ConnectX-6 Dx

The Most Secure and Advanced Cloud SmartNIC

NVIDIA® ConnectX®-6 Dx is a member of the world-class, award-winning ConnectX series of network adapters. ConnectX-6 Dx delivers two ports of 10/25/40/50/100Gb/s or a single-port of 200Gb/s Ethernet connectivity paired with best-in-class hardware capabilities that accelerate and secure cloud and data center workloads.

Dual-Port 100GbE/Single-Port 200GbE SmartNIC

ConnectX-6 Dx SmartNIC is the industry’s most secure and advanced cloud network interface card to accelerate mission-critical data-center applications, such as security, virtualization, SDN/NFV, big data, machine learning, and storage. The SmartNIC provides up to two ports of 100Gb/s or a single-port of 200Gb/s Ethernet connectivity and delivers the highest return on investment (ROI) of any smart network interface card. ConnectX-6 Dx is a member of NVIDIA's world-class, award-winning ConnectX series of network adapters powered by leading 50Gb/s (PAM4) and 25/10Gb/s (NRZ) SerDes technology and novel capabilities that accelerate cloud and data-center payloads.

NVIDIA Mellanox Dual-Port 100GbE/Single-Port 200GbE SmartNIC


Accelerate mission-critical data center applications


RoCE Solutions

ConnectX-6 Dx delivers several innovations including programmable congestion control and selective repeat and zero-touch RoCE, enabling scalable, robust and easy-to-deploy RoCE solutions.


Network Virtualization

The ConnectX-6 Dx groundbreaking ASAP² technology delivers innovative SR-IOV and VirtIO acceleration, offloading Open vSwitch data path forwarding from the host’s CPU to the adapter’s ASIC, and enabling extreme performance and scalability.


Data Center Security

ConnectX-6 Dx brings security to every end-point with its purpose-built inline acceleration engines that offload IPsec and TLS data-in-motion and XTS-AES data-at-rest cryptographic operations.

Key Features

  • NVIDIA Multi-Host® and NVIDIA Socket Direct® configurations
  • Industry-leading throughput, low latency, low CPU utilization and high message rate
  • Smart for x86, Power, ARM, and GPU-based compute and storage platforms
  • Secure data-center connectivity
  • Flexible pipeline programmability


  • Message rate of up to 215MPPS
  • ASAP2 (Accelerated Switching and Packet Processing) for Virtual Switches/Routers
  • IPsec and TLS in-line crypto and block crypto acceleration
  • Hardware Root-of-Trust and secure firmware update
  • Advanced RoCE capabilities


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