Document Revision History

Jan. 2024

Added a note that the ConnectX-4 Lx product line has moved to end-of-life.

May. 2023

Added non-operational storage temperature specifications.

Nov. 2020

Added MCX4121A-ACHT support across the document.

Feb. 2020

Added altitude criteria to "Specifications".

Oct. 2019

Updated Ethernet supported protocols in "Specifications".

Sep. 2019

Added MCX4121A-XCHT support across the document.

May. 2019

Updated bracket and PCB tolerance in "Specifications".

May. 2019

Updated board labels and added a note to "Finding the MAC and Serial Number on the Adapter Card"

Dec. 2018

• Migrated to on-line format; minor reorganization.

• Added the following OPNs to relevant sections:

  • MCX4111A-ACUT

  • MCX4121A-ACUT

  • MCX4121A-ACST

  • MCX4131A-BCAT

  • MCX4131A-GCAT

• Updated Features

Nov. 2017

• Updated Features on page 15.

• Added a note to System Requirements on page 19.

Jul. 2017

• Updated Adapter LEDs Operations on page 62.

• Updated “Cable Installation” on page 24.

Sep. 2016

• Updated Adapter Card Installation Instructions on page 19.

• Added Card Un-installation on page 25.

• Updated the following tables:

  • MXC4111A-XCAT Specifications Table on page 60.

  • MCX4121A-XCAT Specifications Table on page 58.

  • MCX4111A-AC[A/U]T Specifications Table on page 62.

  • MCX4121A-AC[S/U/A]T Specifications on page 63.

Aug. 2016

• Added MCX512F-ACAT and MCX512A-ACAT support across the document

Jun. 2016

• Added a note to System Requirements.

Apr. 2016

• Updated Physical and Logical Link Indications

Mar. 2016

• Removed I2C-compatible Interface from Interfaces

• Updated Features and Benefits

Feb. 2016

Updated Bracket Installation Instructions on page 21

Feb. 2016

• Updated Linux Driver

• Updated Windows Driver

• Updated VMware Driver

• Added a note to Finding the MAC and Serial Number on the Adapter Card

Dec. 2015

• Updated Product Overview

• Updated speed specifications in the following sections:

  • Features and Benefits

  • Connectivity

• Updated Specifications

Dec. 2015

• Added mlxup to Documents List on page 9 and Updating Adapter Card Firmware

• Updated Device ID in Product Overview

• Added IEEE 802.3by support. See “Features and Benefits”

• Updated PCI Device

• Added VMware support. See VMware Driver

• Updated Specifications

• Added Single-port Bracket

Nov. 2015

First release