Scorpio Smart Fabric Switches

Fabric switches for the AI Era – Now shipping in pre-production

Download Portfolio Brief

Purpose-built portfolio for deploying cloud-scale AI platforms at unprecedented pace and scale

  • Improve energy efficiency with maximum performance per watt fabric solutions
  • Increase GPU utilization with predictable, secure and high-performance data flows
  • Maximize server uptime with COSMOS delivering unprecedented data center observability
  • Reduce time to market with flexible software-defined architecture and seamless interoperability

Why Use Scorpio Smart Fabric Switches?

Maximize Utilization

  • High Performance Data Ingest

    With PCIe 6 support and AI-optimized architecture, Scorpio P-Series delivers maximum predictable performance to increase GPU utilization

  • High Performance Scale-up

    With a software-defined architecture, Scorpio X-Series delivers protocol and performance optimization for increased data transfer efficiency

  • Performance Monitoring

    Real-time telemetry data provides valuable insights to optimize performance and improve utilization

Ease-of-Use

  • Purpose-built Board Design

    Small package size with integrated power supply decoupling to enable easier routing

  • Future-proof

    Mix current and next-generation devices on the same platform

  • Seamless Software Integration

    Common COSMOS APIs enable Scorpio to integrate seamlessly into existing infrastructure management solutions that use the widely-deployed Aries Retimers

Increase Uptime

  • Fleet Management

    COSMOS software with deep telemetry and diagnostics for link and device health monitoring enables unprecedented data center observability

  • Quick Debug

    Built-in protocol analyzer with link state history and timestamps, full non-destructive eye scan for RX Lane margining, self-test features to minimize link downtime and accelerate fault isolation

  • Rigorous Interop Testing

    System testing with diverse ecosystem of PCIe hosts and endpoints in our Cloud-Scale Interop Lab minimizes interoperation risk for improved reliability

P-Series and X-Series

Application-specific products built from the ground up for AI servers and AI clusters

Architected for mixed traffic AI head node connectivity (GPU-to-CPU/NIC/SSD)

  • Industry’s first PCIe 6 fabric switch
  • Predictable and high-performance GPU-to-CPU/NIC/SSD data flows
  • High bandwidth and low latency peer-to-peer for GPU data ingest
  • Interoperability with diverse ecosystem of PCIe hosts and endpoints

Architected to deliver highest back-end bandwidth for AI scale-up (GPU-to-GPU)

  • Software-defined architecture enables flexibility for diverse AI accelerators
  • Platform-specific customization for homogeneous GPU scale-up fabrics
  • Protocol and performance optimization for increased data transfer efficiency
  • Expanded reliability and telemetry features for maximum uptime

Use Cases

Resources

Ordering Information

SeriesPart #PCIeLanesPackage Size [mm]Status
P-SeriesPF60641L6.x6429×29Sampling
P-SeriesPF50641L5.x6429×29Sampling
P-SeriesX6064-1M04Xami MCIO-MCIO Evaluation KitSampling
X-SeriesCustomer SpecificContact Us

How Your Hyperscale Data Center Can Overcome the Challenges of Next-Gen AI Infrastructure with Scorpio Smart Fabric Switches

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Combating Noisy Neighbors with Scorpio P-Series Fabric Switches

AI server designs are being impacted by an issue that becomes increasingly worse as GPUs scale to meet demands of AI workloads. The issue: noisy neighbors! Scorpio P-Series Fabric Switches – the industry’s first PCIe 6 fabric switch – are architected for mixed traffic AI head-node traffic connectivity (GPU-to-CPU/NIC/SSD). Let’s take a closer look at the problem of noisy neighbors…

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Advancing CXL with Interoperable Solutions

In AI and cloud infrastructure, seamless connectivity and scalable memory expansion solutions are key to unlocking performance at scale. As AI workloads grow more demanding, the need for robust, standards-based and interoperable solutions is greater than ever. The CXL Consortium Compliance Program was established to validate end-products against the CXL Specification, ensuring they meet the…

