NNJ2M Dell ConnectX-4 VPI Adapter Card EDR IB and 100GbE Dual-Port Network Adapter

Highlight Dell NNJ2M ConnectX-4 VPI Adapter

The Dell NNJ2M ConnectX-4 VPI Adapter Card is a cutting-edge dual-port host channel adapter engineered for high-performance computing and enterprise-grade networking. Supporting InfiniBand EDR and 100GbE, it delivers ultra-fast throughput and low-latency connectivity for demanding workloads.

General Information

• Manufacturer: Dell
• Part Number: NNJ2M
• Device Type: High-Performance InfiniBand Adapter

Technical Specifications

Form Factor & Interface

• Full-Height PCI Express Adapter
• Host Interface: PCIe 3.0 x16

Networking Technology

• InfiniBand EDR
• Dual QSFP28 connectors
• Port Speed: Up to 100 Gb/s per port
• Total Bandwidth: Up to 200 Gb/s aggregate

Advanced Capabilities

• RDMA Support
• GPUDirect RDMA compatibility
• RoCE support (firmware-dependent)
• SR-IOV virtualization
• Optimized for low latency in HPC and enterprise workloads

Operating System Compatibility

• VMware ESXi
• Microsoft Windows Server
• Red Hat Enterprise Linux (RHEL)
• SUSE Linux Enterprise Server (SLES)
• Ubuntu Server

Compatibility

Server Integration

• Compatible with Dell PowerEdge servers with PCIe 3.0 x16 slots
• Supports Dell PowerEdge 13th and 14th Generation models

Software & Driver

• Works with Mellanox OFED drivers
• Supports standard InfiniBand software stacks

Networking Hardware

• Compatible with InfiniBand EDR switches
• Supports QSFP28 optical transceivers and DAC cables

Dell NNJ2M ConnectX-4 VPI Adapter Card Overview

The Dell NNJ2M ConnectX-4 VPI Adapter Card EDR IB and 100GbE Dual-Port Network Adapters represent a powerful solution for enterprises requiring high-speed connectivity and versatile networking capabilities. Designed to support both InfiniBand and Ethernet technologies, this adapter ensures seamless integration into modern data centers and high-performance computing environments.

Form Factor and Design

The adapter features a compact plug-in card design, optimized for server integration. Its PCI Express 3.0 x16 interface ensures maximum throughput, while backward compatibility with PCIe 1.1 and 2.0 standards allows deployment across a wide range of systems.

Interface and Connectivity

Equipped with dual QSFP+ ports, the NNJ2M supports both InfiniBand and Ethernet connections. This dual functionality enables enterprises to leverage the adapter in diverse networking scenarios, from high-performance computing clusters to enterprise-grade storage solutions.

Data Transfer and Protocols

Delivering speeds up to 100Gbps, the adapter supports multiple data link protocols including InfiniBand and 100 Gigabit Ethernet. Transport protocols such as TCP/IP, UDP/IP, and IPoIB are fully supported, ensuring compatibility with existing network infrastructures.

High-Speed Performance

The Dell NNJ2M ConnectX-4 VPI Adapter Card is engineered for ultra-fast data transfer, making it ideal for workloads that demand high bandwidth. Applications such as virtualization, cloud computing, and big data analytics benefit from its ability to handle massive data flows without bottlenecks.

Advanced Features

The adapter includes VLAN support, Virtual Protocol Interconnect (VPI), Quality of Service (QoS), and jumbo frame support. These features enhance network efficiency, improve traffic management, and ensure reliable performance across complex environments.

Compliance Standards

Compliant with a wide range of IEEE standards including 802.1q, 802.1p, 802.3ad (LACP), 802.3ae, 802.3ap, 802.3az, and 802.3ba, the NNJ2M ensures interoperability and adherence to industry benchmarks. Additional compliance with IBTA 1.3 and IEEE 1588v2 further strengthens its reliability in enterprise deployments.

