Key Features Of The MCX653105A-HDAT Network Card
The MCX653105A-HDAT delivers 200G VPI connectivity, supporting both InfiniBand and Ethernet on a single adapter for maximum deployment flexibility. This dual-protocol capability ensures adaptability for data center architects managing transitioning network topologies. The physical construction features a precision-engineered printed circuit board paired with a heavy-duty thermal heatsink, designed to maintain optimal operating temperatures even under continuous maximum throughput, ensuring tactile durability and sustained thermal efficiency.
Built on NVIDIA ConnectX-6 architecture, it supports RDMA, RoCE, GPUDirect RDMA, SR-IOV, and NVMe-oF acceleration, helping reduce CPU overhead and improve application performance. By offloading these intensive network processing tasks directly to the silicon, it frees up critical compute resources to drive demanding workloads in machine learning and deep learning environments.
With a PCIe Gen4 x16 interface and QSFP56 connectivity, it provides scalable, low-latency networking for AI, HPC, and enterprise data center infrastructures. The secure seating of the QSFP56 transceiver port ensures a firm, click-in connection, minimizing physical signal degradation across complex fiber optic runs within the server rack.
System & Software Compatibility: Natively supports major enterprise operating systems including Linux, Windows, and VMware. It integrates flawlessly with MLNX_OFED and WinOF-2 drivers for streamlined deployment into existing IT architectures.
Quality Standards & Reliability: Manufactured adhering to strict RoHS environmental compliance. Each unit undergoes rigorous end-to-end Bit Error Rate (BER) testing to guarantee enterprise-grade reliability and long-term stability under heavy computational workloads.
Competitive Advantages Of The MCX653105A-HDAT Network Card
The MCX653105A-HDAT offers 200G HDR InfiniBand and 200GbE performance, delivering significantly higher throughput than 100G networking solutions. This massive bandwidth expansion allows organizations to process larger datasets in a fraction of the time, directly accelerating time-to-insight for complex computational models and large-scale simulations.
Compared with standard Ethernet NICs, its VPI architecture supports both InfiniBand and Ethernet, providing greater flexibility and investment protection. Network engineers can deploy this adapter in an Ethernet environment today and smoothly transition to an InfiniBand fabric in the future without replacing the underlying hardware, effectively future-proofing the infrastructure investment.
Advanced RDMA and hardware offload technologies minimize CPU utilization and accelerate data movement for AI training, storage, and HPC workloads. By bypassing the operating system kernel entirely, data travels directly between application memories, achieving the microsecond latency that is critical for synchronous parallel processing tasks.
To maximize the capabilities of this adapter, proper network topology planning and compatible physical layer interconnects are essential. Below is a guide for optimal connectivity:
Application Scenario | Recommended Interconnects | Network Topology Role |
|---|
AI Training Clusters (200G HDR) | QSFP56 SR4/DR4 Optical Transceivers | Edge node connection to 200G HDR or 400G NDR switches (via splitters). |
Enterprise Storage (NVMe-oF) | 200G QSFP56 Direct Attach Copper (DAC) | Short-reach top-of-rack (ToR) server-to-storage fabric. |
HPC Compute Nodes | 200G Active Optical Cables (AOC) | Row-to-row low-latency cluster communication. |
Why Choose TELEFLY
TELEFLY is a trusted supplier of AI and data center infrastructure solutions, headquartered in Shenzhen with operations in Hong Kong. Backed by our own server testing and repair facility, we provide genuine and fully tested GPUs, servers, switches, network adapters, optical modules, and storage products. With strong inventory resources, global shipping capabilities, and professional technical support, TELEFLY delivers reliable, cost-effective, and one-stop solutions for AI, HPC, cloud computing, and enterprise data center deployments worldwide. Every component we ship undergoes a meticulous physical inspection and diagnostic burn-in process, ensuring the hardware you receive is pristine, fully functional, and ready for immediate deployment.
Comprehensive Technical Support & After-Sales Assurance
Procuring enterprise hardware requires ongoing operational confidence. We provide a transparent and highly efficient RMA (Return Merchandise Authorization) policy to swiftly address any hardware anomalies, minimizing potential downtime. Furthermore, our engineering team offers dedicated technical consultation, including step-by-step guidance for firmware upgrades using industry-standard tools like mlxup and MFT (Mellanox Firmware Tools). This dedicated support ensures your MCX653105A-HDAT adapters remain updated with the latest performance enhancements and security patches, comprehensively reducing procurement risks.
Frequently Asked Questions & Technical Troubleshooting
To assist network engineers and system administrators, we have compiled solutions to the most common technical inquiries regarding the deployment of this 200G VPI adapter.
How do I configure the VPI mode between InfiniBand and Ethernet?The port protocol can be configured using the MFT (Mellanox Firmware Tools) utility. By utilizing the mlxconfig command, administrators can set the LINK_TYPE_P1 parameter to either 1 (InfiniBand) or 2 (Ethernet). A system reboot is required for the changes to take effect at the hardware level.
What should I check if RDMA/RoCE is not functioning optimally?Ensure that Priority Flow Control (PFC) and Explicit Congestion Notification (ECN) are correctly configured across your entire network fabric, including the Top-of-Rack switches. Additionally, verify that the MLNX_OFED drivers are properly installed on the host OS and that the adapter's firmware version matches the driver's specific requirements.
How can I diagnose physical connection issues using the LED indicators?The adapter features diagnostic LEDs on the external bracket. A solid green light indicates a valid physical link, while a blinking green light signifies active data transmission. If the LED remains unlit despite a connected cable, physically inspect the QSFP56 transceiver for damage, verify optical module compatibility, and ensure the fiber optic facets are clean and completely free of dust or debris.
