AI Data Center PartsSearch
Home / Companies / Astera Labs

What Astera Labs makes for data centers

public · HQ San Jose, US · asteralabs.com

Astera Labs designs fabless connectivity silicon for AI and cloud infrastructure: Aries PCIe/CXL retimers and smart cable modules, Scorpio fabric switches for scale-up PCIe/CXL connectivity, and CXL memory controllers, managed fleet-wide by its COSMOS software. It sells chips and modules to server and rack-scale system builders.

Listing
US exchanges (NYSE/Nasdaq): ALAB· 304 USD +1.11% · mkt cap 52.8B USD0
Snapshot 2026-08-28T02:17:39Z — nightly, not real-time. · Chart on TradingView ↗
Exposure
4 parts across 2 layers
No disclosed data-center revenue share on file.

Parts, by layer

Layer 2 — Memory & storage

PartRoleConfidenceCompetitorsNote
CXL controllers & memory expandersmanufacturerinferredMarvell, Microchip, Micron, Montage, Rambus, SK Hynix
PCIe/CXL switches & retimersmanufacturerinferredBroadcom, Marvell, Microchip, XconnAries; Scorpio

Layer 3 — Networking & interconnect

PartRoleConfidenceCompetitorsNote
Scale-up fabricmanufacturerinferredAlphabet (Google), AMD, Broadcom, Nvidia, UALink consortiumScorpio X
Retimers inside AECsmanufacturerinferredBroadcom, Marvell, Spectra7

Disclosed customers

Customer%MetricPeriodFiling
Customer B10%receivables2026-06-3010-Q
Customer D10%revenue2026-06-3010-Q
Customer B10%receivables2026-03-3110-Q
Customer C10%revenue2026-03-3110-Q
Customer C10%receivables2025-12-3110-K
one customer86%revenue2025-12-3110-K

Verification: enriched, last verified 2026-08-27. Sources: www.asteralabs.com · www.asteralabs.comMarkdown · JSON