AI Data Center Networking

The KEXINT MCX4121A-ACAT is a high-performance 25GbE Dual-Port SFP28 Network Interface Card (NIC) engineered for modern AI data centers, cloud infrastructure, and high-density virtualized environments. Built on the original NVIDIA Mellanox ConnectX-4 Lx controller, this adapter provides up to 2.5 times the bandwidth of 10G networks while maintaining a similar power envelope, offering the most cost-effective ROI path for enterprises transitioning from 10G to 25G architectures.Its core advantage lies in comprehensive support for RoCE (RDMA over Converged Ethernet), delivering sub-microsecond latency and significantly enhancing the efficiency of NVMe-over-Fabrics (NVMe-oF) storage and high-performance computing (HPC) clusters. Furthermore, by integrating advanced hardware offload engines—including VXLAN, NVGRE, and Geneve—it effectively reduces CPU overhead, ensuring robust system performance even under heavy network traffic.Equipped with a standard 4.72 in (120mm) tall bracket, the card strictly adheres to US engineering and international installation standards, making it the preferred choice for IT architects and system integrators seeking superior I/O performance and long-term reliability.

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.

The NVIDIA Mellanox MCX653105A-HDAT ConnectX-6 HDR 200G InfiniBand adapter is a premier networking solution engineered specifically for modern AI data centers, hyperscale cloud environments, and High-Performance Computing (HPC). Delivering a blistering single-port throughput of 200Gb/s, this adapter leverages an advanced PCIe 4.0 x16 interface (backward compatible with PCIe 3.0) to eliminate data transfer bottlenecks and maximize overall system performance.Featuring ultra-low, sub-0.6 microsecond latency and robust support for RDMA, GPUDirect, and In-Network Computing technologies, it significantly offloads CPU tasks to accelerate parallel processing efficiency. Whether utilized for complex deep learning training or massive scientific simulations, the MCX653105A-HDAT ensures rock-solid stability and seamless linear scalability. Proactively equipped with both Tall and Short Brackets, it integrates flexibly into various standard and low-profile server chassis, providing the ideal foundation for building next-generation, high-efficiency computing infrastructures.

Empower your data center backbone with KEXINT’s high-density MMC-16 Trunk Cable, a premier fiber interconnect solution designed for 800G and 1.6T networking infrastructure. Supporting a vast capacity from 16 to 384 fibers, this cable features the next-generation VSFF (Very Small Form Factor) MMC connector, enabling unprecedented port density and simplified cable management in high-compute AI clusters.Crafted with premium OS2 Single-Mode fiber, it achieves an Elite 0.35dB Max ultra-low-loss performance to ensure superior signal integrity over long distances. The robust Double Jacket construction provides enhanced mechanical protection and durability for complex indoor routing. Engineered for reliability and scalability, this MMC-16 trunk cable is the ultimate choice for high-bandwidth backbone links, delivering the mission-critical stability required for modern AI and hyperscale data centers.