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Chips · Aug 01, 2026, 12:36 AM · 5 sources

Eliyan hits $1B on $145M Series C for AI interconnect bottleneck

<cite index="42-2">Eliyan Corporation announced it closed a $145 million Series C at a $1 billion valuation, with Seligman Ventures leading and new strategic investors Cisco Investments and Lumentum joining existing backers</cite>. <cite index="42-3">Eliyan's Die-to-Die, Chip-to-Chip, and Rack-to-Rack chiplet interconnect technologies address the increasingly complex connectivity demands of next-generation AI systems, targeting growing interconnect bandwidth, memory capacity, and power efficiency as constraints on system performance</cite>.

<cite index="46-1,46-4">Eliyan's chiplet technology solves the AI data center bottleneck that leaves GPU utilization stuck at 30 to 40%, a problem worth billions to the industry</cite>. <cite index="42-4">The company's expansion into optical interconnect complements existing electrical interconnect strengths as it supports the industry transition toward increasingly heterogeneous, co-packaged, and bandwidth-intensive compute fabrics</cite>. <cite index="50-4">Recent product launch: On July 24, 2026, Eliyan introduced NuLink-XD, a 224G PAM4 SerDes built on TSMC's 3nm process targeting chip-to-chip and chip-to-module links, cutting power by up to 40%</cite>.

<cite index="44-5">The company expects revenue to grow from low millions in 2025 to hundreds of millions by end of 2027, with initial chiplet product shipments expected to begin this year</cite>. For architecture teams: <cite index="48-2,48-3">Eliyan licenses NuLink PHY and NuGear technologies to chipmakers and semiconductor companies, operating in a competitive but consolidating interconnect market as Marvell acquired Celestial AI for $2.35 billion</cite>. The interconnect bottleneck is now widely recognized as the limiting factor for full GPU utilization at rack and cluster scales.

Sources

Everything this brief rests on
  1. 01 Primary source globenewswire.com
  2. 02 GlobeNewswire: Eliyan Series C globenewswire.com “Eliyan Corporation, a leader in foundational connectivity technologies enabling next-generation AI compute, memory, and networking systems, today announced it has completed its Series C with a total of $145 million at a $1 billion valuation.”
  3. 03 Tech Startups: GPU utilization constraint techstartups.com “By targeting one of AI's fastest-growing bottlenecks, Eliyan is betting that the next wave of AI innovation will depend as much on moving data efficiently as on building faster processors.”
  4. 04 SiliconANGLE: NuLink PHYs and NuGear siliconangle.com “They include its NuLink PHYs and NuGear chiplets, which provide die-to-die, chip-to-chip and rack-to-rack connectivity that can drastically improve both the bandwidth capacity and power efficiency of AI clusters.”
  5. 05 Best Startup US: Revenue trajectory beststartup.us “Eliyan expects revenue to grow from low millions in 2025 to hundreds of millions of dollars by end of 2027, with initial chiplet product shipments beginning in 2026.”