Aries 7 PCIe Smart Cable ModulesAries 7 PCIe Smart Cable Modules

Aries PCIe® Smart Cable Modules

Cable Solutions for AI at Scale

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Industry’s First PCIe 7 Smart Cable Modules

  • Extend PCIe 7 signal reach across AI racks using Active Electrical Cables (AECs), Active Copper Cables (ACCs), and Internal Cable Modules (ICMs)
  • Built on the 4th generation of Aries Smart Signal Conditioners, proven across millions of deployments in hyperscale data centers
  • Qualified with 10+ cable vendors allowing flexible supply chain optionality
  • Support multiple form factors and configurations to accommodate diverse topologies
  • COSMOS software suite for cable performance optimization and fleet management

Nothing Out of Reach

Purpose-Built for Multi-Rack AI Clusters

Extend High-Speed, Low-Latency PCIe 7 Links

Robust Signal
Integrity

For rack-to-rack links with flexible bifurcation

Extended Cable
Reach by

Compared to passive cable alternatives

Enhanced Diagnostics
& Telemetry

Cosmos Platform Logo – Astera Labs Developer Ecosystem for CXL Products

Advanced link intelligence within and beyond the rack

Aries PCIe Smart Cable Module Family

Flexible High-Speed Copper Connectivity at Rack Scale

Active Electrical Cables (AECs)

  • Extend 128 GT/s PAM4 signal reach up to 6 meters
  • High-performance with industry-leading Aries Smart Retimer for PCIe 7
  • Enable robust, reliable scale-up connectivity across multi-rack AI systems

Active Copper Cables (ACCs)

  • Extend 128 GT/s PAM4 signal reach up to 3 meters
  • Power-optimized with Aries Smart Redriver for PCIe 7
  • Increase reliability with real-time link health monitoring and advanced diagnostics

Internal Cable Modules (ICMs)

  • Extend within-the-box reach with PCIe 7 retimer-based Smart Cable Modules
  • Deploy on as-needed basis as signal integrity margins tighten
  • Maximize design flexibility with placement options that fit diverse system architectures

Why Choose Aries Smart Cable Modules?

Improve Reliability and Up-Time With Easy-to-Design PCIe Cabling

High-Performance

  • Next-Gen Data Rates

    Up to 128 GT/s supported with automatic link equalization

  • Power Efficiency

    Advanced CMOS process and Low-Power Mode minimize thermal density and rack power

  • Low Latency

    Enable low-latency connectivity across diverse topologies, maximizing system utilization and performance

Ease of Deployment

  • Thin Cable Gauges

    Offer thinner-gauge cables in various lengths for flexible bend radius

  • Resilient Supply Chain

    Support multiple cable vendors, enabling seamless second source optionality

  • Interop Testing

    Minimize deployment risk and accelerate time to market through system testing with major hosts and multiple endpoints in our Cloud-Scale Interop Lab

Fleet Management

  • Quick Debug

    Built-in protocol analyzer with link-state timestamps, cable detection, and self-test features for fault isolation and maximized uptime

  • Deep Diagnostics

    Firmware-driven cable health monitoring to alert BMC of any potential link performance issues

  • In-Field Updates

    Bring new capabilities to deployed cable solutions with COSMOS software updates

Use Cases

Scale-Up Clusters

Deliver high data throughput with multi-rack PCIe connectivity for large AI clusters required to address the growing complexity and size of AI models.
CXL Memory Disaggregation Diagram – Leo Smart Memory Controller Use Case

Memory Disaggregation

Expand, pool and share memory between multiple servers to increase memory bandwidth and capacity while providing the option to reclaim stranded or under-utilized…

Resources

Ordering Information

AEC Solutions

Part NumberPCIe GenLanesStatus
PM20-5xxPCIe 5VariousProduction
PM30-6xxPCIe 6Various Production
PM40-7xxPCIe 7 Various Pre-Production

ACC Solutions

Part NumberPCIe GenLanesStatus
PC40-7xxPCIe 7VariousPre-Production

Lighting the Way: Demonstrated Progress on Our Optical Roadmap to NPO and CPO

Earlier this year, Astera Labs outlined how we’re responding to the demand for low-power, ultra-low-latency, high-density, high-speed links as AI outgrows the rack. We demonstrated our progress toward this goal with a high-radix linear pluggable optics (LPO) demonstration at Computex 2026.Our flagship event of the year, the OCP Global Summit, has now wrapped up, and it’s the right… Read more

