Nvidia ConnectX-7 User Manual

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Get the device location on the PCI bus by running lspci and locating lines with the string“Mellanox
Technologies”:
ConnectX-7 Card
Configuration
Output Example
Single-port Socket
Direct Card (2x PCIe
x16)
[root@mftqa-009 ~]# lspci |grep mellanox -i
a3:00.0 Infiniband controller: Mellanox Technologies MT2910 Family [ConnectX-7]
e3:00.0 Infiniband controller: Mellanox Technologies MT2910 Family [ConnectX-7]
Dual-port Socket Direct
Card (2x PCIe x16)
[root@mftqa-009 ~]# lspci |grep mellanox -i
05:00.0 Infiniband controller: Mellanox Technologies MT2910 Family [ConnectX-7]
05:00.1 Infiniband controller: Mellanox Technologies MT2910 Family [ConnectX-7]
82:00.0 Infiniband controller: Mellanox Technologies MT2910 Family [ConnectX-7]
82:00.1 Infiniband controller: Mellanox Technologies MT2910 Family [ConnectX-7]
Intheoutput exampleabove, thefirst
tworowsindicatethatonecardisinstalledinaPCIslotwithPCIBusaddress05
(hexadecimal),PCIDevicenumber00,andPCIFunctionnumbers0and1.Theother
cardisinstalledinaPCIslotwithPCIBusaddress82(hexadecimal),PCIDevice
number00,andPCIFunctionnumbers0and1.
Sincethetwo PCIecards are installed intwo PCIe slots,eachcard
getsauniquePCIBusandDevicenumber.EachofthePCIex16bussesseestwo
networkports;ineffect,thetwophysicalportsoftheConnectX-7SocketDirect
adapterareviewedasfournet devicesbythesystem.
Single-port PCIe x16
Card
[root@mftqa-009 ~]# lspci |grep mellanox -ia
3:00.0 Infiniband controller: Mellanox Technologies MT2910 Family [ConnectX-7]
On Windows
Open Device Manager on the server. ClickStart=>Run, and then enterdevmgmt.msc.
ExpandSystem Devices and locate your ConnectX-7 adapter card.
Right-click the mouse on your adapter's row and select Propertiesto display the adapter card
properties window.
Click theDetailstab and selectHardware Ids (Windows 2022/2019/2016/2012 R2) from the
Propertypull-down menu.

Nvidia ConnectX-7 Specifications

General

Supported Protocols	Ethernet, InfiniBand
RoHS Compliance	Yes
Ports	1 or 2 ports
Data Transfer Rate	Up to 400 Gb/s
Ethernet Speeds	10/25/40/50/100/200/400
InfiniBand Speeds	400Gb/s
Latency	Sub-600 nanoseconds
Form Factor	OCP 3.0
Product Type	Network Interface Card (NIC)
Power Consumption	Varies by model and configuration