# ASTERA LABS, INC\.: Purpose\-built Connectivity Solutions for Rack\-Scale AI

> Astera Labs: Purpose\-Built Connectivity for Rack\-Scale AI

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## Pages
- [About Astera Labs](https://www.asteralabs.com/about/)
- [Contact Us](https://www.asteralabs.com/contact-us/)
- [Terms of use](https://www.asteralabs.com/terms-of-use/)
- [Privacy policy](https://www.asteralabs.com/privacy-policy/)
- [Scorpio Smart Fabric Switch](https://www.asteralabs.com/products/scorpio-smart-fabric-switch/)
- [Aries PCIe® Smart Gearbox](https://www.asteralabs.com/products/aries-pcie-smart-gearboxes/)
- [Aries PCIe®/CXL® Smart Cable Modules ](https://www.asteralabs.com/products/aries-smart-cable-modules/)
- [Astera Labs: Purpose\-Built Connectivity for Rack\-Scale AI](https://www.asteralabs.com/)
- [Leo CXL® Smart Memory Controllers ](https://www.asteralabs.com/products/leo-cxl-smart-memory-controllers/)
- [COSMOS](https://www.asteralabs.com/products/cosmos/)
- [AI Inferencing: Chatbot Services](https://www.asteralabs.com/products/leo-cxl-smart-memory-controllers/ai-inferencing-chatbot-services/)
- [AI Inferencing: Recommendation System](https://www.asteralabs.com/products/leo-cxl-smart-memory-controllers/ai-inferencing-recommendation-system/)
- [Aries Interop](https://www.asteralabs.com/interop/aries/)
- [Aries PCIe®/CXL® Smart DSP Retimers  ](https://www.asteralabs.com/products/pcie-cxl-smart-dsp-retimers/)
- [Awards \& Recognition](https://www.asteralabs.com/about/awards/)
- [Blog](https://www.asteralabs.com/resources/blog/)
- [Cloud\-Scale Interop Lab](https://www.asteralabs.com/interop/)
- [COSMOS Developer Kit](https://www.asteralabs.com/products/cosmos-dev-kit/)
- [Events](https://www.asteralabs.com/about/events/)
- [HPC: Computer Aided Engineering](https://www.asteralabs.com/products/leo-cxl-smart-memory-controllers/hpc-computer-aided-engineering/)
- [In\-Memory Databases: Business Intelligence \& Analytics](https://www.asteralabs.com/products/leo-cxl-smart-memory-controllers/in-memory-databases-business-intelligence-analytics/)
- [GTC2025](https://www.asteralabs.com/about/events/gtc2025/)
- [OCP2025](https://www.asteralabs.com/about/events/ocp2025/)

## Posts
- [PCI Express\<sup\>®\</sup\> Retimers vs\. Redrivers: An Eye\-Popping Difference](https://www.asteralabs.com/pci-express-retimers-vs-redrivers-an-eye-popping-difference/): A redriver amplifies a signal, whereas a retimer retransmits a fresh copy of the signal\. Retimers provide capabilities such as PCIe® protocol participation, lane\-to\-lane skew compensation, adaptive EQ, diagnostics features, etc\. Therefore, retimers particularly address the need for reach extension in PCIe 4\.0 \& PCIe 5\.0 systems, where increased number of PCIe slots, multiconnectors, and long physical topologies lead to signal integrity \(SI\) challenges\.
- [Advancing AI with AMD: Delivering Purpose\-built Connectivity for Scale\-up Architecture with UALink](https://www.asteralabs.com/advancing-ai-with-amd-delivering-purpose-built-connectivity-for-scale-up-architecture-with-ualink/)
- [Breaking the 100 GB/s Barrier: Astera Labs and Micron Demonstrate Production\-Ready PCIe 6 Storage Performance at FMS 2025](https://www.asteralabs.com/breaking-the-100-gb-s-barrier-astera-labs-and-micron-demonstrate-production-ready-pcie-6-storage-performance-at-fms-2025/)
- [Why Connectivity is the New Frontier of AI Infrastructure—and What NVLink Fusion Means for the Future](https://www.asteralabs.com/why-connectivity-is-the-new-frontier-of-ai-infrastructure-and-what-nvlink-fusion-means-for-the-future/)
- [What NVIDIA GTC 2026 Said About the Future of AI Connectivity](https://www.asteralabs.com/what-nvidia-gtc-2026-said-about-the-future-of-ai-connectivity/)

## Events
- [Computex 2026](https://www.asteralabs.com/events/computex-2026/)
- [ChipEx 2026](https://www.asteralabs.com/events/chipex-2026/)
- [PCI\-SIG DevCon 2026](https://www.asteralabs.com/events/pci-sig-devcon-2026/)
- [NVIDIA GTC 2026](https://www.asteralabs.com/events/nvidia-gtc-2026/)
- [ChipEx 2025](https://www.asteralabs.com/events/chipex-2025/)

