image image image image image

On This Page

About This Manual

This User Manual describes NVIDIA® ConnectX®-6 Dx Ethernet 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 Dx Ethernet adapter cards.

ConfigurationNVIDIA SKULegacy OPNMarketing Description
25GbE Cards900-9X6AP-0073-ST0MCX623102AS-ADATConnectX-6 Dx EN adapter card, 25GbE, Dual-port SFP28, PCIe 4.0 x16Secure Boot, No Crypto, Tall Bracket 


25GbE with Active Cooling Cards

900-9X663-0073-SQ0

MCX621202AS-ADAT

ConnectX-6 Dx EN adapter card, 25GbE, with active cooling, Dual-port SFP28, PCIe 4.0 x8Secure Boot, No Crypto, Tall Bracket
900-9X663-0083-SQ0

MCX621202AC-ADAT

ConnectX-6 Dx EN adapter card, 25GbE, with active cooling, Dual-port SFP28, PCIe 4.0 x8, Crypto and Secure Boot, Tall Bracket
100GbE Cards900-9X6AG-0016-ST0MCX623105AN-CDATConnectX-6 Dx EN adapter card, 100GbE, Single-port QSFP56, PCIe 4.0 x16, No Crypto, Tall Bracket
900-9X6AG-0086-ST0 MCX623106AC-CDATConnectX-6 Dx EN adapter card, 100GbE, Dual-port QSFP56, PCIe 4.0 x16, Crypto and Secure Boot, Tall Bracket
900-9X6AG-0056-ST1 MCX623106AN-CDATConnectX-6 Dx EN adapter card, 100GbE, Dual-port QSFP56, PCIe 4.0 x16, No Crypto, Tall Bracket
900-9X6AG-0076-ST0MCX623106AS-CDATConnectX-6 Dx EN adapter card, 100GbE, Dual-port QSFP56, PCIe 4.0 x16, Secure Boot, No Crypto, Tall Bracket 
100GbE with PPS In/Out Cards900-9X6AK-0086-SQ0MCX623106TC-CDATConnectX-6 Dx EN adapter card, 100GbE, Dual-port QSFP56, Enhanced-SyncE & PTP, PPS In/Out, PCIe 4.0 x16, Crypto and Secure Boot, Tall Bracket 
900-9X6AK-0086-SQ1MCX623106GC-CDAT

ConnectX-6 Dx EN adapter card, 100GbE, Dual-port QSFP56, Enhanced-SyncE & PTP GM support and GNSS, PPS Out, PCIe 4.0 x16, Crypto and Secure Boot, Tall Bracket 

200GbE Cards900-9X6AG-0048-ST0MCX623105AC-VDATConnectX-6 Dx EN adapter card, 200GbE, Single-port QSFP56, PCIe 4.0 x16, Crypto and Secure Boot, Tall Bracket
900-9X6AG-0018-ST0MCX623105AN-VDATConnectX-6 Dx EN adapter card, 200GbE, Single-port QSFP56, PCIe 4.0 x16, No Crypto, Tall Bracket


