Nvidia 920-9B36F-00RX-8S0 Quantum-3 based XDR InfiniBand 72 OSFP Ports Switch

Overview of Nvidia Quantum-X800 InfiniBand 4U Switch 

The NVIDIA 920-9B36F-00RX-8S0 Quantum-3 based XDR InfiniBand switch is engineered to deliver ultra-fast networking performance for artificial intelligence, machine learning, deep learning, scientific computing, and enterprise-scale high-performance computing infrastructures. Designed around the advanced NVIDIA Quantum-X800 platform, this managed 4U InfiniBand switch offers exceptional bandwidth density, ultra-low latency communication, and intelligent fabric optimization capabilities for next-generation data center deployments. Built with 144 XDR InfiniBand ports distributed across 72 OSFP cages, this high-density networking solution enables scalable and efficient interconnectivity for GPU clusters, storage systems, cloud platforms, and hyperscale environments. The switch supports connector-to-power airflow (C2P), making it suitable for optimized rack cooling strategies in enterprise and cloud data centers.

General Information

• Brand: Nvidia
• Part Number: 920-9B36F-00RX-8S0
• Product Type: Memory Module

Technical Specifications

• Switch Platform: Quantum-X800 InfiniBand
• Architecture: Quantum-3 Based XDR
• Form Factor: 4U Rackmount
• Connectivity Type: Wired
• Ports: 144 XDR InfiniBand Ports
• OSFP Cages: 72
• Airflow Type: Connector-to-Power (C2P)
• Power Supplies Installed: 8
• Management Type: Managed Switch
• Dedicated UFM Management Port: Supported

Managed capabilities include:

• Advanced configuration management
• Network monitoring tools
• Traffic optimization settings
• Fabric diagnostics
• Remote administration support
• Performance analytics visibility

The Nvidia Quantum-3 XDR InfiniBand Switch Networks

The NVIDIA 920-9B36F-00RX-8S0 Quantum-3 based XDR InfiniBand switch is engineered to deliver ultra-low latency, high-throughput networking, and scalable infrastructure connectivity for enterprise data centers, artificial intelligence clusters, cloud-native deployments, and high-performance computing environments. Designed with 72 OSFP ports and supporting 144 XDR links inside a dense 4U chassis, this advanced networking platform provides exceptional bandwidth capabilities for organizations that require accelerated communication between GPU servers, storage arrays, and compute nodes. Built on NVIDIA Quantum-3 InfiniBand technology, the Q3400-RA switch platform introduces a new generation of interconnect performance optimized for AI training workloads, scientific simulations, machine learning frameworks, and distributed computing applications. The integration of XDR InfiniBand technology significantly enhances communication efficiency while reducing network bottlenecks across demanding workloads. This makes the switch highly suitable for exascale computing infrastructures, hyperscale data centers, and enterprise AI fabrics.

Advanced Quantum-3 Switching Technology

NVIDIA Quantum-3 technology introduces substantial advancements in switching intelligence, adaptive routing, congestion control, and packet processing acceleration. The switch architecture is designed to support extreme data transfer rates while maintaining deterministic latency characteristics required for synchronized computing operations. Quantum-3 technology provides enhanced telemetry and traffic management capabilities that improve network visibility and operational analytics. The switching engine supports intelligent packet scheduling mechanisms that optimize data flow between compute resources. This is particularly important for AI clusters where multiple GPUs exchange data continuously during training operations. Efficient communication pathways reduce synchronization delays and increase overall computational throughput.

XDR InfiniBand Performance Advantages

XDR InfiniBand technology delivers substantial bandwidth improvements compared to previous InfiniBand generations. The enhanced signaling capabilities support ultra-fast communication between connected devices while maintaining low power consumption and operational reliability. XDR technology is designed to address the increasing demands of AI-driven workloads, including large language model training, inference acceleration, and distributed storage communication. The switch supports advanced transport protocols and hardware acceleration features that improve application responsiveness and workload efficiency. Large-scale GPU clusters depend on rapid synchronization across interconnected systems, and XDR InfiniBand significantly reduces latency during collective operations and parallel processing tasks.

72 OSFP Ports for High-Density Connectivity

The inclusion of 72 OSFP ports provides exceptional port density within a compact 4U chassis design. OSFP technology supports high-speed connectivity while enabling future scalability for evolving data center requirements. The switch accommodates demanding deployment scenarios where maximizing rack efficiency and minimizing cable complexity are critical operational objectives. High-density port architecture allows enterprises to interconnect large numbers of servers, GPU nodes, and storage platforms using fewer switching layers. This simplifies network topology design and improves overall infrastructure manageability. The dense connectivity configuration also supports scalable spine-leaf architectures commonly used in modern cloud and AI environments.

