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About This Manual

This User Manual describes NVIDIA® ConnectX®-6 InfiniBand/VPI adapter cards. It provides details as to the interfaces of the board, specifications, required software and firmware for operating the board, and relevant documentation.

Ordering Part Numbers

The table below provides the ordering part numbers (OPN) for the available ConnectX-6 InfiniBand/VPI adapter cards.

OPNMarketing Description
MCX654106A-ECATConnectX®-6 VPI adapter card, 100Gb/s (HDR100, EDR InfiniBand and 100GbE), dual-port QSFP56, Socket Direct 2x PCIe 3.0/4.0 x16, tall bracket
MCX653105A-EFATConnectX®-6 VPI adapter card, 100Gb/s (HDR100, EDR IB and 100GbE), single-port QSFP56, PCIe3.0/4.0 Socket Direct 2x8 in a row, tall bracket
MCX653106A-EFATConnectX®-6 VPI adapter card, 100Gb/s (HDR100, EDR IBand100GbE), dual-port QSFP56, PCIe3.0/4.0 Socket Direct 2x8 in a row, tall bracket

MCX651105A-EDAT

ConnectX®-6 VPI adapter card, 100Gb/s (HDR100, EDR IB and 100GbE, single-port QSFP56, PCIe4.0 x8, tall bracket

MCX653105A-ECATConnectX®-6 VPI adapter card, 100Gb/s (HDR100, EDR IB and 100GbE), single-port QSFP56, PCIe3.0/4.0 x16, tall bracket
MCX653106A-ECATConnectX®-6 VPI adapter card, 100Gb/s (HDR100, EDR IB and 100GbE), dual-port QSFP56, PCIe3.0/4.0 x16, tall bracket
MCX653105A-HDATConnectX®-6 VPI adapter card, HDR IB (200Gb/s) and 200GbE, single-port QSFP56, PCIe3.0/4.0 x16, tall bracket
MCX653106A-HDATConnectX®-6 VPI adapter card, HDR IB (200Gb/s) and 200GbE, dual-port QSFP56, PCIe3.0/4.0 x16, tall bracket
MCX654105A-HCATConnectX®-6 VPI adapter card, HDR IB (200Gb/s) and 200GbE, single-port QSFP56, Socket Direct 2x PCIe3.0/4.0x16, tall bracket
MCX654106A-HCATConnectX®-6 VPI adapter card, HDR IB (200Gb/s) and 200GbE, dual-port QSFP56, Socket Direct 2x PCIe3.0/4.0x16, tall bracket
MCX653105A-HDALConnectX®-6 VPI adapter card, HDR IB (200Gb/s) and 200GbE, single-port QSFP56, PCIe3.0/4.0 x16, cold plate for liquid-cooled Intel® Server System D50TNP platforms, tall bracket, ROHS R6
MCX653106A-HDALConnectX®-6 VPI adapter card, HDR IB (200Gb/s) and 200GbE, dual-port QSFP56, PCIe3.0/4.0 x16, cold plate for liquid-cooled Intel® Server System D50TNP platforms, tall bracket, ROHS R6

MCX683105AN-HDAT

ConnectX®-6 DE adapter card, HDR IB (200Gb/s), single-port QSFP, PCIe4.0 x16, no crypto, tall bracket


Intended Audience

This manual is intended for the installer and user of these cards. 

The manual assumes basic familiarity with InfiniBand and 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 M-1 Global Support Services, please see your contract for details regarding Technical Support.
Customers who purchased NVIDIA products through a NVIDIA approved reseller should first seek assistance through their reseller.

Related Documentation

MLNX_OFED for Linux User Manual and Release NotesUser 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 NotesUser Manual describing WinOF-2 features, performance, Ethernet diagnostic, tools content, and configuration. See WinOF-2 for Windows Documentation.
NVIDIA VMware for Ethernet User ManualUser 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 NotesNVIDIA 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.

InfiniBand Architecture Specification Release 1.2.1, Vol 2 - Release 1.3InfiniBand Specifications
IEEE Std 802.3 SpecificationIEEE Ethernet Specifications 
PCI Express SpecificationsIndustry Standard PCI Express Base and Card Electromechanical Specifications. Refer to PCI-SIG Specifications. 
LinkX Interconnect Solutions

LinkX InfiniBand 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 QDR/FDR10 (40Gb/s), FDR (56Gb/s), EDR/HDR100 (100Gb/s), HDR (200Gb/s) and NDR (400Gb/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 IBTA standards, NVIDIA tests every product in an end-to-end environment ensuring a Bit Error Rate of less than 1E-15Read 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.

Revision History

A list of the changes made to this document are provided in Document Revision History.