconnects in AI and hyperscale infrastructure."
"Marvell continues to lead the industry with the first end-to-end PCIe Gen 6 over optics solution, delivering the critical interconnect technology needed to scale up AI infrastructure," said Xi Wang, vice president and general manager, Connectivity Business Unit at Marvell. "With our strong leadership in PAM technology, generational expertise in PCIe progression, and custom accelerated infrastructure silicon, we enable hyperscalers to optimize their AI architectures for maximum performance, efficiency, and scalability."
About Marvell
To deliver the data infrastructure technology that connects the world, we're building solutions on the most powerful foundation: our partnerships with our customers. Trusted by the world's leading technology companies for over 25 years, we move, store, process and secure the world's data with semiconductor solutions designed for our customers' current needs and future ambitions. Through a process of deep collaboration and transparency, we're ultimately changing the way tomorrow's enterprise, cloud, automotive, and carrier architectures transform—for the better.
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