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NVIDIA ConnectX-5 Ethernet Adapter Cards for OCP Spec 2.0 User Manual

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About This Manual

This User Manual describes NVIDIA® ConnectX®-5 and ConnectX®-5 Ex Ethernet adapter cards for Open Compute Project (OCP), Spec 2.0. It provides details as to the interfaces of the board, specifications, required software and firmware for operating the board, and relevant documentation.

EOL'd (End of Life) Ordering Part Numbers

The table below provides the ordering part numbers (OPN) for ConnectX-5 Ex and ConnectX-5 Ethernet adapter cards for OCP Spec 2.0.

IC in Use
NVIDIA SKU
Legacy OPN
Marketing Description
ConnectX®-5
900-9X513-0053-SN1
MCX542A-ACAN
ConnectX®-5 EN network interface card for OCP2.0, Type 1, with host management, 25GbE dual-port SFP28, PCIe3.0 x16, Halogen-free, no bracket
900-9X513-0053-SN2
MCX542B-ACAN
ConnectX®-5 EN network interface card for OCP2.0, Type 1, with host management, 25GbE dual-port SFP28, PCIe3.0 x8, Halogen-free, no bracket
900-9X513-0053-SN0
MCX542B-ACUN
ConnectX®-5 EN network interface card for OCP2.0, Type 1, with host management, 25GbE dual-port SFP28, PCIe3.0 x8, UEFI Enabled (x86/ARM), Halogen free, no bracket
900-9X568-0015-SN0
MCX545B-GCUN
ConnectX®-5 EN network interface card for OCP2.0, Type 1, with host management,50GbE,single-port QSFP28,PCIe3.0x16,UEFI Enabled, no bracket
900-9X568-0016-SN4
MCX545B-CCUN
ConnectX®-5 EN network interface card for OCP2.0, Type 1, with host management, 100GbE, single-port QSFP28, PCIe3.0 x16, UEFI Enabled, no bracket
900-9X568-0016-SN1
MCX545A-CCAN
ConnectX®-5 EN network interface card for OCP2.0, Type 2, with host management, 100GbE, single-port QSFP28, PCIe3.0 x16, no bracket
900-9X568-0016-SN2
MCX545A-CCUN
ConnectX®-5 EN network interface card for OCP2.0, Type 2, with host management, 100GbE, single-port QSFP28, PCIe3.0 x16, UEFI Enabled, no bracket
ConnectX®-5 Ex
900-9X569-0054-SN0 
MCX546A-BCAN
ConnectX®-5 Ex EN network interface card for OCP2.0, Type 2, 40GbE dual-port QSFP28, PCIe3.0 x16, no bracket
900-9X569-0056-SN1
MCX546A-CDAN
ConnectX®-5 Ex network interface card for OCP2.0, Type 2, with host management, 100GbE dual-port QSFP28, PCIe4.0 x16, no bracket

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.

Related Documentation

MLNX_OFED for Linux User Manual and Release Notes
User Manual describing OFED features, performance, band diagnostic, tools content, and configuration. See MLNX_OFED for Linux Documentation.
WinOF-2 for Windows User Manual and Release Notes
User Manual describing WinOF-2 features, performance, Ethernet diagnostic, tools content, and configuration. See WinOF-2 for Windows Documentation.
NVIDIA VMware for Ethernet User Manual
User Manual and release notes describing the various components of the NVIDIA ConnectX® NATIVE ESXi stack. See VMware® ESXi Drivers Documentation.
NVIDIA Firmware Utility (mlxup) User Manual and Release Notes
NVIDIA firmware update and query utility used to update the firmware. Refer to 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. Refer to PCI-SIG Specifications
Open Compute Project 2.0 Specification
https://www.opencompute.org/
LinkX Interconnect Solutions
NVIDIA 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 portfolios of 40Gb/s, 56Gb/s and 100Gb/s 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® Ethernet Cables and Transceivers.

Document Conventions

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

© Copyright 2023, NVIDIA. Last updated on May 22, 2023.