Network Cards
A high-tech enterprise specializing in the research and development of optical fiber communications and manufacturing.
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A high-tech enterprise specializing in the research and development of optical fiber communications and manufacturing.
KEXINT presents the NVIDIA Mellanox ConnectX-8 (CX8) VPI Adapter (P/N: 900-9X81E-00EX-ST0), the pinnacle of network interface technology designed to power the next generation of AI clusters, hyperscale cloud infrastructures, and High-Performance Computing (HPC) environments.
As a leap forward in networking, this adapter delivers an unprecedented 800GbE XDR throughput via a single-cage OSFP interface, while supporting versatile configurations such as 2 x 400GbE for flexible deployment. Built on the cutting-edge PCIe 6.0 x16 standard, it provides double the bandwidth of previous generations, ensuring zero-bottleneck data flow between the CPU and the network.
A key differentiator is the Socket-Direct technology, which optimizes hardware resource allocation to achieve ultra-low latency—a critical requirement for synchronized AI training and high-frequency financial applications. Security is at the core of the ConnectX-8 design, featuring integrated Hardware Crypto engines and Secure Boot to protect data integrity and prevent unauthorized firmware access. For maximum hardware compatibility, KEXINT provides both Tall and Short brackets, allowing for seamless integration into various high-density rack servers. By choosing the ConnectX-8, you are equipping your infrastructure with the industry's most advanced performance, security, and scalability for the AI-driven era.
Product Description
NVIDIA Mellanox 900-9X81E-00EX-ST0 ConnectX®-8 VPI Adapter Card 800GbE XDR/2 x 400GbE, Single-Cage OSFP, PCIe 6.0 x16, Crypto and Secure Boot, Tall&Short Bracket
The NVIDIA® ConnectX®-8 SuperNIC™ is optimized to supercharge hyperscale AI computing workloads. Engineered with the Riding Heat Sink (RHS) architecture for enhanced thermal efficiency, it supports both InfiniBand and Ethernet networking at up to 800 gigabits per second (Gb/s). ConnectX-8 SuperNIC delivers high-speed, efficient network connectivity, significantly enhancing system performance for AI factories and cloud data center environments.
Product Highlights
PCIe Gen6 (up to 48 lanes), XDR 800Gb/s Single-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
Specifications
| Brand | Nvidia | Technology | InfiniBand & Ethernet |
| InfiniBand & Ethernet | Single-cage OSFP | Technology Host Interface | PCIe 6.0 x16 |
| Link Rate | 64GT/s | Controller | ConnectX®-8 |
| InfiniBand Speeds | 1 x 800/400/200/100 Gb/s 2 x 400/200/100 Gb/s | Ethernet Speeds | 1 x 400/200/100 Gb/s 2 x 400/200/100/50/25 Gb/s |
| Extension Options | SocketDirect/Multi-Host | OS Support | RHEL, Ubuntu, Windows, WinOF-2 |
| RDA | Yes | SR-IOV | Yes |
| Bracket Height | Tall & Short | HHHL Card Dimensions | 2.69 in. x 6.58 in (68.50mm x 168.40mm) |
| Operating Temperature | 0 to 55 °C (32 to 131 °F) | Storage Temperature | -40 to 70 °C (-40 to 158 °F) |
Connectivity Solutions
Features
RHS Thermal Design for High-Demand Cooling
The ConnectX-8 adapter uses the Riding Heat Sink (RHS) with an OSFP connector, where the heat sink rides on top of the cage and is exposed to system fan airflow. This same RHS transceiver is used in liquid-cooled systems to connect GPU/CPU servers to QM3200 switches, meeting the high thermal management demands of modern high-performance computing.
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.
RHS Thermal Design for High-Demand Cooling
The ConnectX-8 adapter uses the Riding Heat Sink (RHS) with an OSFP connector, where the heat sink rides on top of the cage and is exposed to system fan airflow. This same RHS transceiver is used in liquid-cooled systems to connect GPU/CPU servers to QM3200 switches, meeting the high thermal management demands of modern high-performance computing.
Advanced Networking and Security
It supports SR-IOV and VirtIO hardware virtualization, optimizing performance, offloading cloud networking workloads, freeing 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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