900-9X81Q-00CN-ST0 Nvidia Connectx-8 C8240 400GBE 2-Port QSFP112 Adapter

Highlights of NVIDIA 900-9X81Q-00CN-ST0 ConnectX-8 Adapter

The NVIDIA ConnectX-8 C8240 SuperNIC is an advanced high-speed network adapter engineered for AI infrastructures, hyperscale data centers, cloud computing, and high-performance computing environments. Designed with PCIe Gen6 x16 architecture and ultra-fast 400GbE connectivity, this enterprise-grade SuperNIC delivers outstanding throughput, low latency, and scalable networking performance for next-generation workloads.

General Specifications

• Manufacturer: NVIDIA
• Part Number: 900-9X81Q-00CN-ST0
• Product Type: Network Adapter
• Series: ConnectX-8 C8240 SuperNIC

Technical Product Information

• Interface: 400GbE QSFP112
• Form Factor: PCIe Half Height Half Length (HHHL)
• Dimensions: 2.69 Inch x 6.58 Inch (68.50mm x 168.40mm)

PCI Express Interface

• PCIe Version: PCIe Gen6 x16
• Transfer Speed: 64GT/s
• Backward Compatibility: PCIe Gen5 Compatible
• Optional Expansion: Additional PCIe x16 Gen5 Through Auxiliary Card And MCIO Harness

Networking Connectivity

• Networking Port: Single Cage OSFP InfiniBand And Ethernet
• Ethernet Speeds: 100GbE, 200GbE, 400GbE
• InfiniBand Support: XDR, NDR, HDR, HDR100, EDR, SDR

Supported Protocols And Standards

• IBTA v1.7a Compliant
• XDR Auto-Negotiation
• NDR And NDR200 Support
• HDR And HDR100 Compatibility
• EDR And FDR Support
• 1x / 2x / 4x SDR Modes

Ethernet Protocol Compatibility

• 400GAUI-4 C2M
• 400GBASE-CR4
• 200GAUI-2 C2M
• 200GAUI-4 C2M
• 200GBASE-CR4
• 100GAUI-1 / 100GAUI-2 C2M
• 100GBASE-CR4 / CR2 / CR1
• 50GAUI-1 / 50GAUI-2
• 50GBASE-CR / R2
• 40GBASE-CR4 / R2
• 25GBASE-R
• 10GBASE-R / CX4
• 1000BASE-CX
• CAUI-4 C2M
• XLAUI C2M
• XLPPI
• SFI

Security and Advanced Capabilities

• Secure Boot Enabled
• Crypto Enabled
• X16 PCIe Extension Option Support
• Optimized For AI And HPC Workloads
• Low-Latency Data Processing

Electrical and Thermal Specifications

• Voltage: 12V, 3.3V, 3.3VAUX

Environmental Conditions

• Operational Temperature: 0°C To 55°C
• Storage Temperature: -40°C To 70°C

Humidity Levels

• Operational Humidity: 10% To 85% Relative Humidity
• Non-Operational Humidity: 10% To 90% Relative Humidity

Altitude Support

• Maximum Operational Altitude: 3050m

Compliance and Certifications

• Safety Certifications: CB, cTUVus, CE
• EMC Compliance: CE, FCC, VCCI, ICES, RCM, KC
• Environmental Compliance: RoHS Compliant

Overview Nvidia 900-9X81Q-00CN-ST0 400GBE 2-Port Adapter

The Nvidia 900-9X81Q-00CN-ST0 ConnectX-8 C8240 HHHL SuperNIC 400GbE Dual-Port QSFP112 PCIe 6.0 x16 Socket Direct Network Adapter is designed to redefine enterprise networking performance for hyperscale data centers, artificial intelligence infrastructures, cloud-native deployments, and high-performance computing environments. Built on the next-generation ConnectX-8 architecture, this advanced SuperNIC adapter delivers ultra-fast 400GbE networking throughput with low latency communication and intelligent workload acceleration capabilities.

400GbE High-Speed Enterprise Network

The Nvidia ConnectX-8 SuperNIC adapter provides ultra-high-speed 400 Gigabit Ethernet connectivity for enterprise environments requiring rapid data transfer between servers, storage systems, GPU clusters, and distributed computing nodes. Modern AI workloads and cloud-native applications generate enormous volumes of network traffic that demand scalable communication infrastructure capable of sustaining continuous high-bandwidth operations. The 400GbE networking capability minimizes congestion and accelerates communication performance during demanding enterprise workloads.