## FAQs
- [Why is a Redriver not recommended for the PCIe 6\.x, PCIe 5\.0 and PCIe 4\.0 Specifications?](https://www.asteralabs.com/faqs/why-is-a-redriver-not-recommended-for-the-pcie-5-0-and-pcie-4-0-specifications/)
- [Why does PCIe 5\.0 architecture not support an embedded clock?](https://www.asteralabs.com/faqs/why-does-pcie-5-0-architecture-not-support-an-embedded-clock/)
- [What ultra\-low\-loss PCB material do you recommend for PCIe 5\.0 technology?](https://www.asteralabs.com/faqs/what-ultra-low-loss-pcb-material-do-you-recommend-for-pcie-5-0-technology/)
- [What kind of electrical signals support CXL?](https://www.asteralabs.com/faqs/what-kind-of-electrical-signals-support-cxl/)
- [What is the typical channel loss for a DAC cable?](https://www.asteralabs.com/faqs/what-is-the-typical-channel-loss-for-a-dac-cable/)

## Leadership
- [Lucas Moody](https://www.asteralabs.com/about/leadership/lucas-moody/)
- [Pravin Patel](https://www.asteralabs.com/about/leadership/pravin-patel/)
- [Nick Aberle](https://www.asteralabs.com/about/leadership/nick-aberle/)
- [Guy Azrad](https://www.asteralabs.com/about/leadership/guy-azrad/)
- [Desmond Lynch](https://www.asteralabs.com/about/leadership/desmond-lynch/)

## News
- [Astera Labs debuts Scorpio switches to power single\-hop AI scale\-up](https://www.asteralabs.com/news/astera-labs-debuts-scorpio-switches-to-power-single-hop-ai-scale-up/)
- [Astera Labs’ stock climbs as the company strives to make AI chips more powerful](https://www.asteralabs.com/news/astera-labs-stock-climbs-as-the-company-strives-to-make-ai-chips-more-powerful/)
- [Astera speaks softly and carries a big switch](https://www.asteralabs.com/news/astera-speaks-softly-and-carries-a-big-switch/)
- [Astera Labs Ships 320\-Lane Scorpio Fabric Switch for AI Scale\-Up Clusters](https://www.asteralabs.com/news/astera-labs-ships-320-lane-scorpio-fabric-switch-for-ai-scale-up-clusters/)
- [Astera Labs Scorpio 320\-Lane PCIe Switch Update](https://www.asteralabs.com/news/astera-labs-scorpio-320-lane-pcie-switch-update/)

## Products
- [Leo System Validation Boards](https://www.asteralabs.com/product-details/leo-system-validation-boards/)
- [Taurus System Validation Boards](https://www.asteralabs.com/product-details/taurus-system-validation-boards/)
- [COSMOS Developer Kit \- Scorpio](https://www.asteralabs.com/product-details/cosmos-dev-kit-scorpio/)
- [COSMOS Dev Kit – Aries](https://www.asteralabs.com/product-details/cosmos-dev-kit-aries/)
- [COSMOS Evaluation Kit \- Taurus](https://www.asteralabs.com/product-details/cosmos-evaluation-kit-taurus/)

## Solutions
- [Networking](https://www.asteralabs.com/solutions/networking/)
- [General Purpose Servers](https://www.asteralabs.com/solutions/general-purpose-servers/)
- [AI Servers and Clustering](https://www.asteralabs.com/solutions/ai-servers-and-clustering/)
- [AI Accelerator Baseboard](https://www.asteralabs.com/solutions/ai-servers-and-clustering/ai-accelerator-baseboard/): Deliver high\-performance, robust PCIe link connectivity with optimized thermal efficiency in Universal Baseboard \(UBB\) designs
- [Mixed\-Generation AI Server](https://www.asteralabs.com/solutions/ai-servers-and-clustering/mixed-generation-ai-server/)

## Videos
- [Interop Testing with CXL® 1\.1 Host CPUs \& DDR5 Memory](https://www.asteralabs.com/videos/leo-interop-bulletin-1/): Learn about interop testing with 64GB DDR5 RDIMMs from Micron, Samsung, and SK Hynix, each of which are tested with CXL® 1\.1\-capable CPUs from AMD and Intel\.
- [How We Test: Leo](https://www.asteralabs.com/videos/leo-how-we-test/): Learn how Astera Labs' comprehensive interoperability testing reduces design challenges to streamline development and accelerate time\-to\-market\. 
- [Scorpio X\-Series 320 Lane: Largest Open, Memory\-Semantic Fabric Switch](https://www.asteralabs.com/videos/scorpio-x-series-320-lane-largest-open-memory-semantic-fabric-switch/): Get your first look at the new Scorpio™ X\-Series 320\-Lane AI Fabric Switch\!
- [Scorpio P\-Series 32 to 320 Lane: Broadest Family of PCIe 6 Fabric Switches](https://www.asteralabs.com/videos/scorpio-p-series-32-to-320-lane-broadest-family-of-pcie-6-fabric-switches/): Learn more about the broadest family of PCIe 6 fabric switches\. 
- [Extending Reach of Scale\-out Networks for AI Clusters](https://www.asteralabs.com/videos/extending-reach-of-scale-out-networks-for-ai-clusters/): See how our Taurus Ethernet\-enabled AECs then extend reach up to 7m with full interoperability with NVIDIA Spectrum\-X for switch\-to\-switch and ConnectX\-8 for switch\-to\-NIC connectivity at 800G per link

