The industry-leading NVIDIA® ConnectX® family of smart network interface cards (SmartNICs) offers advanced hardware offloads and accelerations. NVIDIA Ethernet adapters enable the highest ROI and lowest Total Cost of Ownership for hyperscale, public and private clouds, storage, machine learning, AI, big data, and telco platforms.
ConnectX Ethernet adapters offer best-in-class network performance serving low-latency, high throughput applications at 10, 25, 40, 50, 100 and up to 200Gb/s Ethernet speeds.
NVIDIA ASAP2 technology built into ConnectX SmartNICs accelerates software-defined networking with no CPU penalty.
ConnectX SmartNICs provide innovative hardware engines that offload and accelerate security with in-line encryption/decryption.
ConnectX SmartNICs enable high-performance storage and data access with RoCE and GPUDirect® Storage. NVM Express (NVMe) and Transmission Control Protocol (TCP) acceleration is added in ConnectX-7.
Starting with ConnectX-6 Dx, ConnectX SmartNICs provide an extremely accurate time-synchronization service for data center applications and underlying infrastructure.
Providing up to four ports of connectivity and 400Gb/s of throughput, the NVIDIA ConnectX-7 SmartNIC provides hardware-accelerated networking, storage, security, and manageability services at data center scale for cloud, telecommunications, AI, and enterprise workloads. ConnectX-7 empowers agile and high-performance networking solutions with features such as Accelerated Switching and Packet Processing (ASAP2), advanced RoCE, GPUDirect Storage, and in-line hardware acceleration for Transport Layer Security (TLS), IP Security (IPsec), and MAC Security (MACsec) encryption and decryption. ConnectX-7 enables organizations to meet their current and future networking needs in both high-bandwidth and high-density environments.
ConnectX-6 Dx provides up to two ports of 25, 50, or 100Gb/s or a single port of 200Gb/s Ethernet connectivity, powered by 50Gb/s PAM4 SerDes technology and PCI Express (PCIe) 4.0 host connectivity. ConnectX-6 Dx continues along NVIDIA’s innovation path in scalable cloud fabrics, delivering unparalleled performance and efficiency at every scale. ConnectX-6 Dx’s innovative hardware offload engines, including IPsec and TLS inline data-in-motion encryption, are ideal for enabling secure network connectivity in modern data center environments.
ConnectX-6 Lx is a highly secure and efficient 25/50Gb/s Ethernet SmartNIC delivering best-in-breed capabilities for enterprise, cloud, edge, and telecommunications workloads. As part of the industry's most cost-efficient, secure, and agile family of SmartNICs, ConnectX-6 Lx provides up to two ports of 25 Gigabit Ethernet (GbE) or a single port of 50GbE connectivity. ConnectX-6 Lx’s extensive SmartNIC portfolio offers cards in several form factors, feeds, and speeds, including low-profile PCIe and Open Compute Project (OCP) 3.0-compliant cards, enabling customers to choose the best fit for their needs.
ConnectX-6 is the world's first 200Gb/s Ethernet network adapter card, offering world-leading performance, smart offloads, and in-network computing, leading to the highest return on investment for cloud, web 2.0, big data, storage, and machine learning applications. ConnectX-6 provides two ports of 200Gb/s for Ethernet connectivity and 215 million messages per second, enabling the highest-performance and most flexible solution for the most demanding data center applications.
Intelligent ConnectX-5 Ethernet adapter cards offer acceleration engines that optimize performance of web 2.0, cloud, data analytics, high-performance, and storage platforms. ConnectX-5 supports two ports of 100Gb/s Ethernet connectivity, very high message rate, an embedded PCIe switch and NVMe over Fabrics (NVMe-oF) offloads, providing high-performance and cost-effective solutions for a wide range of applications and markets.
ConnectX-4 Lx provides an unmatched combination of 10, 25, 40, and 50GbE bandwidths, sub-microsecond latency, and a 75 million packets per second message rate. It includes native hardware support for RoCE, Ethernet stateless offload engines, overlay networks, and GPUDirect technology. The adapter reduces application runtime and offers the flexibility and scalability to make infrastructure run as efficiently and productively as possible.