OSFP Interface Technology

OSFP interfaces are engineered for ultra-high-speed data transmission and enhanced thermal management. The form factor enables support for advanced optical transceivers and direct attach cable solutions suitable for high-performance networking applications. Organizations the increased bandwidth capabilities and reduced latency associated with OSFP-based interconnects. The switch platform supports flexible cabling options, enabling compatibility with various deployment scenarios and rack configurations. Enterprises can deploy short-range direct attach cables for intra-rack connectivity or optical transceivers for longer-distance inter-rack communication. This flexibility improves infrastructure adaptability and simplifies future expansion planning.

4U Enterprise-Class Chassis Design

The 4U rack-mount design balances high-density networking with effective thermal management and serviceability. Enterprise data centers require reliable hardware platforms capable of operating continuously under intensive workloads. The NVIDIA Q3400-RA switch incorporates engineering optimizations that support stable long-term operation in demanding environments. The chassis structure is designed to facilitate airflow efficiency, cable organization, and maintenance accessibility. Data center administrators benefit from simplified deployment procedures and streamlined hardware servicing. The robust construction supports reliable operation across enterprise, cloud, and research computing facilities.

Thermal Optimization and Cooling Efficiency

High-performance switching platforms generate substantial thermal output due to advanced processing components and dense connectivity configurations. The Quantum-3 switch integrates optimized cooling pathways that maintain stable operating temperatures across all internal modules. Efficient airflow design improves cooling consistency while reducing thermal hotspots that could impact networking performance. Data centers operating AI training clusters often experience sustained high utilization levels, making thermal reliability essential for maintaining uninterrupted operations.

4U Rack Deployment Flexibility

The 4U form factor enables integration into standard enterprise rack infrastructures while maximizing space utilization. Organizations can deploy the switch within hyperscale environments, modular data centers, or high-density compute clusters without extensive infrastructure modifications. Proper rack integration improves cable management efficiency and facilitates easier maintenance procedures. The switch design supports front-to-rear airflow configurations suitable for modern hot aisle and cold aisle containment strategies commonly implemented in enterprise facilities.

144 XDR Connectivity

The 144 XDR connectivity capability significantly enhances communication throughput across distributed AI environments. Machine learning applications rely heavily on rapid data exchange between GPUs, storage systems, and compute nodes. The Quantum-3 switch enables efficient synchronization across these interconnected resources, improving overall training performance. Large language models and deep neural network frameworks require extremely fast communication channels to support distributed computation. XDR InfiniBand technology minimizes communication overhead during parallel processing tasks, enabling faster completion of training cycles and reduced infrastructure inefficiencies.

InfiniBand Networking for High-Performance Computing

InfiniBand technology has become a foundational component of modern high-performance computing environments due to its low latency and high throughput characteristics. The NVIDIA Quantum-3 switch extends these advantages with XDR capabilities designed for next-generation computational workloads. Scientific research organizations, academic institutions, and enterprise analytics platforms require networking infrastructures capable of supporting parallel processing across large compute clusters. InfiniBand networking provides deterministic communication performance that improves workload scalability and application responsiveness.

Adaptive Routing and Congestion Control

Advanced congestion management mechanisms dynamically optimize traffic distribution throughout the network fabric. Adaptive routing technologies identify optimal communication pathways and reduce packet delays caused by network contention. High-performance AI clusters frequently generate unpredictable traffic patterns during distributed training operations. Intelligent congestion control improves network efficiency and ensures balanced resource utilization across the infrastructure.

Integration and Scalability

Modern cloud infrastructures require scalable networking platforms capable of supporting rapid expansion and dynamic workload distribution. The NVIDIA Q3400-RA switch provides the bandwidth density and reliability necessary for hyperscale data center deployments. Cloud service providers can utilize the switch to build high-performance interconnect fabrics supporting virtualization, container orchestration, and distributed application environments. The platform enhances communication efficiency between compute resources while maintaining low operational latency.

Accelerated Storage Communication

The switch architecture supports high-speed communication pathways between storage devices and compute clusters. Reduced latency during storage access operations enhances application responsiveness and shortens workload execution times. Organizations deploying NVMe-based storage infrastructures and parallel file systems benefit from the enhanced throughput capabilities of XDR InfiniBand networking. Faster storage communication improves data availability for compute-intensive applications.