## White Papers
- [Reinventing the Backplane: Why AI Demands an Active Approach](https://www.asteralabs.com/?white-paper=reinventing-the-backplane-why-ai-demands-an-active-approach): Discover how Active Cable Backplane technology is redefining copper connectivity for rack\-scale AI infrastructure—enabling higher density, extended reach, and lower power as systems scale beyond 72\+ accelerators\.
- [Migrating AI Server Designs to a Modular Scorpio Architecture](https://www.asteralabs.com/?white-paper=migrating-ai-server-designs-to-a-modular-scorpio-architecture): Dive into the challenges of modern AI server design and explore use case examples of how Scorpio P\-Series Fabric Switches overcome these obstacles\.
- [How Your Hyperscale Data Center Can Overcome the Challenges of Next\-Gen AI Infrastructure with Scorpio Smart Fabric Switches](https://www.asteralabs.com/?white-paper=how-your-hyperscale-data-center-can-overcome-the-challenges-of-next-gen-ai-infrastructure-with-scorpio-smart-fabric-switches): Learn how the Scorpio Smart Fabric Switch Portfolio optimizes AI dataflows with reliable connectivity and scalability, now ready for next\-gen deployments\.
- [Leo Software](https://www.asteralabs.com/?white-paper=leo-software): This application note provides an overview of the Leo firmware and software structure, operation, usage and configuration\. Interactions during the system boot sequence and CXL® link configuration are also covered\.
- [Leo Product Design Guide](https://www.asteralabs.com/?white-paper=leo-product-design-guide): This application notes describes how to complete a hardware product design using Leo CXL® Smart Memory Controllers\.

## Schema
- [Product](https://www.asteralabs.com/?schema=product)
- [Event](https://www.asteralabs.com/?schema=event)
- [FAQ Page](https://www.asteralabs.com/?schema=faqpage)
- [Movie](https://www.asteralabs.com/?schema=movie)
- [Person](https://www.asteralabs.com/?schema=person)

## Categories
- [Smart Fabric Switches](https://www.asteralabs.com/category/smart-fabric-switches/)
- [Memory Connectivity](https://www.asteralabs.com/category/memory-connectivity/)
- [Smart Retimers](https://www.asteralabs.com/category/smart-retimers/)
- [Smart Cable Modules](https://www.asteralabs.com/category/smart-cable-modules/)
- [Corporate](https://www.asteralabs.com/category/corporate/)

## Categories
- [PCIe® FAQ](https://www.asteralabs.com/faq_category/pcie-faq/)
- [Smart Retimer FAQ](https://www.asteralabs.com/faq_category/smart-retimer-faq/)
- [400G/800G Ethernet FAQ](https://www.asteralabs.com/faq_category/400g-800g-ethernet-faq/)
- [CXL® FAQ](https://www.asteralabs.com/faq_category/cxl-faq/)
- [Quality FAQ](https://www.asteralabs.com/faq_category/quality-faq/)

## News Types
- [Press Releases](https://www.asteralabs.com/news-type/press-releases/)
- [In the News](https://www.asteralabs.com/news-type/in-the-news/)
- [Industry News](https://www.asteralabs.com/news-type/industry-news/)

## Product Families
- [Aries PCIe/CXL Smart Retimers](https://www.asteralabs.com/family/aries/)
- [Leo CXL Memory Platform](https://www.asteralabs.com/family/leo/)
- [Scorpio Smart Fabric Switches](https://www.asteralabs.com/family/scorpio-smart-fabric-switches/)
- [Aries PCIe/CXL Smart Cable Modules](https://www.asteralabs.com/family/aries-scm/)
- [Taurus Ethernet Smart Cable Modules](https://www.asteralabs.com/family/taurus/)

## Product Solutions
- [GPUs \& AI Accelerators](https://www.asteralabs.com/use-cases/gpu-ai-accelerators/)
- [Server](https://www.asteralabs.com/use-cases/server/)
- [Storage](https://www.asteralabs.com/use-cases/storage/)
- [Memory](https://www.asteralabs.com/use-cases/memory/)
- [Memory Expansion](https://www.asteralabs.com/use-cases/memory-expansion/)

## Optional
- [Sitemap index](https://www.asteralabs.com/sitemap_index.xml)