NVIDIA ConnectX-6 Ethernet Adapter Cards for OCP Spec 3.0 User Manual


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About This Manual

This is the User Guide for NVIDIA® ConnectX®-6 adapter cards for Open Compute Project Spec 3.0. These adapters' connectivity provides the highest performing low latency and most flexible interconnect solution for PCI Express Gen 3.0/4.0 servers used in Enterprise Data Centers and High-Performance Computing environments.

Legacy (EOL) Ordering Part Number



Marketing Description



ConnectX®-6 EN adapter card, 200GbE for OCP 3.0, with host management, Dual-port QSFP56, PCIe Gen 3.0/4.0 x16, Internal lock

Intended Audience

This manual is intended for the installer and user of these cards. The manual assumes basic familiarity with Ethernet network and architecture specifications.

Technical Support

Customers who purchased NVIDIA products directly from NVIDIA are invited to contact us through the following methods:

Customers who purchased NVIDIA Global Support Services, please see your contract for details regarding Technical Support.Customers who purchased NVIDIA products through an NVIDIA-approved reseller should first seek assistance through their reseller.
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User Manual describing the various components of the NVIDIA ConnectX® NATIVE ESXi stack. See VMware® ESXi Documentation.

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NVIDIA firmware update and query utility used to update the firmware. See NVIDIA Firmware Utility (mlxup) Documentation.

NVIDIA Firmware Tools (MFT) User Manual

User Manual describing the set of MFT firmware management tools for a single node. See MFT User Manual.

IEEE Std 802.3 Specification

IEEE Ethernet Specifications

PCI Express Specifications

Industry Standard PCI Express Base and Card Electromechanical Specifications.

Open Compute Project 3.0 Specification


LinkX Interconnect Solutions

LinkX Ethernet cables and transceivers are designed to maximize the performance of High-Performance Computing networks, requiring high-bandwidth, low-latency connections between compute nodes and switch nodes. NVIDIA offers one of the industry’s broadest portfolio of 40GbE, 56GbE, 100GbE, 200GbE and 400GbE cables, including Direct Attach Copper cables (DACs), copper splitter cables, Active Optical Cables (AOCs) and transceivers in a wide range of lengths from 0.5m to 10km. In addition to meeting Ethernet standards, NVIDIA tests every product in an end-to-end environment ensuring a Bit Error Rate of less than 1E-15 . Read more at LinkX Cables and Transceivers.

Document Conventions

When discussing memory sizes, MB and MBytes are used in this document to mean size in MegaBytes. The use of Mb or Mbits (small b) indicates the size in MegaBits. In this document, PCIe is used to mean PCI Express.

© Copyright 2023, NVIDIA. Last updated on Sep 1, 2022.