# Enfabrica

> Enfabrica is a Silicon Valley chip startup building the networking and memory plumbing that lets tens of thousands of GPUs behave like one giant computer. Its Accelerated Compute Fabric SuperNIC (ACF-S) moves data at 3.2 terabits per second, and its EMFASYS memory fabric lets AI clusters borrow cheap DDR5 DRAM over Ethernet instead of buying more GPUs for capacity. Founded in 2019 by ex-Broadcom and Google networking engineers, the company raised roughly $290M before Nvidia paid over $900M in September 2025 to license its technology and hire CEO Rochan Sankar and much of his team.

- **Founded:** 2019
- **Headquarters:** Mountain View, California, United States
- **Founders:** Rochan Sankar (Co-founder, President & CEO), Shrijeet Mukherjee (Co-founder & Chief Development Officer)
- **Team size:** ~40-50 employees at the core company (pre-Nvidia deal)
- **Products:** ACF-S SuperNIC (Millennium), EMFASYS (Elastic Memory Fabric System)
- **Notable:** Launched the world's fastest GPU network interface controller chip - the 3.2Tbps ACF-S SuperNIC - at Supercomputing 2024., Introduced EMFASYS, the industry's first Ethernet-based AI memory fabric system, in 2025., Raised roughly $290M from investors including Nvidia, Arm, Cisco, Samsung and Spark Capital.

## Products & services

- **ACF-S SuperNIC (Millennium)** — A 3.2 Terabit/sec Accelerated Compute Fabric SuperNIC chip delivering multi-port 800GbE connectivity to GPU servers, with roughly 4x the bandwidth and multipath resiliency of any other GPU-attached NIC, plus customer-programmable transport and up to 32-port traffic spraying.
- **EMFASYS (Elastic Memory Fabric System)** — The first commercially available Ethernet-based AI memory fabric, pairing RDMA over Ethernet with CXL-based DDR5 memory. It connects up to 144 CXL memory lanes to 400/800GbE ports, exposing up to 18TB of shared DDR5 DRAM per node to offload GPU/HBM memory for LLM inference.

## Achievements

- Launched the world's fastest GPU network interface controller chip - the 3.2Tbps ACF-S SuperNIC - at Supercomputing 2024.
- Introduced EMFASYS, the industry's first Ethernet-based AI memory fabric system, in 2025.
- Raised roughly $290M from investors including Nvidia, Arm, Cisco, Samsung and Spark Capital.
- Attracted a $900M+ technology-licensing-and-talent deal from Nvidia in September 2025.
- Opened an R&D hub in India in February 2025.

## Latest updates

- **2025-09** — Nvidia agreed to pay more than $900M in cash and stock to license Enfabrica's technology and hire CEO Rochan Sankar and key team members; Enfabrica remains a standalone company.
- **2025-07** — Enfabrica unveiled EMFASYS, the industry's first Ethernet-based AI memory fabric system for superscaling LLM inference.
- **2025-02** — Enfabrica opened an R&D hub in India to drive AI networking innovation.
- **2024-11** — Announced general availability of the 3.2Tbps ACF-S SuperNIC and closed a $115M Series C led by Spark Capital.

## Links

- Website: https://enfabrica.net
- LinkedIn: https://www.linkedin.com/company/enfabricacorporation/
- Twitter/X: https://x.com/enfabrica_

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Profile page: https://yespress.io/enfabrica
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Last updated: 2026-07-12