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Enfabrica
Pre-revenue NIC-meets-switch (ACF) silicon in funded AI-lab trials; BlueField alternative
HQ US
Recent Business Signals
Funding & valuation history
Sep 1, 2025 · funding-research
NVIDIA acquired a license for Enfabrica's technology and recruited CEO Rochan Sankar and several team members, with total NVIDIA investment and acquisition costs exceeding $900M.
Sep 1, 2025 · funding-research
NVIDIA acquired a technology license from Enfabrica and recruited CEO Rochan Sankar along with several employees, representing over $900 million in total investment and recruitment spend.
Aug 1, 2025 · funding-research
Nvidia acquired a license to Enfabrica's ACF-S technology along with CEO Rochan Sankar and multiple employees for a total spend of over $900 million.
Jun 1, 2025 · funding-research
Nvidia paid over $900 million to hire Enfabrica CEO Rochan Sankar and several employees and to license Enfabrica's technology.
Nov 19, 2024 · funding-research
Enfabrica raised $115 million in a Series C round led by Spark Capital, with new investors including Arm, Cisco Investments, Maverick Silicon, Samsung Catalyst Fund, and VentureTech Alliance, at a post-money valuation of approximately $591.69 million.
Nov 19, 2024 · funding-research
Enfabrica raised $115 million in a Series C round led by Spark Capital at a $591.69 million post-money valuation, with participation from Arm Holdings, Cisco Investments, Samsung Catalyst Fund, and existing investors including Sutter Hill Ventures and Atreides Management.
Nov 19, 2024 · funding-research
Enfabrica closed a $115M Series C led by Spark Capital, with new investors including Arm Holdings, Cisco Investments, Maverick Silicon, Samsung Catalyst Fund, and VentureTech Alliance, at a post-money valuation of approximately $591.69M.
Nov 19, 2024 · funding-research
Enfabrica raised a $115M Series C led by Spark Capital at a $591.69M post-money valuation, with new strategic investors including Arm, Cisco Investments, Maverick Silicon, Samsung Catalyst Fund, and VentureTech Alliance.
Strategic Position
What they do best
Collapsing NIC and high-radix switch into one Ethernet ACF chip, evidenced by simultaneous Ethernet ASIC RTL (c7b41411), 224G PAM4 SerDes (5c8050de) and RoCEv2 (98947cf3) hires.
Their bet
Principal Systems Architect req on 2026-04-28 (3f8cfd4c) plus the RoCEv2 staff hire signal a bet that Ultra-Ethernet GPU scale-out displaces NVIDIA BlueField/InfiniBand at AI-lab scale.
Top risk
Zero business signals in 180d while running first-silicon bring-up: if the funded AI-lab trials produce no public design win by H2 2026, the 5-req silicon burn outpaces external validation.
Compared to peers
Direct competitor
Cornelis Networks
Cornelis ships InfiniBand-class fabric with live DOE/national-lab deployments today; Enfabrica is pre-revenue Ethernet ACF NIC still in trials.
Substitute
Ayar Labs
Ayar attacks the same GPU-interconnect bottleneck via co-packaged optical scale-up I/O rather than Enfabrica's Ethernet scale-out SuperNIC silicon.
Why someone would join
- 1.Five senior+ engineering reqs opened Feb–May 2026 (Principal SerDes 2026-02-20 5c8050de, Systems Architect 2026-04-28 3f8cfd4c, SuperNIC board 2026-05-07 a5b199ec) — classic first-silicon bring-up staffing.
- 2.Pre-revenue with funded trials at major AI labs: joining now means owning the 112G/224G PAM4 SerDes and RoCEv2 stack that decides whether the NVIDIA BlueField alternative actually ships.
Recent Hiring (60 days)
- PCB design1
- signal integrity1
- high-speed board bring-up1