Scorpio Smart Fabric Switches

Fabric switches for the AI Era

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.x6429×29Pre-Production
P-SeriesPF50641L5.x6429×29Pre-Production
P-SeriesX6064-1M04Xami MCIO-MCIO Evaluation Kitt#colspan##colspan#Pre-Production
X-SeriesCustomer Specific#colspan##colspan##colspan#Contact Us

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

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Unlocking AI Performance: The Role of Scale-Up Interconnects in Accelerated Computing

The rapid advancement of AI—fueled by increasingly complex training and inference workloads and its widespread adoption across industries—is the primary driver of computing demand. The rise of reasoning-based, multi-step AI inference workloads further accelerates this trend. To meet the needs of these compute-intensive applications, such as agentic and autonomous AI, high-performance…

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The Next Generation of AI Server Design with Scorpio Smart Fabric Switches

As AI accelerators evolve, computing platforms are increasingly integrating multiple PCIe® generations, creating new challenges in platform design. In addition, hyperscalers and system integrators are deploying platforms at unprecedented speed, further driving the need to design for modularity and scale.Astera Labs’ P-Series Scorpio Smart Fabric Switches are purpose-built to overcome…

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Establishing an optimized scale-up ecosystem with UALink: A fireside chat with Astera Labs

As AI models continue to grow, data centers are requiring increasing amounts of compute and memory to efficiently execute training and inferencing.The UALink Consortium represents a dynamic group of industry leaders united in our goal to foster innovation and establish an open, interoperable standard for high-performance computing connections in scale-up AI environments.The UALink…

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Astera Labs Expands Collaboration with NVIDIA to Advance NVLink Fusion Ecosystem

NVLink connectivity solutions will further bolster Astera Labs’ Intelligent Connectivity Platform, expanding options for hyperscalers to deploy high-performance, scale-up networks – SANTA CLARA, CA, U.S. – May 19, 2025 – Astera Labs, Inc. (Nasdaq: ALAB), a global leader in semiconductor-based connectivity solutions for AI and cloud infrastructure, today announced it is collaborating…

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Astera Labs Announces Financial Results for the First Quarter of Fiscal Year 2025

Record quarterly revenue of $159.4 million, up 13% QoQ and 144% YoYStrong demand for PCIe scale-up and Ethernet scale-out in custom ASIC platformsPCIe 6 connectivity portfolio poised to ramp in leading GPU-based rack-scale systems starting in Q2 – SANTA CLARA, CA, U.S. – May 6, 2025 – Astera Labs, Inc. (Nasdaq: ALAB), a global leader in semiconductor-based connectivity…

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Astera Labs to Share Vision for Expanding Opportunities in AI Infrastructure with UALink

With broad industry support from 100+ companies in the UALink Consortium and the ratification of the UALink 200G 1.0 specification, UALink is emerging as the essential open standard for scale-up AI infrastructure – SANTA CLARA, CA, U.S. – May 5, 2025 – Astera Labs, Inc. (Nasdaq: ALAB), a global leader in semiconductor-based connectivity solutions for AI and cloud infrastructure,…

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Astera Labs Ramps Production of PCIe 6 Connectivity Portfolio Supercharging Advanced AI and Cloud Infrastructure Deployments

New gearbox solution broadens the industry’s most widely deployed PCIe offerings across multiple, diverse AI platforms with leading hyperscale and cloud customers – SANTA CLARA, CA, U.S. – May 1, 2025 – Astera Labs, Inc. (Nasdaq: ALAB), a global leader in semiconductor-based connectivity solutions for AI and cloud infrastructure, today announced its purpose-built PCIe® 6 connectivity…

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First Look Demo: Aries 6 Smart Gearbox

See the industry’s first purpose-built PCIe gearbox solution that intelligently bridges the performance gap between the latest PCIe 6 devices and existing PCIe 5 ecosystem.Learn how Aries 6 Gearbox solves the challenge of degraded-performance in mixed-generation systems, ensuring full utilization of high-speed lanes and accelerating the deployment of next-generation AI platforms while…

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NVIDIA GTC 2025: End-to-End PCIe 6 Interop

At NVIDIA GTC 2025, Astera Labs showcased PCIe 6 end-to-end connectivity with our Scorpio P-Series Fabric Switch interconnected to Micron’s PCIe 6 SSD, an NVIDIA Blackwell GPU through our Aries 6 Smart Retimer, and an NVIDIA CX7 NIC card, with an Intel CPU connected on the upstream side. The demonstration shows how our Scorpio P-Series Fabric Switch can support mixed mode traffic, while…

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NVIDIA GTC 2025: Hyperscaler-Inspired Scale-Out Rack Architecture

At NVIDIA GTC 2025, Astera Labs showcased how hyperscalers can gain smart connectivity and optionality for NVIDIA rack-scale Blackwell deployments. We showcased modular architecture with a Scorpio IO Switch Board with two NICs connected via the Aries Retimer Mezzanine Board to the GB200. In this set-up, we show how the third-party NICs can provide maximum bandwidth to saturate the Blackwell…

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