






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
Support for MSI/MSI-X mechanisms
Supports dual-Port 25G,10G, or 1Gb/s SFP28
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 PCIe x8 Mellanox Connectx-4 Dual-Port 25G SFP28 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: 8/8.1/10 32/64bit
One available PCI Express x8/x16 slot
m
Function
controller MELLANOX ConnectX-4 LX
Fibre Media 25G SFP+,25GDAC,25GAOC,10GSFP+,10G DAC,10G AOC,1G SFP+
Fiber type 25G BASE-SR,25GBASE-LR,10GBASE-SR,10GBASE-LR, SFP+,COPPER
Connect type PCIE3.0 X8
Operation Systems Windows8.1
Windows10
Windows Server2003/2003 R2
Windows Server2008/2008 R2
Windows Server2012/R2
Windows Server2016/R2
Windows Server2019/R2
Windows Server2022/R2
Ubuntu 14.04 or later
Sles12 sp2 or later
REHL/CentOS7.2 or later
Oracle Linux 7.8 or later
OpenEULER 20.03
KYLIN 10
Fedora 32
Euler0s 2.0 SP5/SP8/SP9
Debian 9.11/9.13/10.5/10.8
BCLINUX7.5 OR later
Stable kernel version 3.x,4.x or later
VMware ESX/ESXi 5.X,6.X or later
Port type Dual- Port 25G SFP28 connecter
Each Port transmit speed 1/10/25Gbps
Ethernet power management yes
standards IEEE802.3by 25Gbase-SR,25Gbase-LR,25Gbase-ER
IEEE802.3ae 10GBase-SR 10Gbase-LR,10Gbase-ER,10Gbase-ZR
IEEE802.3aq 10Gbase-LRM
IEEE802.1Q,802.1P VLAN tags and priority
IEEE802.1Qbb priority flow control
IEEE802.1Qbg
IEEE1588V2
PXE/UEFI support YES
ISCSI support yes
VMDs, SR-IOV support yes
TCP/IP Sec offload YES
IPv4,IPv6 Support yes
Jumbo frame size 9.6KB
Network I/O Virtualization VXLAN , Geneve, NVGRE, ISER,
Operation temperature 0o~55oC (32oF or 131oF)
Storage temperature -40~ 70oC (-40oF or 158oF)
Relative humidity 5~90 non-condensing relative humidity