900-9X767-003N-DT0 Nvidia ConnectX-7 HHHL NDR LB Single-port OSFP PCIE 5.0 Adapter Card

Nvidia 900-9X767-003N-DT0 ConnectX-7 HHHL Adapter Card

The Nvidia 900‑9X767‑003N‑DT0 ConnectX‑7 HHHL NDR LB adapter card is a high‑performance networking solution designed for modern data centers and enterprise infrastructures. Featuring single‑port OSFP connectivity, PCIe Gen 5.0 support, and secure boot functionality, this card ensures reliable throughput and compatibility with advanced InfiniBand technology.

Main Details

• Manufacturer: NVIDIA
• Model Number: 900‑9X767‑003N‑DT0
• Category: High‑speed adapter card

Technical Information

Specifications

• Technology: InfiniBand NDR
• Data Speed: 400 Gb/s
• Port Setup: Single‑port OSFP
• Interface: Socket Direct PCIe Gen 5.0 (2×8 lanes in a row)
• Bracket Type: Tall bracket

Security Features

• Secure Boot enabled
• Crypto functionality disabled

Compatibility

Supported Switches

• Spectrum‑X
• Quantum‑2
• SN4000 / SN5000 / SN8000 series

Supported Cables

• OSFP
• QSFP112
• AOC (Active Optical Cables)
• DAC (Direct Attach Copper) – all lengths

High-Performance Data Center Networking Adapter Overview

The Nvidia ConnectX-7 adapter category represents a new generation of intelligent network interface cards engineered for extreme bandwidth, ultra-low latency, and advanced security in modern data center and high-performance computing environments. Products in this category, including the Nvidia 900-9X767-003N-DT0 ConnectX-7 HHHL NDR adapter, are purpose-built to support next-generation fabrics, scalable cloud architectures, and AI-driven workloads that demand deterministic performance and robust offload capabilities. This category is positioned at the intersection of networking, compute acceleration, and infrastructure security, delivering a foundational component for advanced enterprise and hyperscale systems.

ConnectX-7 adapters are designed to operate within PCI Express 5.0 ecosystems, enabling significantly higher throughput and lower latency compared to previous PCIe generations. By leveraging a single-port OSFP interface with NDR link capabilities, this category supports extremely high data transfer rates suitable for large-scale data movement, distributed computing, and storage acceleration. These adapters are optimized for environments where bandwidth consistency, reliability, and secure operation are non-negotiable.

SmartNIC and Network Offload Architecture Evolution

This category builds upon the evolution of SmartNIC and advanced network interface technologies, integrating sophisticated offload engines that reduce CPU overhead and improve overall system efficiency. ConnectX-7 adapters incorporate hardware-based acceleration for networking, storage, and security operations, allowing host processors to focus on application-level tasks. This architectural approach is essential for scaling workloads across dense server deployments and high-core-count processors.

By offloading tasks such as packet processing, encryption handling, and transport layer functions, this category enhances throughput predictability and minimizes jitter. These capabilities are particularly valuable in AI clusters, cloud-native platforms, and software-defined infrastructure where consistent network performance directly impacts application responsiveness and throughput.

PCI Express 5.0 Interface and System Integration

The use of PCI Express 5.0 defines this category as future-ready, offering double the bandwidth of PCIe 4.0 and ensuring compatibility with emerging server platforms. A PCIe 5.0 x16 electrical interface allows the adapter to handle massive data flows without becoming a bottleneck, even under sustained peak loads. This level of bus performance is critical for high-speed network adapters operating at NDR rates.

System integration benefits from improved signal integrity and power efficiency inherent in PCIe 5.0 designs. Servers equipped with ConnectX-7 adapters can achieve balanced throughput between network, memory, and storage subsystems, resulting in optimized end-to-end performance across distributed workloads.

NDR Networking and OSFP Connectivity Standards

The category is defined by support for NDR networking, a standard that delivers exceptionally high data rates designed for next-generation InfiniBand and Ethernet fabrics. NDR connectivity enables data center architects to build flatter, faster networks with reduced hop counts and improved scalability. This capability is essential for workloads that rely on rapid data exchange between nodes, such as distributed machine learning, real-time analytics, and large-scale simulations.

Single-port OSFP connectivity further distinguishes this category by supporting high-density, high-speed optical interconnects. OSFP modules are engineered for superior thermal performance and signal integrity, allowing sustained operation at extreme speeds. The combination of NDR capability and OSFP form factor positions these adapters as a core component in cutting-edge network fabrics.

Latency Optimization and Throughput Consistency

Adapters in this category are optimized for ultra-low latency operation, ensuring that data packets traverse the network with minimal delay. Hardware-based packet scheduling, advanced queue management, and direct memory access mechanisms contribute to deterministic latency characteristics. This is especially important in high-performance computing clusters and AI training environments, where synchronization between nodes is critical.

Throughput consistency is achieved through intelligent flow control and congestion management features embedded within the adapter hardware. These mechanisms help maintain stable performance even during traffic spikes, ensuring predictable application behavior across shared network infrastructure.

