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Cornelis Networks
Omni-Path CN5000 fabric vendor pivoting to Ultra Ethernet CN6000 vs NVIDIA InfiniBand
HQ US
Recent Business Signals
Funding & valuation history
Nov 18, 2025 · funding-research
Cornelis Networks filed notice of an exempt offering to raise $45 million in new equity investment.
Mar 12, 2024 · funding-research
Cornelis Networks raised $25 million in a funding event with an initial offering cap of $45 million.
Mar 12, 2024 · funding-research
Cornelis Networks raised $25 million on March 12, 2024 as part of an exempt securities offering with a $45 million total offering size.
Strategic Position
What they do best
Shipping a production InfiniBand-class HPC fabric (CN5000, signal f8fcdfab) at 400 Gbps/500,000+ endpoints without NVIDIA Mellanox lock-in, anchored in DOE national-lab deployments.
Their bet
That standardizing on Ultra Ethernet for the 800 Gbps CN6000 in 2026 (signals 73119780, c3ea56a7) lets it ride the Ethernet-AI tide instead of dying as a proprietary niche.
Top risk
CN6000's 2026 target slips or samples after NVIDIA Spectrum-X/Quantum and UEC-native merchant silicon ship, leaving Cornelis selling proprietary CN5000 into an Ethernet-standardized market — verifiable by year-end 2026.
Compared to peers
Direct competitor
HPE
HPE Slingshot already owns the marquee DOE exascale wins (El Capitan, Frontier) Cornelis targets, with shipping Ethernet-based HPC fabric versus Cornelis's still-proprietary CN5000.
Substitute
Meta Platforms
As a UEC driving member building its own Ethernet-for-AI fabric, Meta represents hyperscalers self-supplying the interconnect Cornelis hopes to sell them as a merchant vendor.
Why someone would join
- 1.CN5000 shipped May 2025 at 400 Gbps/port and 500,000+ endpoints (signal f8fcdfab) — a real fielded fabric with DOE national-lab deployments, not a pre-revenue concept like peer Enfabrica.
- 2.2026 hiring is concentrated on the CN6000 pivot: 2 RDMA/libfabric+kernel and 2 ASIC/SerDes roles (Feb–Apr 2026) building the 800 Gbps UEC-aligned chip targeted for 2026 (signals 73119780, c3ea56a7).
Recent Hiring (60 days)
No specialty signals in the last 60 days.