Ultra-Fast Throughput For Large Scale Workloads

Enterprise infrastructures supporting artificial intelligence, machine learning, and analytics platforms depend on high-speed communication to maintain processing efficiency and synchronization across distributed systems. The ConnectX-8 adapter accelerates throughput by optimizing packet handling and reducing communication latency during large-scale networking operations. Faster data transfer improves workload responsiveness and enhances the efficiency of compute-intensive enterprise applications. Stable throughput consistency ensures uninterrupted communication across high-density data center environments.

Dual-Port QSFP112 Design

The dual-port QSFP112 configuration allows enterprise organizations to implement scalable networking architectures that support load balancing, failover protection, and flexible bandwidth allocation across large-scale environments. Each QSFP112 port delivers high-speed connectivity capable of handling simultaneous workloads within cloud infrastructures, virtualization clusters, and AI processing platforms. The dual-port design improves communication redundancy while maximizing throughput efficiency during intensive networking operations.

Redundant Connectivity

Enterprise applications operating within mission-critical environments require uninterrupted communication to maintain operational continuity and infrastructure stability. The dual-port architecture provides reliable failover protection that maintains network connectivity even if one communication path experiences disruption. Enhanced redundancy reduces downtime risks and strengthens infrastructure resilience across enterprise deployments handling continuous high-volume workloads. Reliable communication pathways improve overall networking reliability within hyperscale data centers.

Balanced Traffic Distribution Across

Efficient traffic distribution is essential for optimizing bandwidth utilization and preventing network congestion during large-scale communication operations. The ConnectX-8 adapter intelligently balances traffic across both QSFP112 ports to maximize throughput efficiency and maintain stable performance under heavy workloads. Balanced communication improves responsiveness and minimizes packet delays across enterprise infrastructures supporting distributed applications and cloud-native services. Optimized traffic allocation enhances infrastructure productivity and scalability.

PCIe 6.0 x16 Interface

The PCIe 6.0 x16 interface integrated into the ConnectX-8 SuperNIC adapter delivers extraordinary communication speed between the network adapter and host systems, enabling full utilization of 400GbE networking performance. PCIe Gen6 technology significantly increases bandwidth capacity and reduces internal communication bottlenecks compared to previous interface generations. Faster communication between hardware components improves infrastructure responsiveness and accelerates workload execution across enterprise computing environments handling demanding networking operations.

Enhanced Internal Data Transfer Performance

Enterprise servers supporting AI training, real-time analytics, and high-performance computing workloads require ultra-fast communication between processors, networking hardware, and memory systems. The PCIe 6.0 x16 interface accelerates internal data movement while minimizing latency during high-bandwidth networking tasks. Enhanced communication efficiency improves application responsiveness and supports large-scale enterprise operations involving continuous data processing. Faster data transfer contributes to improved infrastructure productivity and scalability.

Reduced Host System Communication Bottlenecks

Traditional communication interfaces can restrict the performance potential of advanced networking hardware during intensive workloads involving massive data movement. PCIe Gen6 eliminates these bottlenecks by providing exceptionally high throughput between the ConnectX-8 adapter and enterprise server platforms. Reduced communication limitations ensure stable networking performance and consistent packet processing efficiency during continuous operations. Improved bandwidth capacity enhances workload execution speed and infrastructure responsiveness.

ConnectX-8 SuperNIC Intelligent Packet Processing

The ConnectX-8 architecture integrates advanced packet processing technologies designed to optimize communication efficiency and reduce processor overhead during large-scale networking operations. Intelligent packet routing and hardware acceleration improve throughput consistency while minimizing latency across enterprise infrastructures supporting cloud-native applications, AI workloads, and distributed storage environments. The SuperNIC design enhances networking responsiveness and supports scalable deployment across hyperscale data center environments.

Advanced Hardware Offloading Technology

Enterprise networking workloads can consume significant processor resources when communication tasks rely heavily on host CPU processing. The ConnectX-8 adapter incorporates advanced hardware offloading technologies that process networking operations directly within the adapter hardware, reducing CPU overhead and improving overall system efficiency. Hardware acceleration allows enterprise servers to allocate more computing resources toward mission-critical applications such as analytics, virtualization, and AI processing workloads.

