The NVIDIA® ConnectX®-6 MCX653106A-HDAT is a high-performance dual-port Smart network card designed for the most demanding data center environments. Part of the NVIDIA Quantum InfiniBand platform, this adapter delivers up to 200Gb/s per port (HDR InfiniBand) with groundbreaking In-Network Computing acceleration. It significantly reduces CPU overhead, slashes latency, and boosts application performance for High-Performance Computing (HPC), Artificial Intelligence (AI), and hyperscale cloud workloads. This advanced nic card represents a pivotal component for building efficient, scalable, and intelligent fabric infrastructures.

• Ultra-High Speed: Dual-port 200Gb/s HDR InfiniBand (200G per port) connectivity
• In-Network Computing: Offloads computation and aggregation to the network, freeing host CPU resources and improving scalability
• Hardware Security: Integrated XTS-AES 256/512-bit block-level encryption, FIPS compliant, offloaded from the CPU
• Extreme Performance: Achieves extremely low latency and a high message rate of up to 215 million messages/second
• Advanced Offloads: Comprehensive RDMA, TCP/IP, NVMe over Fabrics (NVMe-of), and Switch ASAP² for OVS offload
• Robust Connectivity: Supports both PCIe 3.0 and 4.0 host interfaces, ensuring compatibility with modern server platforms
• Flexible Deployment: Available in standard PCIe stand-up form factor with QSFP56 cages for flexible cable choices

This network card is built on the innovative ConnectX-6 architecture, leveraging several key technologies:

• IBTA 1.3 Compliant InfiniBand: Delivers native RDMA, adaptive routing, and advanced congestion control
• PCI Express Gen 4.0: Maximizes host interface bandwidth to fully utilize the 200Gb/s network speed
• NVIDIA In-Network Computing Engines: Enable collective operation offloads and in-network memory access, reducing inter-node communication bottlenecks
• Hardware-Based I/O Virtualization (SR-IOV): Supports up to 1000 virtual functions for secure, high-performance multi-tenant environments
• Enhanced Ethernet RoCE Support: Provides high-performance RDMA over converged Ethernet networks

The MCX653106A-HDAT acts as an intelligent co-processor for server networking. Instead of burdening the main CPUs, critical networking functions are offloaded to the adapter's specialized hardware:

1. Data Path Acceleration: RDMA operations allow data to move directly between application memory and the network, bypassing the OS kernel
2. Compute Offload: In-Network Computing engines perform data aggregation and collective operations within the switch fabric
3. Security Processing: AES-XTS encryption/decryption of data-at-rest happens at line rate on the nic card itself
4. Protocol Processing: TCP/IP, NVMe-of, and storage protocol headers are processed in hardware, minimizing latency

This architecture transforms the network card from a passive data pipe into an active participant in the computing workflow.

• HPC & Supercomputing Clusters: For running large-scale simulations and modeling with MPI-based applications requiring ultra-low latency and high message rates
• AI/ML Training Farms: Accelerates deep learning training by providing high-bandwidth, low-latency connectivity between GPU servers, reducing job completion times
• Hyperscale Cloud & Data Centers: Enhances efficiency for storage disaggregation (NVMe-of), virtualized networks, and data-intensive analytics platforms
• High-Frequency Trading & Financial Modeling: Where microsecond latencies and deterministic performance are critical
• Consolidated Workloads: Ideal for servers running a mix of HPC, AI, and storage workloads, thanks to its versatile offload capabilities

Why choose the MCX653106A-HDAT over other network card solutions?

• Beyond Connectivity: It's not just a nic card; it's an In-Network Computing accelerator that improves overall system efficiency and scalability
• Superior Efficiency: Dramatically reduces CPU utilization for networking and storage tasks, allowing CPUs to focus on core applications
• Unmatched Performance: Delivers industry-leading latency and message rates, crucial for HPC and AI workloads
• Integrated Security: Hardware-based encryption provides high-performance security without compromising speed, a feature not found in many standard adapters
• Future-Proof Design: With support for PCIe 4.0 and the latest InfiniBand standards, it protects infrastructure investments

We provide comprehensive support for every MCX653106A-HDAT adapter sold:

• Full Warranty: Backed by standard manufacturer warranty
• Reliable Supply: Stable inventory ensures timely delivery to meet project deadlines
• Technical Expertise: Our engineering team offers pre- and post-sales consultation for seamless integration into your HPC, AI, or cloud environment
• Long-Term Partnership: We provide ongoing support for firmware updates, compatibility checks, and optimization guidance

• Server Compatibility: Verify that your server has an available PCIe x16 slot (preferably Gen4) and adequate cooling/power capacity
• Driver & Firmware: Always use the latest NVIDIA-approved drivers and firmware from the official support site for optimal stability and performance
• Thermal Management: Ensure proper airflow within the server chassis, as high-performance adapters generate heat. Do not block the card's heatsink
• Electrostatic Discharge (ESD): Handle the network card with proper ESD precautions. Install it while the server is powered off and disconnected
• Software Environment: Confirm operating system compatibility. For advanced features like In-Network Computing, specific software libraries (e.g., HPC-X, NCCL) may be required

We are a leading global supplier of enterprise networking hardware with over ten years of industry experience. Our operations are supported by a large-scale facility and a robust technical team, allowing us to serve a vast and diverse customer base.

As an authorized distributor for premier brands such as NVIDIA Mellanox, Ruckus, Aruba, and Extreme, we specialize in providing original, brand-new equipment. Our extensive portfolio includes network switches, network cards (like the ConnectX series), wireless access points, controllers, and cabling solutions.