One High-Radix Switch, 89% More Tokens/s: Scorpio X-Series Outperforms Conventional Switches in 8-GPU Clusters

AI infrastructure has entered the era of the “AI factory.” Inference workloads dominate AI compute and hyperscalers are increasingly focused on profitable tokens/s generation. Inference accounts for roughly two-thirds of all AI compute in 2026, up from about a third in 2023, and the trend line only points up.1The AI fabric has a real impact on tokens per second, and the switch that connects… Read more

Compute-Agnostic Rack Design for the AI Factory: Introducing the Orion Rack-Scale Reference Architecture

GPU Flexibility Is Vital for Neoclouds and Enterprise AI in a Competitive Inference MarketThe AI industry landscape is shifting as new players spin up inference compute to meet a ceaseless demand. JLL reports that neoclouds make up 11% of data center capacity demand in 2026,1 and Gartner projects that number to rise to 20% by 2030.2Neocloud providers are betting that low-cost, inference-driven… Read more

Astera Labs Unveils Orion: A Compute-Agnostic Rack-Scale Architecture for Token-Efficient AI Factories

Modular, production-grade, reference designs for neoclouds and enterprises to quickly scale AI inference capacity up and across with up to 160 accelerators per podNews Highlights:Bring Your Own GPU/CPU: Modular Orion reference architecture is designed to give customers the flexibility to choose accelerators and CPUs based on availability, lead time, cost, target applications, or… Read more

Astera Labs Announces Aries 7: Industry’s First PCIe 7 Signal Conditioning Portfolio Across Copper and Optical Interconnects 

Purpose-built retimers, redrivers, cable modules, optical drivers, and optical transimpedance amplifiers (TIAs) to support diverse PCIe 7 connectivity in AI systemsNews highlights:Most comprehensive PCIe signal conditioning portfolio: Building on Aries’ field-tested deployments, Aries Smart Signal Conditioning family is now the industry’s first PCIe 7 portfolio to span copper… Read more

Astera Labs Bolsters Leo Smart Memory Controller Family for Agentic AI and General-Purpose Cloud Workloads

As high-value AI applications drive explosive memory-footprint growth amid tight supply, new connectivity architectures enhance optimal memory utilization and reuseHighlightsNew Leo X-Series optimizes token economics: Paired with Astera Labs’ Scorpio X-Series Fabric Switches, Leo X-Series enables fabric-attached memory for long-context, KV-cache-intensive workloads. Platform-specific… Read more

Astera Labs Reports Second Quarter 2026 Financial Results

Record quarterly revenue of $392.4 million, up 27% QoQ and up 104% year-over-yearQ2 revenue strength reflects diversified growth across AI fabrics and signal conditioningQ3 revenue inflection to be driven by Scorpio™ X-Series 320-lane fabric switch production ramp SAN JOSE, CA, U.S. – August 4, 2026 – Astera Labs, Inc. (Nasdaq: ALAB), a leader in semiconductor-based connectivity… Read more

To the Stars: The Astera Labs Growth Journey

Watch COO Sanjay Gajendra recount the astronomic origins of the Astera Labs name and trace our growth from start-up to scale across our expanding product families.From a single PCIe Smart Retimer to a full stack of standard and custom connectivity products, we’re just getting started on the journey to deliver AI Your Way. Read more

Delivering AI Your Way

Today, there is no single blueprint for AI. AI infrastructure is evolving rapidly with technologies optimized for different workloads, performance requirements, and deployment models.Watch the leaders of Astera Labs’ Compute Connectivity Group and Signal Connectivity Group outline how our interconnect technology helps organizations build AI architecture for any protocol, any CPU, any GPU,… Read more

First Look: Orion Rack-Scale Reference Architecture

As AI inference scales rapidly, neoclouds and enterprises need infrastructure that delivers predictable performance and can quickly adapt to the evolving market. They must secure and deploy sufficient compute capacity while navigating increasingly complex infrastructure and supply-chain challenges.AVP, Product Marketing and Strategy for Platform Solutions Mike Hendricks reveals our solution:… Read more