Now sampling industry’s first purpose-built PCIe Gearbox
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Aries PCIe® Smart Gearbox
Industry’s first PCIe® 6 Gearbox Portfolio
Intelligently bridges the performance gap between cutting-edge PCIe 6 and established PCIe 5 ecosystems for maximum data throughput
- Solves bandwidth bottlenecks that arise when integrating the latest PCIe 6 with existing PCIe 5 infrastructure
- Optimizes PCIe lane utilization and reach-extension for demanding AI workloads and cloud-scale deployments
- Ensures a reliable, scalable, and customizable interconnect solution for diverse cloud environments, maximizing I/O bandwidth
- Comprehensive solution, complete with COSMOS software suite for advanced Link, Fleet & RAS telemetry & diagnostics
Gearbox Highlights
Bridging multi-generational PCIe ecosystem
Increase effective CPU or GPU lanes by
When attaching PCIe 6 devices with PCIe 5 devices, reducing TCO
Robust Signal
Integrity
64GT/s PAM4 SerDes and DSP customized for demanding AI server channels
Enhanced Diagnostics
& Telemetry
Extended capabilities through in-band and out-of-band management
Why Use Aries Gearbox
Enhanced portfolio with years of learnings from cloud-scale deployments
Maximize Throughput
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Flexible Protocol
Supports a comprehensive range of PCIe rates (64 GT/s to 2.5 GT/s) ensuring full utilization of all available PCIe lanes in mixed-generation setups.
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Seamless Protocol Translation
Enables efficient 1-to-1 communication between the latest PCIe 6 (Flit-Mode) and older PCIe 5 (Non-Flit-Mode) devices, ensuring maximum data transfer rates are maintained across the interconnected ecosystem.
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Extended Reach
Advanced long-reach SerDes maintains signal integrity and performance across high-loss channels, maximizing bandwidth over extended distances.
Quick Deploy
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Purpose-built Design
Small package footprint with flexible clocking modes simplify routing and reduce solution size
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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
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SW-defined Architecture
COSMOS with Aries software-defined architecture adjusts protocol and state transitions to support open and diverse PCIe ecosystem
Increase Uptime
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Deep Diagnostics
Advanced Error Reporting (AER) and FW driven link health monitoring to alert system of any possible link performance issues
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Robust Error Handling
Integrates Host and Downstream Port Containment (DPC) and hardware interrupt generation for uncorrectable errors, ensuring link stability and data integrity
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In-field Upgrade
COSMOS software upgrades enable seamless deployment of new features into existing infrastructure in the field
Use Cases
Read more Resources
Read more First Look Demo: Aries 6 Smart Gearbox
See the industry’s first PCIe Gearbox bridge PCIe 6 devices with existing PCIe 5 ecosystem.
Read more Introducing Aries 6 Smart DSP Retimers: First Look Demo
This live demo of third generation Aries Smart DSP Retimers shows how to extend robust, low-power PCIe® 6.x/CXL® 3.x reach in complex AI topologies.
Read more PCIe 6 Technology Demo with Aries 6
See a live demo of PCIe® 6.x technology with Aries 6 – the third generation of our Aries Smart DSP Retimer family.
Read more The Long & Short of AI: Building Scalable Data Centers in the PCIe 6 Era
Learn how Aries Retimers and Smart Cable Modules overcome signal integrity challenges for AI infrastructure.
Ordering Information
| Orderable Part Number | Documents | From (Lanes @PCIe Gen) | To (Lanes @PCIe Gen) | Total Lanes | Ordering | Status |
|---|---|---|---|---|---|---|
| PG60161LR | Portfolio Brief | 8L @ PCIe 6 8L @ PCIe 5 8L @ PCIe 4 | 16L @ PCIe 5 16L @ PCIe 4 16L @ PCIe 3 | 24 | Contact Us | Sampling |
| PG60321LR | Portfolio Brief | 8+8L @ PCIe 6 8+8L @ PCIe 5 8+8L @ PCIe 4 | 16+16L @ PCIe 5 16+16L @ PCIe 4 16+16L @ PCIe 3 | 48 | Contact Us | Sampling |