KEXINT presents the NVIDIA Mellanox ConnectX-8 (C8240) VPI Adapter (P/N: 900-9X81Q-00CN-ST0), a next-generation networking powerhouse designed specifically for AI-accelerated workloads, High-Performance Computing (HPC), and hyperscale enterprise data centers.
This advanced adapter features dual-port QSFP112 connectivity, offering a versatile Virtual Protocol Interconnect (VPI) that supports both NDR InfiniBand and 400GbE Ethernet protocols. Engineered with the latest PCIe 6.0 x16 interface, it provides unprecedented data throughput and efficiency, doubling the bandwidth of previous generations to eliminate system bottlenecks.
The integration of Socket-Direct technology ensures ultra-low latency and optimized CPU resource utilization, which is essential for massive-scale AI training and real-time data analytics. Furthermore, the ConnectX-8 prioritizes infrastructure integrity with built-in Hardware Crypto engines and Secure Boot capabilities, providing a robust defense against firmware tampering and data breaches. Delivered with both tall and short brackets, this NIC offers maximum deployment flexibility for high-density rack servers. Choosing the C8240 means future-proofing your network with the industry's leading speed, security, and scalability.
Product Description
NVIDIA Mellanox C8240 900-9X81Q-00CN-ST0 ConnectX®-8 InfiniBand & Ethernet SuperNIC, Socket-Direct NDR IB/400GbE Eth,Dual-port QSFP112, PCIe 6.0x 16, Crypto and Secure Boot, Tall&Short Bracket
The NVIDIA® ConnectX®-8 SuperNIC™ is optimized to supercharge hyperscale AI computing workloads. It supports InfiniBand and Ethernet networking, featuring two 400G QSFP112 ports delivering a total bandwidth of up to 800G/s. ConnectX-8 SuperNIC delivers high-speed, efficient network connectivity, significantly enhancing system performance in AI factories and cloud data centers.
Product Highlights
PCIe 6.0 x16, NDR 400Gb/s Dual-port Transmission
SuperNIC Powers Hyperscale AI & Cloud Data Centers
Hardware Root of Trust, Secure Boot, Inline Crypto
Advanced Routing & Telemetry-Based Congestion Control
Ethernet Accelerated Switching and Packet Processing™ (ASAP2) for SDN and VNF
Specification
| Ports | Dual-Port | Controller | ConnectX®-8 |
| Data Rate Per Port | InfiniBand Speed: 400/200/100/25/10 Gb/s Ethernet Speed: 400/200/100/25/10 Gb/s | System Interface Type | PCIe 6.0 x16 |
| Connectors | QSFP112 | Bracket Height | Full Height and Low Profile |
| SR-IOV | Yes | GENEVE | Yes |
| DPDK | Yes | RDMA | Yes |
| VXLAN | Yes | OS Support | RHEL, Ubuntu, Windows, WinOF-2 |
| ASAP² | Yes | Crypto | Yes |
| Operating Temperature | 0 to 55 °C (32 to 131 °F) | Storage Temperature | -40 to 70 °C (-40 to 158 °F) |
| Operating Humidity | 85% max. non-condensing relative humidity | Storage Humidity | 90% max. non-condensing relative humidity at 35°C |
Connectivity Solutions


Features
Dual-Port Adapter Supporting 400Gb/s InfiniBand and Ethernet
With enhanced power efficiency, ConnectX-8 SuperNICs support the creation of increasingly sustainable AI data centers operating hundreds of thousands of GPUs, ensuring a future-ready infrastructure for AI advancements.

Driving Exceptional Efficiency and Speed in AI Applications.
The ConnectX®-8 SuperNIC offers up to 800Gb/s of total network bandwidth, transforming generative AI workloads and next-generation data center performance for massive-scale AI compute fabrics.

Advanced Networking and Security
It supports advanced features such as RDMA and Telemetry-Based Congestion Control, optimizing performance, offloading cloud networking workloads, freeing up CPU cores, and reducing total cost of ownership.

Unlock Seamless Network Performance with Compatibility Testing
Through comprehensive testing procedures, we ensure seamless compatibility with mainstream servers, guaranteeing the long-term reliability and stability of the entire network infrastructure.


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