High-Speed Workloads

Efficient packet routing is critical for maintaining stable communication performance within enterprise environments handling simultaneous high-volume workloads. The ConnectX-8 architecture intelligently prioritizes and routes network traffic to minimize congestion and reduce communication delays during continuous operations. Optimized packet movement improves synchronization between distributed applications and enhances networking stability across cloud infrastructures and AI clusters.

Large Data Center Deployments

Large-scale enterprise data centers require networking technologies capable of scaling efficiently without introducing communication instability or throughput degradation. The ConnectX-8 SuperNIC adapter provides scalable packet processing performance that supports expanding workloads and growing infrastructure demands. Reliable scalability improves operational flexibility and ensures consistent networking efficiency across high-density enterprise environments handling continuous communication tasks.

Socket Direct Technology

The Socket Direct technology integrated within the ConnectX-8 SuperNIC architecture enhances communication efficiency across multi-CPU server platforms by enabling direct connectivity between the adapter and multiple processor sockets. This advanced design reduces inter-socket communication overhead and improves data transfer performance during distributed workloads involving AI training, virtualization, and large-scale analytics operations. Socket Direct technology significantly improves throughput consistency and reduces latency across enterprise infrastructures.

Direct Processor Communication

Multi-CPU enterprise servers require efficient communication pathways between networking hardware and processor sockets to maintain stable workload execution during intensive operations. Socket Direct technology minimizes unnecessary communication delays by establishing direct connections between the ConnectX-8 adapter and multiple CPUs. Faster communication improves application responsiveness and enhances infrastructure productivity within enterprise environments handling complex distributed workloads.

Reduced Cross-Socket Latency During Workloads

Cross-socket communication delays can negatively impact workload synchronization and reduce operational efficiency within multi-processor enterprise systems. Socket Direct architecture reduces these delays by optimizing data movement between processors and networking hardware. Lower latency improves real-time processing performance and enhances communication stability during large-scale networking operations across AI and virtualization environments.

Machine Learning Networking Acceleration

Artificial intelligence and machine learning environments require exceptionally fast networking capabilities to support distributed GPU communication, large-scale dataset movement, and synchronized workload execution. The ConnectX-8 SuperNIC adapter delivers the bandwidth and low latency necessary to optimize AI model training and inference operations across enterprise GPU clusters. Advanced networking acceleration improves processing efficiency and minimizes communication bottlenecks during complex AI workloads.

Accelerated GPU Cluster Communication

GPU clusters handling distributed AI training operations require stable high-speed communication to synchronize processing tasks efficiently across multiple compute nodes. The ConnectX-8 architecture accelerates packet movement and minimizes latency between GPUs, improving training speed and workload consistency. Faster communication enhances AI infrastructure productivity and supports advanced machine learning applications requiring scalable networking performance.

Large Dataset Movement Across Systems

Machine learning environments frequently process enormous datasets that must be transferred rapidly between storage systems and compute clusters to maintain operational efficiency. The ConnectX-8 SuperNIC adapter optimizes large-scale data movement by improving throughput stability and reducing communication delays during continuous operations. Faster dataset transfer improves AI training performance and enhances infrastructure scalability across enterprise deployments.

Cloud-Native Infrastructure

The ConnectX-8 SuperNIC adapter is optimized for virtualization platforms and cloud-native enterprise environments requiring scalable networking performance and efficient workload isolation. Advanced virtualization technologies improve communication efficiency across virtual machines and containerized applications while reducing network overhead during continuous operations. This optimization enhances resource utilization and supports large-scale cloud infrastructure deployment.

Cloud Infrastructure Resource

Cloud-native enterprise environments require efficient utilization of networking resources to maintain stable communication performance during simultaneous workloads. The ConnectX-8 architecture optimizes bandwidth allocation and traffic management to ensure consistent throughput across distributed cloud infrastructures. Improved resource optimization enhances scalability and operational efficiency within enterprise virtualization deployments.

Containerized Applications

Containerized enterprise applications depend on reliable networking infrastructure capable of supporting rapid scaling and dynamic workload allocation. The ConnectX-8 SuperNIC adapter provides stable communication performance and low latency networking that supports modern cloud-native application architectures. Scalable networking capabilities improve deployment flexibility and ensure long-term infrastructure growth potential across enterprise environments.