The NVIDIA ConnectX-7 family of network adapters supports both the InfiniBand and Ethernet protocols. It enables a wide range of smart, scalable, 

and feature-rich networking solutions that address traditional enterprise needs up to the world’s most demanding AI, scientific computing, and hyperscale cloud data center workloads.

Features

PCIe Interface

– PCIe 5.0 compliant, 16 lanes

– Supports PCIe x1, x2, x4, x8, and x16 configurations

– NVIDIA Multi-Host™ supports connection of up to 8 Hosts

– PCIe Atomic

– Transaction Layer Packet (TLP) Processing Hint (TPH)

– PCIe Switch Downstream Port Control (DPC)

– Advanced Error Reporting (AER)

– Advanced Error Reporting (AER) >Access Control Service (ACS) for peer-to-peer secure communications

– Process Address Space ID (PASID)

– Address Translation Service (ATS)

– MSI/MSI-X mechanism support

– Support for SR-IOV

InfiniBand

– Compliant with InfiniBand Trade Association (IBTA) Specification 1.5

– Up to four ports

– Remote Direct Memory Access (RDMA), send/receive semantics

– Hardware-based congestion control

– Atomic operations

– 16 million input/output (IO) channels

– Maximum Transmission Unit (MTU) support from 256B to 4KB, with message length support up to 2GB

– 8 virtual channels (VL) + VL15

Enhanced Networking

– Hardware-based Reliable Transport

– Extended Reliable Connection (XRC) Transport

– Dynamic Connection Transfer (DCT)

– GPUDirect® RDMA

– GPUDirect Storage

– GPUDirect Storage >GPUDirect RDMA Support for Dynamic Routing

– Enhanced Atomic Operations

– Advanced memory mapping support, allowing user-mode registration and memory remapping (UMR)

– On-Demand Paging (ODP), including registration-free RDMA Memory Access

– Enhanced congestion control

– Burst buffer offload

Network Computing

– Set Operation Offloading

– Vector Set Operation Offload

– MPI Tag Matching

– MPI_Alltoall Uninstallation

– Rendezvous Protocol Offload

– Network Memory

Hardware-based IO Virtualization

– Single Root IO Virtualization (SR-IOV)

Storage Offloads

– Block level encryption: XTS-AES 256/512-bit key

– NVMe over Fabrics (NVMe-oF) offload for target servers

– Wire-speed T10 Data Integrity Field (DIF) signature handoff for ingress and egress traffic

– Storage protocols: SRP, iSER, NFS RDMA, SMB Direct, NVMe-oF

Remote Boot

– Remote boot over InfiniBand

– Remote boot over iSCSI

– Unified Extensible Firmware Interface (UEFI)

– Pre-boot Execution Environment (PXE)

Security

– Secure Boot via Hardware Root of Trust

– Secure Firmware Updates

– Flash encryption

System Requirements / Distribution*

– Built-in drivers for major operating systems:

   Linux: RHEL, Ubuntu

   Windows

– Virtualization and Containers

   VMware ESXi (SR-IOV)

   Kubernetes

– OpenFabrics Enterprise Distribution (OFED)

– OpenFabrics Windows

   Distribution (WinOF-2)