COSMOS Developer Kit

Core libraries and scripts for device control, telemetry, and system integration

Download Portfolio Brief

Rack Level Management with COSMOS

  • Identify performance bottlenecks before they impact workloads with comprehensive link telemetry and protocol analysis
  • Diagnose and resolve connectivity issues faster during hardware bring-up, validation, or production deployment
  • Streamline fleet-wide management with robust version control, change tracking, and governance capabilities

COSMOS Developer Kit Highlights

Test, debug, and manage connectivity infrastructure at scale

Validate Link Robustness

For maximum performance

Accelerate Hardware Design and Bring-up

For rapid deployment

Deploy One Security Model

Across multiple devices

COSMOS Features and Benefits

Platform Integration

  • Device Configuration

    Enables automated setup, real-time parameter tuning, and consistent provisioning across diverse hardware platforms.

  • Electrical Testing

    Automate signal validation, monitor voltage and current metrics in real time, and accelerate fault detection across complex hardware systems.

  • Deep Diagnostics

    Quickly and easily identify data center bottlenecks that directly impact AI workload performance.

Rack Deployment

  • System Configuration

    Streamlines system configuration by providing centralized control, automated setup, and dynamic reconfiguration.

  • Protocol Testing

    Automates validation workflows, capturing detailed trace data, and enabling rapid debugging across complex interface standards.

  • Stress Testing

    Inject errors, log events, and correlate issues, and pinpoint them down to the lane.

Fleet Management

  • Lifecycle Management

    Manages firmware revisions across fleets, ensures fallback to trusted versions, and maintains a full audit history.

  • Event Logging

    Capture timestamped records of key events, anomalies, and threshold crossings- enabling traceability, root cause analysis, and proactive issue resolution.

  • Predictive Analytics

    Detect patterns early to prevent failures and optimize performance.

Why Customers Use COSMOS Developer Kit

Challenges

  • Understanding protocol anomalies at scale
  • Slow and cumbersome data analysis
  • Decentralized device configuration

Solution: COSMOS Developer Kit

  • Quickly identify data center bottlenecks
  • Efficiently analyze metrics and logs in real-time
  • Centralized lifecycle management capabilities

Resources

Developer Kits

Developer KitSupported System Validation BoardsTarget PlatformRequestStatus
COSMOS Developer Kit – Aries – x86Aries Evaluation Kitsx86Contact UsAvailable
COSMOS Developer Kit – Aries – ARMAries Evaluation KitsARMContact UsAvailable
COSMOS Developer Kit – Scorpio – x86Scorpio Evaluation Kits x86Contact UsAvailable
COSMOS Developer Kit – Scorpio – ARMScorpio Evaluation Kits ARMContact UsAvailable

The 400G-Per-Lane Inflection Point: Where Copper and Optical Meet in AI Infrastructure

If you’ve been following AI infrastructure development, you’ve likely heard some version of this prediction: “Copper is hitting its limits. The transition to optical is inevitable. It’s happening now.”There’s truth in that statement—but the reality playing out in data centers is more nuanced than a simple technology replacement cycle. Having spent my career in connectivity, working… Read more

Astera Labs 2025 Milestones – A Breakthrough Year of Expansion, Innovation & Ecosystem Leadership

Every year-end brings a season of reflection and introspection from the year gone by, and we have the opportunity to take the learnings that came from it, framing them into a canvas for the year to come. Against a global background that often created back-and-forth macroeconomic uncertainties, Astera Labs steadily and surely forged its path forward. If I could characterize the year with one… Read more

COSMOS Tools: Streamline, Automate, and Accelerate Your Hardware Workflows

Every hour of delayed semiconductor hardware and system validation can cost thousands in lost productivity, missed deadlines, and cascading supply chain disruptions. Yet across the industry, from chip design to production, teams still rely on fragmented tools, manual diagnostics, and custom scripts just to bring up a device or flash firmware. Hardware engineers struggle with relentless signal… Read more

Astera Labs Expands Connectivity Portfolio with Custom Solutions

NVLink Fusion-based custom solutions will be offered to support next-generation heterogenous AI infrastructureSAN JOSE, Calif.—Dec. 2, 2025—Astera Labs, Inc. (Nasdaq: ALAB), a leader in semiconductor-based connectivity solutions for rack-scale AI infrastructure, today announced plans to deliver custom connectivity solutions, a new offering designed to address the increasing complexity… Read more

Astera Labs’ Leo CXL Smart Memory Controllers on Microsoft Azure M-series Virtual Machines Overcome the Memory Wall

SAN JOSE, Calif.—Nov. 18, 2025—Astera Labs, Inc. (Nasdaq: ALAB), a leader in semiconductor-based connectivity solutions for rack-scale AI infrastructure, today announced its Leo CXL Smart Memory Controllers enable customers to evaluate Compute Express Link® (CXL®) memory expansion capabilities for their specific workloads in the Azure M-series virtual machines (VMs) preview.Microsoft’s… Read more

Astera Labs Announces Fourth Quarter 2025 Financial Conference Participation

SAN JOSE, CA, U.S. – Nov. 13, 2025 – Astera Labs (Nasdaq: ALAB), a leader in semiconductor-based connectivity solutions for rack-scale AI infrastructure, today announced that it will participate in the following upcoming financial conferences during the fourth quarter 2025:2025 RBC Capital Markets Global Technology, Internet, Media & Telecommunications Conference on Nov. 19th… Read more

Astera Labs Announces Financial Results for the Third Quarter of Fiscal Year 2025

Record quarterly revenue of $230.6 million, up 20% QoQ and 104% YoYStrong Q3 revenue growth driven by new AI platform ramps featuring multiple product familiesScorpio fabric switch design wins expand to several platforms at multiple hyperscaler customersSAN JOSE, CA, U.S. – November 4, 2025 – Astera Labs, Inc. (Nasdaq: ALAB), a leader in semiconductor-based connectivity solutions… Read more

COSMOS Explorer: Link Management Tools Demo

Astera Labs’ COSMOS Explorer is a powerful tool for link monitoring, management, and diagnostics. It offers a rich set of system configuration options for you to optimize performance with critical signal quality telemetry such as bit error rate, eye metrics, and link event logs. COSMOS Explorer allows you to modify link settings and get customized diagnostics in one GUI for all of our products.In… Read more

COSMOS and OpenBMC Demo at OCP 2025

Through collaboration with ASPEED Technology and Insyde Software, Astera Labs has extended COSMOS features into production AI systems to standardize management, monitoring and diagnostics of retimers and scale-up switches with OpenBMC and DMTF Redfish APIs. COSMOS now offers:Standard APIs for configuration, monitoring and lifecycle controlActionable insights with granular visibility into… Read more

CXL Memory Innovation at OCP 2025

Rack-scale memory innovation is unlocked with CXL. At OCP Global Summit 2025, Astera Labs demonstrated how Leo CXL Smart Memory Controllers can eliminate AI infrastructure bottlenecks with regards to memory capacity and bandwidth.3x concurrent LLM instances at higher AI throughput3x increased throughput w/ CXL at higher user count3x lower latency with CXLHigher GPU utilization on average with… Read more