Mellanox MCX556A-EDAT ConnectX-5 VPI EDR InfiniBand 100 Gb/s and 100 GbE Dual-port QSFP28 PCIe4.0 x16 LP (FC EKAY)
Learn about the specifications and operating system requirements for the feature code (FC) EKAY adapter.
Overview
The Mellanox MCX556A-EDAT ConnectX-5 VPI EDR InfiniBand 100 Gb/s and 100 GbE Dual-port QSFP28 PCIe4.0 x16 LP Adapter is a PCI Express (PCIe) generation 4 (Gen4) x16 adapter. The adapter can be used in either a x8 or x16 PCIe slot in the system. The adapter delivers high bandwidth, low latency, and high computation efficiency for high performance, data intensive and scalable compute and storage platforms.

Specifications
- Item
- Description
- Adapter FRU number
- 01EM691 (AOC-MCX556A-EDAT-IB001)
- I/O bus architecture
- PCIe4 x16
- 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, low-profile
- Attributes provided
- Tag matching and rendezvous Offloads
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.