Nvidia ConnectX-6 Dx Network Adapter

Nvidia ConnectX-6 delivers secure host connectivity for enterprise data centres, helping established cloud and service environments improve server efficiency without disruptive platform changes. Its Ethernet and InfiniBand offloads support lower-latency operations and stronger protection for virtualised, storage and security workloads.

Guide price: Price range: £195.00 through £995.00 Ex. VAT

Overview

As virtualised services, storage traffic and secure east-west flows grow across the stack, infrastructure teams need host connectivity that keeps latency predictable while fitting existing operational patterns.

SmartNIC Connectivity for Production Hosts

Nvidia ConnectX-6 is a SmartNIC for host connectivity in cloud, enterprise and service-provider environments. It suits established data-centre estates that run virtualisation, storage and security workloads and need mature Ethernet and InfiniBand connectivity without a disruptive fabric redesign.

Designed to Support Dense, Mixed Workloads

With a PCIe Gen4 x16 host interface and 200G networking options, it supports either 1x200G or 2x100G deployment patterns. That gives platform teams a practical way to align adapter choice with server design, workload density and port planning.

Operational Fit for Established Estates

The platform is positioned for secure cloud and data-centre acceleration, where offload and broad protocol support help simplify day-to-day operations. It is a good match when consistency, compatibility and server efficiency matter more than moving to the highest bandwidth tier.

Our team can help you assess Nvidia ConnectX-6 for your host connectivity requirements and build a deployment plan around your current estate.

Key Features​

Nvidia ConnectX-6 is a high-performance network interface card for data center and HPC environments, designed to connect demanding workloads with low-latency Ethernet or InfiniBand infrastructure.

Accelerate Data Center Traffic

High-Speed Fabric Connectivity
The adapter supports up to 200G line-rate connectivity, with either 1×200G or 2×100G configurations for high-bandwidth network designs.

Dual-Mode Network Support
It operates across InfiniBand and Ethernet networks, allowing the platform to fit mixed fabric requirements without changing the adapter class.

PCIe Gen4 Host Integration
PCIe Gen4 x16 host connectivity provides a high-throughput path between the system and the network fabric.

Workload-Oriented Fabric Offload
The design is suited to offload network transport tasks from the host and sustain predictable data movement for demanding environments.

Support Modern Network Operations

Fabric Flexibility
A single adapter architecture supports both InfiniBand and Ethernet deployment models, simplifying platform alignment across different network standards.

Scalable Throughput Planning
The 200G maximum port speed supports higher-density traffic aggregation as workload and fabric demands increase.

Server Path Efficiency
PCIe Gen4 x16 connectivity helps preserve efficient server-to-network data flow for latency-sensitive applications.

Speak to an Nvidia Networking Specialist

Whether you are aligning high-bandwidth servers or building low-latency fabric connectivity, our team can help map Nvidia ConnectX-6 to the right data center network design.

Technical Specifications

Full specifications for this model are listed below.

Additional information

Evaluating whether this is the right fit for your environment?

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Deployment Scenarios

Nvidia ConnectX-6 is a mature SmartNIC for data-centre servers that need secure Ethernet acceleration, broad compatibility and dependable offload for virtualisation, storage and cloud workloads. It fits teams standardising on 100/200GbE rather than moving to higher-bandwidth generations.

Cloud and virtualisation hosts in enterprise data centres

In mixed private cloud estates, hosts can become CPU-bound by networking overhead before application demand peaks. ConnectX-6 helps preserve server cycles for virtual machines and platform services, while keeping fabric changes minimal for operations teams.

Storage-heavy infrastructure with steady east-west traffic

Where storage nodes and application servers exchange large volumes of traffic, predictable latency matters more than headline speed. ConnectX-6 supports offload in those environments, helping maintain throughput without forcing a redesign around newer adapter tiers.

Private-cloud and VDI estates run by lean IT teams

Professional services firms often need to run secure, dependable infrastructure in-house with limited specialist staff. ConnectX-6 suits these estates by improving server efficiency and security while avoiding the change risk of newer AI-focused adapters.

Clinical systems and research servers in healthcare

Hospitals and research organisations need stable networking for clinical applications, virtual desktops and data services. ConnectX-6 fits that environment when teams want secure offload and consistent behaviour without complicating rollout or support.

Transactional databases and telecom edge hosts

Finance platforms and telecom edge nodes both rely on low-latency networking, but not every deployment needs the highest bandwidth class. ConnectX-6 provides mature acceleration for transaction systems, virtual switching and secure packet handling.

Planning a Nvidia ConnectX-6 Deployment?

We can help design and deploy Nvidia ConnectX-6 for cloud, storage, virtualisation, healthcare, finance and telecom environments, with a practical approach to compatibility, rollout risk and operational support.

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Tailored recommendations for your infrastructure

Below you’ll find alternative models, suitable software and services that pair with this solution – helping you to avoid compatibility issues, reduce support overhead and deploy with confidence.

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