COMPANIES · AI CHIPS & NETWORKING

Astera Labs

Provides semiconductor and software connectivity products for rack-scale AI systems.

EnablerAI chips & networking
What it does

Provides semiconductor and software connectivity products for rack-scale AI systems.

Why it matters

Its connectivity chips help solve the data-movement bottlenecks that emerge when thousands of AI accelerators are wired together in a single rack-scale system.

How it makes money

Sells connectivity semiconductors and software used in AI server racks.

Geography

United States

AI stack position

AI chips and networking. The companies designing the processors, accelerators and networking equipment that do the actual computing behind AI, including GPUs like NVIDIA's, and the high-speed connections that link thousands of them together.

Connections (8)

Every connection below is tied to a readable source, date, classification and statement of its limits. A company source establishes what that company stated; it does not necessarily provide independent confirmation.

Current relationships (4)

Astera Labs co-develops CXL memory technology with Microsoft
Co-develops withCurrent
Astera Labs and Microsoft jointly announced Astera Labs' Leo CXL Smart Memory Controllers integrated into Azure M-series virtual machines, with both companies' executives describing engineering collaboration from early architecture through platform integration; the offering is in private preview.

Source: 2025-11-18 · reviewed 2026-09-22

Evidence: Primary-source statement · Reported operating

Limits: Azure M-series with Leo CXL controllers was in private preview as of this release, not general availability; does not establish deal value or exclusivity.

Astera Labs' Leo CXL Smart Memory Controllers on Microsoft Azure M-series Virtual Machines Overcome the Memory Wall ↗
Astera Labs co-develops UALink connectivity with AMD
Co-develops withCurrent
Astera Labs' October 2025 announcement quotes an AMD director of AI Technology and Ecosystems stating the companies' collaboration on UALink connectivity ensures joint customers can deploy AMD Instinct GPUs at scale in open rack architectures.

Source: 2025-10-13 · reviewed 2026-09-22

Evidence: Primary-source statement · Reported operating

Limits: Confirms a UALink engineering collaboration; does not establish shipping volumes or which specific rack deployments use both companies' products.

Astera Labs Showcases Rack-Scale AI Ecosystem Momentum at OCP Global Summit ↗
Astera Labs expanding connectivity collaboration to advance NVIDIA's NVLink Fusion ecosystem NVIDIA
Co-develops withCurrent
Astera Labs expanded its collaboration with NVIDIA to advance the NVLink Fusion ecosystem and to optimize its connectivity chips for NVIDIA Blackwell-based MGX server platforms.

Source: 2025-05-19 · reviewed 2026-09-20

Evidence: Primary-source statement · Ongoing, expanding technical collaboration

Limits: Describes a technical/product collaboration announced by Astera Labs; does not disclose commercial terms, revenue share, or exclusivity.

Astera Labs Expands Collaboration with NVIDIA to Advance NVLink Fusion Ecosystem ↗
Astera Labs supplying CXL smart memory controllers used in Azure M-series VMs Microsoft
SuppliesCurrent
Astera Labs' Leo CXL Smart Memory Controllers are used in Microsoft Azure M-series virtual machines to expand usable memory capacity for memory-intensive cloud workloads.

Source: Source undated · reviewed 2026-09-20

Evidence: Primary-source statement · Current, in-market Azure VM offering

Limits: Confirms Astera Labs' controllers are used in a specific Azure VM family; does not disclose deal value, purchase volume, or exclusivity.

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

Dated or announced (2)

Amazon Web Services invested in Astera Labs
Invested inDated / announced
Astera Labs' Q2 FY2026 earnings release lists among its strategic relationships 'our warrant agreement with Amazon,' confirming Amazon holds a warrant tied to the companies' partnership.

Source: 2026-08-04 · reviewed 2026-09-22

Evidence: Primary-source statement · Announced

Limits: The earnings release does not disclose the warrant's share count, strike price, vesting terms or dollar value.

Astera Labs Reports Second Quarter 2026 Financial Results ↗
BlackRock invested in Astera Labs
Invested inDated / announced
A Schedule 13G/A filed July 27, 2026 shows BlackRock, Inc. holding a 7.4% passive stake in Astera Labs (12,667,232 shares), with sole voting power over 11,998,990 of those shares.

Source: 2026-07-27 · reviewed 2026-09-22

Evidence: Primary-source statement · Announced

Limits: Explicitly a passive investment disclosure -- the filing states the shares were not acquired to influence control of the company; this is portfolio ownership, not a strategic or commercial partnership.

BlackRock reports 7.4% stake in Astera Labs | ALAB SEC Filing - Schedule 13G/A ↗

Comparisons (2)

Astera Labs competes with Broadcom
Competes withComparison only
Industry analysis of Astera Labs' IPO identifies Broadcom and Marvell as the dominant incumbents in datacenter connectivity (PCIe retimers, CXL controllers), holding more than 80% combined revenue share, against which Astera Labs competes as a specialized entrant.

Source: 2024-03-17 · reviewed 2026-09-22

Evidence: Analytical comparison · Ongoing market competition

Limits: Reflects a 2024 market-structure analysis at the time of Astera Labs' IPO; does not reflect any later shift in relative market share.

Astera Labs IPO - The Next Connectivity Superhero or Steamrolled By Competition? ↗
Astera Labs competes with Marvell Technology
Competes withComparison only
The same analysis notes Marvell previously made a rejected acquisition offer for Astera Labs and lists Marvell among the dominant incumbents (with Broadcom) in the PCIe retimer and CXL connectivity market Astera Labs competes in.

Source: 2024-03-17 · reviewed 2026-09-22

Evidence: Analytical comparison · Ongoing market competition

Limits: Reflects a 2024 market-structure analysis; the reported rejected acquisition offer is not independently confirmed by either company in this source.

Astera Labs IPO - The Next Connectivity Superhero or Steamrolled By Competition? ↗
Evidence for this profile

Astera Labs investor relations ↗
Reviewed

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Inclusion in this database is not an endorsement of a company or its securities. Nothing here is a recommendation to buy or sell anything, and none of it is individualized investment advice. See the disclosures. Data: AI Map v3.22, released .