Legacy (EOL) Ordering Part Numbers

Legacy OPNMarketing Description
MCX621102AN-ADATConnectX-6 Dx EN adapter card, 25GbEDual-port SFP28, PCIe 4.0 x8, No Crypto, Tall Bracket
MCX621102AC-ADATConnectX-6 Dx EN adapter card, 25GbE, Dual-port SFP28, PCIe 4.0 x8, Crypto and Secure Boot, Tall Bracket
MCX623102AC-ADATConnectX-6 Dx EN adapter card, 25GbE, Dual-port SFP28, PCIe 4.0 x16, Crypto and Secure Boot, Tall Bracket
MCX623102AN-ADATConnectX-6 Dx EN adapter card, 25GbE, Dual-port SFP28, PCIe 4.0 x16, No Crypto, Tall Bracket
MCX621102AE-ADATConnectX-6 Dx EN adapter card, 25GbE, Dual-port SFP28, PCIe 4.0 x8, Crypto, No Secure Boot, Tall Bracket
MCX623102AC-GDATConnectX-6 Dx EN adapter card, 50GbE, Dual-port SFP56, PCIe 4.0 x16, Crypto and Secure Boot, Tall Bracket
MCX623102AN-GDATConnectX-6 Dx EN adapter card, 50GbE , Dual-port SFP56, PCIe 4.0 x16, No Crypto, Tall Bracket
MCX623102AE-GDATConnectX-6 Dx EN adapter card, 50GbE, Dual-port SFP56, PCIe 4.0 x16, Crypto, No Secure Boot, Tall Bracket
MCX623102AS-GDATConnectX-6 Dx EN adapter card, 50GbE, Dual-port SFP56, PCIe 4.0 x16, Secure Boot, No Crypto, Tall Bracket
MCX623106PC-CDATConnectX-6 Dx EN adapter card, 100GbE, Dual-port QSFP56, with PPS In/Out, PCIe 4.0 x16, Crypto and Secure Boot, Tall Bracket
MCX623105AC-CDATConnectX-6 Dx EN adapter card, 100GbE, Single-port QSFP56, PCIe 4.0 x16, Crypto and Secure Boot, Tall Bracket 
MCX623105AE-CDATConnectX-6 Dx EN adapter card, 100GbE, Single-port QSFP56, PCIe 4.0 x16, Crypto, No Secure Boot, Tall Bracket
MCX623106AE-CDATConnectX-6 Dx EN adapter card, 100GbE, Dual-port QSFP56, PCIe 4.0 x16, Crypto, No Secure Boot, Tall Bracket
MCX623109AC-CDATConnectX-6 Dx EN adapter card, 100GbE, Single-port DSFP, PCIe 4.0 x16, Crypto and Secure Boot, Tall Bracket
MCX623109AN-CDATConnectX-6 Dx EN adapter card, 100GbE , Single-port DSFP, PCIe 4.0 x16, No Crypto, Tall Bracket
MCX623106GN-CDAT

ConnectX-6 Dx EN adapter card, 100GbE, Dual-port QSFP56, Enhanced-SyncE & PTP GM support and GNSS, PPS Out, PCIe 4.0 x16, No Crypto, Tall Bracket 

MCX623106PC-CDATConnectX-6 Dx EN adapter card, 100GbE, Dual-port QSFP56, with PPS In/Out, PCIe 4.0 x16, Crypto and Secure Boot, Tall Bracket 
MCX623106PE-CDATConnectX-6 Dx EN adapter card, 100GbE, Dual-port QSFP56, with PPS In/Out, PCIe 4.0 x16, Crypto, No Secure Boot, Tall Bracket 
MCX623106PN-CDATConnectX-6 Dx EN adapter card, 100GbE, Dual-port QSFP56, with PPS In/Out, PCIe 4.0 x16, No Crypto, Tall Bracket
MCX623106TN-CDATConnectX-6 Dx EN adapter card, 100GbE, Dual-port QSFP56, with PPS In/Out, PCIe 4.0 x16, No Crypto, Tall Bracket
MCX623105AE-VDATConnectX-6 Dx EN adapter card, 200GbE, Single-port QSFP56, PCIe 4.0 x16, Crypto, No Secure Boot, Tall Bracket
MCX623105AS-VDATConnectX-6 Dx EN adapter card, 200GbE, Single-port QSFP56, PCIe 4.0 x16, Secure Boot, No Crypto, Tall 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 M-1 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

NVIDIA MLNX_OFED for Linux User Manual and Release NotesUser Manual and Release Notes describing MLNx_OFED features, performance, band diagnostic, tools content, and configuration. See NVIDIA 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 Manual and Release NotesUser Manual describing the various components of the NVIDIA ConnectX® NATIVE ESXi stack. See VMware® ESXi Documentation.
NVIDIA Firmware UpdateNVIDIA 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 SpecificationIEEE Ethernet Specifications
PCI Express SpecificationsIndustry Standard PCI Express Base and Card Electromechanical Specifications.
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-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 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.

Revision History

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