About This Manual
This User Manual describes NVIDIA® ConnectX®-4 InfiniBand/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-4
InfiniBand/Ethernet adapter cards.
NVIDIA
SKU
Legacy
OPN
Marketing Description
900-9X426-
0014-ST0
MCX453
A-FCAT
ConnectX®-4 InfiniBand/Ethernet adapter card, FDR IB
40/56GbE, single-port QSFP28, PCIe3.0 x8, tall bracket
900-9X426-
0054-ST0
MCX454
A-FCAT
ConnectX®-4 InfiniBand/Ethernet adapter card, FDR IB and
40/56GbE, dual-port QSFP28, PCIe3.0 x8, tall bracket
900-9X4AC-
0014-ST0
MCX455
A-FCAT
ConnectX®-4 InfiniBand/Ethernet adapter card, FDR IB and
40/56GbE, single-port QSFP28, PCIe3.0 x16, tall bracket
900-9X4AC-
0054-ST0
MCX456
A-FCAT
ConnectX®-4 InfiniBand/Ethernet adapter card, FDR IB and
40/56GbE, dual-port QSFP28, PCIe3.0 x16, tall bracket
900-9X4AC-
0016-ST0
MCX455
A-ECAT
ConnectX®-4 InfiniBand/Ethernet adapter card, EDR IB
(100Gb/s) and 100GbE, single-port QSFP28, PCIe3.0 x16, tall
bracket
900-9X4AC-
0056-ST3
MCX456
A-ECAT
ConnectX®-4 InfiniBand/Ethernet adapter card, EDR IB
(100Gb/s) and 100GbE, dual-port QSFP28, PCIe3.0 x16, 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