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Seven Key Innovations Shaping AI Connectivity Showcased at DesignCon 2025

Astera Labs will be at DesignCon 2025, taking place January 28-30 at the Santa Clara Convention Center, to showcase our latest chip, board, and system design innovations for AI and cloud infrastructure.Join us at Booth #755 to see our Intelligent Connectivity Platform of PCIe®, Ethernet, and CXL® connectivity solutions in action and learn how we are unleashing the full potential of…

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Astera Labs Optimizes Connectivity for NVIDIA Blackwell-Based MGX Platforms at Scale

Seamless Scorpio Smart Fabric Switch integration with NVIDIA MGX™ platform delivers PCIe® 6-ready modular designs for rapid deployment across a range of AI serversSANTA CLARA, CA, U.S. – March 18, 2025 – Astera Labs, Inc. (Nasdaq: ALAB), a global leader in semiconductor-based connectivity solutions for AI and cloud infrastructure, today announced its Scorpio Smart Fabric Switches…

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Astera Labs Expands Cloud-Scale Interop Lab Leadership to Propel Next-Gen PCIe 6.x Ecosystem

Comprehensive Cloud-Scale Interop Lab testing of Scorpio Smart Fabric Switches advances PCIe 6.x ecosystem enablement, fast-tracking customer platform designs, development, and time-to-marketSANTA CLARA, CA, U.S. – March 13, 2025 – Astera Labs, Inc. (Nasdaq: ALAB), a global leader in semiconductor-based connectivity solutions for AI and cloud infrastructure, today announced the expansion…

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Astera Labs Appoints Dr. Craig Barratt to Board of Directors

Dr. Barratt brings leadership experience in scaling high-growth public and private technology companiesSANTA CLARA, CA, U.S. – March 3, 2025 – Astera Labs, Inc. (Nasdaq: ALAB), a global leader in semiconductor-based connectivity solutions for AI and cloud infrastructure, today announced the appointment of Dr. Craig Barratt to its Board of Directors. Dr. Barratt is a seasoned technology…

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Astera Labs to Participate in the Morgan Stanley Technology, Media & Telecom Conference

SANTA CLARA, CA, U.S. – February 25, 2025 – Astera Labs (Nasdaq: ALAB), a global leader in semiconductor-based connectivity solutions for AI and cloud infrastructure, today announced that it will participate in the Morgan Stanley Technology, Media & Telecom Conference on March 4, 2025. Astera Labs’ presentation is scheduled for 4:05 pm PT. A webcast of the session will be made available…

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End-to-End PCIe 6 Interop with NVIDIA Blackwell

In partnership with major hosts, GPU, network and storage ecosystem partners, we’re showing end-to-end interoperability with our Scorpio P-Series Fabric Switch, Aries Smart DSP Retimer, NVIDIA Blackwell GPU, 5th Gen Intel® Xeon® CPU, NVIDIA ConnectX-7 NIC, and a Micron PCIe 6 SSD for ecosystem enablement.

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Optimizing NVIDIA MGX Platforms with Scorpio

At NVIDIA GTC 2025, Astera Labs is showcasing its collaboration with NVIDIA and Wistron. This is the first of many solutions using our Scorpio Smart Fabric Switches to deliver leading performance through a modular design that scales across different configurations for PCIe 6-ready NVIDIA Blackwell-based MGX platforms.For this demo, utilizing the PCIe 6-ready NVIDIA Blackwell-based MGX platform…

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How We Test – Scorpio

Scorpio Smart Fabric Switches undergo interoperability and stress testing with a wide range of PCIe 6.x exercisers, analyzers, GPUs, CPUs, NICs, SSDs, and Switches across multiple PCIe generations and topologies.This rigorous testing enables customers to design with confidence, minimize interoperation risk, and reduce overall development time and costs.

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