Now sampling industry’s lowest power
PCIe 6.x and CXL 3.x Retimers
Read more AI Accelerator Baseboard
Deliver high-performance, robust PCIe link connectivity with optimized thermal efficiency in Universal Baseboard (UBB) designs
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Aries PCIe®/CXL® Smart DSP Retimers
Gold Standard PCIe® Retimer Portfolio
Field-tested and widely deployed at all major hyperscalers & AI platform providers
- Solves high-speed PCIe®/CXL® signal integrity challenges in AI and general purpose servers with reliable 3x reach extension
- Purpose-built for AI and cloud infrastructure delivering high performance, low power, and seamless interoperability
- Provides a smart connectivity backbone that is reliable, scalable and customizable for diverse cloud-scale deployments
- Comprehensive solution complete with software suite for advanced Link, Fleet & RAS telemetry & diagnostics
Aries 6 Highlights
Seamless upgrade from 2nd generation Aries 5 utilizing industry standard footprints
Lowest Power
PCIe 6.X Retimer
Optimizes cloud infrastructure TCO & simplifies system design
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 AI & Cloud Providers Use the Aries Retimer Portfolio
Enhanced portfolio with years of learnings from cloud-scale deployments
Robustness
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Enhanced Signal Integrity
Proven track record of solving high-speed PCIe/CXL signal integrity challenges with reliable 3x reach extension
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Optimized Thermal Efficiency
Low power Retimers with integrated heat spreader simplify platform thermal design and cooling while reducing infrastructure TCO
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Rigorous Interop Testing
System testing with major hosts and 50+ endpoints in our Cloud-Scale Interop Lab minimizes interoperation risk and accelerates time-to-market
Ease-of-use
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Simple Board Design
Small package footprint with integrated AC coupling caps and flexible clocking modes simplify routing and reduce solution size
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Comprehensive Retimer Portfolio
Multiple packages (8/16 lane), protocols (PCIe/CXL) and form factors (ICs/Smart Cable Modules/boards) for diverse AI & cloud
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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
Fleet Management
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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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Deep Diagnostics
Firmware-driven link health monitoring to alert BMC of any possible link performance issues
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In-field Upgrade
COSMOS software upgrades enable seamless deployment of new features into existing infrastructure in the field
Use Cases
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Read more AI Server Head Node
Deliver high-performance, robust PCIe link connectivity with optimized thermal efficiency for CPU root complex server boards that connect to GPU baseboards…
Read more Modular Infrastructure
Accelerate general purpose server deployments with high performance, robust PCIe connectivity solutions in modular infrastructure based on industry standard…
Videos
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.x 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 Unlock PCIe® Performance for Storage Applications: FMS 2023
Learn how to unlock peak performance in a storage application with Aries Smart DSP Retimers and Supermicro’s storage-optimized X13 BigTwin server.
Read more Interop Testing with 4th Gen AMD EPYC Processors
See how Aries Smart DSP Retimers with a 4th Gen AMD EPYC™ Processor unlocks the potential of multi-accelerator GPU servers, powering popular AI serv…
Evaluation Kits
| Evaluation Kit | Image | Documents | Description | Max PCIe Gen | PCIe Lanes | Pack Quantity | Ordering | Production Status |
|---|---|---|---|---|---|---|---|---|
| Equinox 6 PCIe® 6.x Riser Card |  | https://www.asteralabs.com/wp-content/uploads/2024/03/2402_Astera_Labs-Aries_Equinox_6_Retimer_CEM_AIC-Product_Brief.pdf | Aries 6 Smart Retimer CEM-CEM Add-in-Card | PCIe 6.x | x 16 | 1 | Contact Us, https://www.asteralabs.com/contact-us/ | Sampling |
| Solstice 6 PCIe 6.x Riser Card |  | https://www.asteralabs.com/wp-content/uploads/2024/03/2402_Astera_Labs-Aries_Solstice_6_Retimer_MCIO_AIC-Product_Brief.pdf | Aries 6 Smart Retimer CEM-MCIO Add-in-Card | PCIe 6.x | x 16 | 1 | Contact Us, https://www.asteralabs.com/contact-us/ | Sampling |
| Equinox 5 PCIe® 5.0 Riser Card |  | https://www.asteralabs.com/wp-content/uploads/2020/11/Astera_Labs_Eclipse_Equinox_Product_Brief.pdf | Aries 5 Smart Retimer CEM-CEM Add-in-Card | PCIe 5.0 | x 16 | 1 | Contact Us, https://www.asteralabs.com/contact-us/ | Production |
| COMET-REVA |  | https://www.asteralabs.com/wp-content/uploads/2020/08/Astera_Labs_COMET_Product_Brief.pdf | Astera Labs USB-to-I2C Communication Module | 1 | Contact Us, https://www.asteralabs.com/contact-us/ | Production |