Compliant with PCI Express Specification Revision 3.0,1.1 and 2.0

2.5,5.0, or 8.0GT/s link rate x8

Auto-negotiates to x8, x4, x2, or x1

Connecter interface: Open Compute Project Intel Motherboard spec V2.0

Support for MSI/MSI-X mechanisms

Supports dual-Port 25G,10G, or 1Gb/s SFP+

IEEE802.3by,25G supporting all FEC modes

IEEE802.3az Energy Efficient Ethernet

IEEE802.3ap based auto-negotiation and KR startup

Support Standards IEEE802.3ad, IEEE802.1ax, IEEE802.1Q, IEEE802.1P, IEEE802.1Qaz, IEEE802.1Qbb, IEEE802.1Qbg, IEEE1588V2

Jumbo frame support 9.6KB

Independent NC-SI SMBus interface

Independent stand-by and wake-on-Lan signals

Hardware-based reliable transport

Collective operation offloads

PeerDirect RDMA (aka GPUDirect communication acceleration)

64/66 encoding

Extended Reliable connected transport

Dynamically connected transport

RDMA over Converged Ethernet (RoCE)

TCP/UDP/IP stateless offload

LSO.LRO. checksum offload

Hardware offload of encapsulation and decapsulation of NVGRE and VXLAN overlay networks

SR-IOV, Multi-function, Enhanced QoS, VMware support

SR-IOV up to 256 virtual functions

SR-IOV up to 8 physical functions per port

Guaranteed QoS for VMs

OpenMPI, IBM PE, OSU MPI, Intel MPI protocol support

NC-SI over MCTP over SMBus and NC-SI over MCTP over PCIe-Baseboard Management Controller interface

Remote boot over Ethernet, iSCSI, PXE, and UEFI

Supports Operation Systems: FreeBSD, Linux5.x and above, VMware5.5/6.0/6.5/6.7, Windows server2008/2012/2016/2019, win7/win8/win8.1/win10 32 or 64bit

Package content

1 x OCP2.0 Mellanox Connectx-4 Dual-Port 25G SFP+ adapter

1 x Users Manual

1 x CD Driver

1 x Low profile bracket

Accessories

System Requirements

FreeBSD, Linux , VMWare ESXi

Win-server2008 R2/ Win-server2012 R2/ Win-server2016/Win-server2019

Windows: 7/8/8.1/10 32/64bit

One available Open Compute Project Intel Motherboard slot

m

Hardware installation

1.Turn off the computer and unplug the power cord

2.Remove the computer cover and the adapter slot cover from the slot that matches your adapter

3.Insert the adapter edge connector into the slot and secure the bracket to the chassis

4.Replace the computer cover ,then plug in the power cord

5.Power on the computer

Install Drivers and software

Windows Operating Systems

You must have administrative rights to the operating system to install the drivers.

1.insert the CD driver bound with Mellanox network driver into your CD-ROM drive:

2.if the Found New Hardware Wizard screen is displayed, click Cancel

3.select a driver based on the system type

for Windows Server type: (Assume that D):

D:\NIC Drivers\Mellanox\ConnectionX-4\Windows Server

for Windows type: (Assume that D):

D:\NIC Drivers\Mellanox\ConnectionX-4\Windows Client

4.Double click the driver corresponding to the system.

5.Follow the instructions in the install wizard to finish it.

Installing Linux Drivers from Source Code

1.Download and expand the base driver tar file.

2.Compile the driver module.

3.Install the module using the modprobe command.

4.Assign an IP address using the ifconfig command.

Support

More information and settings, please refer to the Adapter User Guides or you can contact us.