Mellanox MCX4121A-ACAT ConnectX-4 Lx EN 25 GbE Dual-port SFP28 PCIe3.0 x8 LP Adapter (FC EKAU)
Learn about the specifications and operating system requirements for the feature code (FC) EKAU adapter.
Overview
The Mellanox MCX4121A-ACAT ConnectX-4 Lx EN 25 GbE Dual-port SFP28 PCIe3.0 x8 LP Adapter is a PCI Express (PCIe) generation 3 (Gen3) x8 adapter. The adapter can be used in either a x8 or x16 PCIe slot in the system. The adapter provides a combination of 1, 10, 25, 40, and 50 GbE bandwidth, sub-microsecond latency and a 75 million packets per second message rate. It includes native hardware support for remote direct memory access (RDMA) over converged Ethernet (RoCE), Ethernet stateless offload engines, overlay networks, and GPUDirect® Technology.
Specifications
- Item
- Description
- Adapter FRU number
- 01EM688 (AOC-MCX4121A-ACAT-IB001)
- I/O bus architecture
- PCIe3 x8
- Slot requirement
- For more information about slot priorities, maximums, and placement rules, see the PCIe adapter placement rules for the 9006-12P or PCIe adapter placement rules for the 9006-22P
- Voltage
- 3.3 V, 12 V.
- Form factor
- Short, with full-height tailstock
- Attributes provided
- Low latency RDMA over converged Ethernet
- Transceivers and cables
- Mellanox LinkX 10 Gb/s, 25 Gb/s, 40 Gb/s, 50 Gb/s and 100 Gb/s Direct Attach Copper cables (DACs), Copper Splitter cables, Active Optical Cables (AOCs) and Transceivers. For information regarding Mellanox LinkX cables and Transceivers, see LinkX™ InfiniBand Direct Attach Copper Cables.
Operating system or partition requirements
If you are installing a new feature, ensure that you have the software that is
required to support the new feature and that you determine whether any prerequisites must be met for
this feature and attaching devices. To check for operating system and partition requirements,
see one of the following links:
- The latest version of enabling libraries and utilities can be downloaded from the Fix Central website.
- IBM® Prerequisite website.
- IBM System Storage Interoperation Center (SSIC)
- The latest version of the device driver or the IBM Power® RAID adapter utilities (iprutils) can be downloaded from the IBM Service and Productivity Tools website.
- For information about important notices for Linux on IBM Power Systems, see the Linux® on IBM website.
Important: For a list of known Linux operating
system issues that can affect this adapter, see the IBM
Power LC readme.