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

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