Scalability in Large-Scale Fabrics

Scalability is a defining attribute of this category, enabling seamless expansion from small clusters to massive data center fabrics. ConnectX-7 adapters support advanced routing and virtualization technologies that allow networks to grow without compromising performance or manageability. This scalability is vital for organizations adopting modular infrastructure strategies and incremental capacity growth.

The ability to scale efficiently also reduces operational complexity, as fewer network tiers and simplified topologies can be deployed. This results in lower latency, improved reliability, and reduced infrastructure costs over the lifecycle of the data center.

Security Architecture and Trusted Infrastructure Design

Security is a core pillar of the ConnectX-7 adapter category, addressing the increasing need for hardware-level protection in modern infrastructure. The Nvidia 900-9X767-003N-DT0 variant exemplifies this focus with crypto disabled and secure boot enabled, aligning with environments that require strict control over cryptographic operations and firmware integrity. Secure boot functionality ensures that only authenticated firmware is executed, protecting the adapter from unauthorized modifications.

This category supports secure deployment models where network adapters are trusted components within a zero-trust architecture. Hardware-based security features complement system-level protections, creating a layered defense strategy that safeguards data in transit and infrastructure control planes.

Firmware Integrity and Secure Boot Enforcement

Secure boot enforcement within this category verifies the authenticity and integrity of adapter firmware during initialization. This process prevents the execution of tampered or malicious code, reducing the risk of supply chain attacks and unauthorized firmware alterations. Secure boot capabilities are essential for regulated industries and sensitive workloads where compliance and data protection are paramount.

By embedding trust anchors directly into the hardware, ConnectX-7 adapters provide a reliable root of trust that extends into the network layer. This approach enhances overall system security and simplifies compliance with industry standards and internal governance policies.

Crypto Disabled Configuration Use Cases

The crypto disabled configuration within this category addresses specific deployment scenarios where cryptographic processing is managed externally or restricted by policy. Some environments require network adapters to operate without onboard cryptographic acceleration to meet regulatory requirements or maintain centralized key management strategies. This flexibility allows organizations to tailor their infrastructure security model without sacrificing performance or compatibility.

Even with crypto disabled, the adapter maintains robust security through secure boot and firmware validation, ensuring that operational integrity remains intact. This balance of flexibility and protection is a key differentiator of the category.

Form Factor, Mechanical Design, and Thermal Efficiency

The HHHL form factor defines this category as suitable for a wide range of server chassis, including dense rack-mounted systems and high-performance compute nodes. Half-height, half-length adapters provide an optimal balance between performance and physical compatibility, allowing deployment in space-constrained environments without compromising capability. Mechanical design considerations ensure reliable installation and long-term durability under continuous operation.

Thermal efficiency is a critical aspect of this category, as high-speed networking components generate significant heat. ConnectX-7 adapters are engineered with advanced thermal management strategies, including optimized heatsinks and airflow paths, to maintain stable operating temperatures. Effective thermal design supports sustained performance and extends component lifespan.

Power Delivery and Efficiency Considerations

High-performance network adapters require precise power delivery to maintain signal integrity and operational stability. This category incorporates efficient power regulation and monitoring features that adapt to workload demands. By optimizing power consumption under varying traffic conditions, ConnectX-7 adapters contribute to overall system energy efficiency.

Reduced power inefficiencies translate into lower operational costs and simplified cooling requirements, which are particularly beneficial in large-scale data centers. Efficient power usage also aligns with sustainability initiatives and energy-conscious infrastructure planning.

Reliability in Continuous Operation Environments

Adapters in this category are validated for continuous, around-the-clock operation in enterprise and hyperscale environments. Rigorous testing ensures resilience under thermal stress, electrical load fluctuations, and prolonged high-throughput usage. This reliability is essential for mission-critical systems where network downtime can have significant operational and financial impacts.

Long-term reliability is further enhanced by robust component selection and manufacturing processes, ensuring consistent performance across deployment lifecycles.

Application Domains and Workload Optimization

The ConnectX-7 adapter category is designed to serve a diverse range of application domains, from artificial intelligence and machine learning to cloud services and high-performance storage. In AI training clusters, the high bandwidth and low latency capabilities support rapid gradient exchange and model synchronization across nodes. This accelerates training cycles and improves overall cluster efficiency.

Cloud service providers leverage this category to deliver predictable network performance to tenants, enabling high-density virtualization and containerized workloads. The ability to offload networking tasks reduces CPU contention and improves quality of service across multi-tenant environments.

High-Performance Computing and Research Applications

In high-performance computing environments, network performance is often the limiting factor for scalability. ConnectX-7 adapters address this challenge by providing deterministic latency and massive throughput, enabling efficient scaling of parallel applications. Scientific simulations, computational fluid dynamics, and large-scale modeling benefit directly from these capabilities.

Research institutions and laboratories rely on this category to support collaborative computing environments where data must move rapidly and reliably between compute nodes.

Enterprise Storage and Data Movement

Modern enterprise storage architectures depend on fast, reliable network connectivity to deliver high IOPS and low latency. This category supports advanced storage protocols and data movement frameworks, enabling efficient access to distributed storage resources. High-speed connectivity enhances cache coherency and accelerates data replication across storage nodes.

The result is improved application responsiveness and more efficient utilization of storage infrastructure.