Interface Options

The adapter provides two InfiniBand QSFP+ ports, enabling dual-port connectivity for flexible deployment. This design supports redundancy, load balancing, and scalability, ensuring that enterprises can adapt their networking infrastructure to evolving demands.

Use Cases

High-performance computing clusters benefit from the adapter’s ability to deliver low-latency, high-bandwidth connections. Data centers leverage its dual-port design for redundancy and scalability. Virtualized environments utilize its advanced features to optimize traffic flow, while enterprise storage solutions rely on its robust connectivity for seamless data access.

High-Performance Computing

In HPC environments, the Dell NNJ2M ConnectX-4 VPI Adapter Card enables efficient communication between nodes. Its InfiniBand support ensures low-latency connections, critical for scientific simulations, financial modeling, and machine learning workloads.

Data Center Networking

Data centers require reliable and scalable networking solutions. The NNJ2M provides dual-port connectivity, compliance with industry standards, and advanced features that optimize traffic management. This makes it an essential component for modern data center architectures.

Virtualization and Cloud Computing

Virtualized environments demand efficient resource allocation and traffic management. The adapter’s VLAN support, QoS, and jumbo frame capabilities ensure that virtual machines and cloud applications operate seamlessly, delivering consistent performance across workloads.

Enterprise Storage Solutions

Storage systems rely on high-speed connectivity for data access and transfer. The NNJ2M’s 100Gbps capability ensures that enterprise storage solutions can handle large volumes of data without performance degradation, supporting applications such as backup, recovery, and big data analytics.

Quality of Service

QoS ensures that critical applications receive priority bandwidth, reducing latency and improving overall performance. This feature is particularly valuable in environments where multiple applications compete for network resources.

Virtual Protocol Interconnect

VPI allows seamless switching between InfiniBand and Ethernet protocols, providing flexibility and reducing the need for multiple adapters. This enhances efficiency and simplifies network management.

Jumbo Frame Support

By supporting jumbo frames, the adapter reduces overhead and improves efficiency in data transfer. This is particularly beneficial in environments with large data sets, such as big data analytics and scientific research.

IEEE Standards

The NNJ2M adheres to multiple IEEE standards, ensuring compatibility and interoperability across diverse networking environments. Compliance with standards such as IEEE 802.1q and IEEE 802.3ad guarantees reliable performance and seamless integration.

InfiniBand Trade Association

Compliance with IBTA 1.3 ensures that the adapter meets the requirements for InfiniBand connectivity, delivering low-latency, high-bandwidth performance for HPC and enterprise applications.

Precision Time Protocol

Support for IEEE 1588v2 enables precise time synchronization across networks, critical for applications such as financial trading and telecommunications.

Scientific Research

Researchers rely on high-performance computing clusters to process complex simulations. The NNJ2M’s InfiniBand support ensures low-latency communication, enabling faster results and more accurate modeling.

Financial Services

Financial institutions require low-latency connections for trading and analytics. The adapter’s high-speed performance and QoS capabilities ensure reliable and efficient data transfer, supporting critical financial applications.

Telecommunications

Telecom providers benefit from the adapter’s compliance with IEEE standards and support for precise time synchronization. This ensures reliable communication and efficient traffic management across networks.

Healthcare and Life Sciences

Healthcare organizations leverage the adapter for data-intensive applications such as medical imaging and genomic research. Its high-speed connectivity ensures that large data sets are processed efficiently, supporting critical healthcare initiatives.

Scalability

The dual-port design and compliance with multiple standards ensure that the NNJ2M can scale with evolving enterprise needs. Organizations can expand their networking infrastructure without replacing existing hardware.

Flexibility

Support for both InfiniBand and Ethernet protocols provides flexibility in deployment, allowing organizations to adapt to changing networking requirements.

Reliability

Manufactured by Dell, the NNJ2M is engineered for reliability, ensuring consistent performance across diverse environments. Its compliance with industry standards further enhances its dependability.