The NVIDIA Innova®-2 Flex adapter card includes a ConnectX-5 network controller, which natively offers industry-leading accelerations, such as hardware support for RoCE, Ethernet stateless offload engines, overlay networks, or GPUDirect. The addition of an on-board field-programmable gate array (FPGA) provides users with the maximum flexibility to offload the CPU and create custom-made accelerations by migrating portions of their data processing logic to the FPGA.
ConnectX-4 Lx provides an unmatched combination of 10, 25, 40, and 50GbE bandwidth, sub-microsecond latency and a 75 million packets per second message rate. It includes native hardware support for RDMA over Converged Ethernet, Ethernet stateless offload engines, Overlay Networks,and GPUDirect® Technology. ConnectX-4 Lx offers the best cost effective Ethernet adapter solutions. The adapter reduces application runtime, and offers the flexibility and scalability to make infrastructure run as efficiently and productively as possible.
ConnectX-4 adapters support 100Gb/s Ethernet connectivity, and provide efficient and cost-effective solutions for high-performance, Web 2.0, Cloud, data analytics, database, and storage platforms. ConnectX-4 adapters provide a combination of 100Gb/s bandwidth in a single port, 150 million messages per second and application hardware offloads, addressing compute and storage data center demands.
ConnectX-3 Pro 10/40 GbE adapter cards with hardware offload engines to Overlay Networks ("Tunneling"), provide flexible high throughput, low-latency interconnect solution for PCI Express Gen3 servers used in public and private clouds, enterprise data centers, and high performance computing.
Open Compute Project (OCP) defines a mezzanine form factor that features best-in-class efficiency to enable the highest data center performance.
The innovative NVIDIA Mellanox Multi-Host® technology allows multiple compute or storage hosts to connect into a single adapter.
NVIDIA Mellanox Socket Direct® technology enables direct PCIe access to multiple CPU sockets, eliminating the need for network traffic to traverse the inter-processor bus.
Socket Direct (03:03)
ConnectX & RiverMax Streaming UHD IP Video Has Never Been Easier (02:55)
Introducing ASAP2 (03:40)
ASAP2 Tech Overview: Accelerated Switching & Packet Processing (06:12)
RDMA over Converged Ethernet (RoCE) (02:53)
Data Plane Development Kit (DPDK) (02:11)
Non-Volatile Memory Express (NVMe) over Fabrics Solutions (03:22)
VMware vSphere Networking (03:22)
ConnectX & BlueField Empower Cloud Security Solutions (03:09)
ConnectX-7 (PDF 136 KB)
ConnectX-6 Lx (PDF 720 MB)
ConnectX-6 Dx (PDF 423 MB)
ConnectX-6 Ethernet (PDF 536 MB)
ConnectX-5 Ethernet (PDF 994 MB)
ConnectX-5 VPI Socket Direct (PDF 599 MB)
ConnectX-4 Lx Ethernet (PDF 896 MB)
ConnectX-4 Ethernet (PDF 896 MB)
ConnectX-6 Lx IC (PDF 123 MB)
ConnectX-6 Dx IC (PDF 123 MB)
ConnectX-6 Ethernet IC (PDF 434 MB)
ConnectX-5 Ethernet IC (PDF 531 MB)
ConnectX-4 Lx Ethernet IC (PDF 259 MB)
ConnectX-4 Ethernet IC (PDF 259 MB)
Ethernet Card Brochure (PDF 2.6 MB)
Enhancing Networks with SmartNICs (PDF 720 KB)
Cloud-Native NFV Acceleration at Scale (PDF 798 KB)
ASAP2 (PDF 203 MB)
Powering 8K Video for Next-Generation IP Broadcasting (PDF 643 MB)
SR-IOV vs. VirtIO; Comparison of Two OVS/vRouter Acceleration Techniques
Maximizing Server Performance with Socket Direct Adapter (PDF 925 KB)
Optimize Your Cloud with the Right Network Adapters (PDF 2 MB)
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