Mellanox MCX353A-FCBT
The Mellanox MCX353A-FCBT ConnectX-3 VPI Adapter Card is a high-performance network interface card (NIC) designed to provide 56Gb/s FDR InfiniBand or 40/56GbE Ethernet connectivity. With PCIe 3.0 x8 (8GT/s) and a single QSFP port, this adapter is ideal for data centers, high-performance computing (HPC), and enterprise applications that require ultra-high-speed, low-latency networking.
Key Features
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Single FDR 56Gb/s or 40/56GbE QSFP Port – Provides flexibility for both FDR InfiniBand and Ethernet environments, offering up to 56Gb/s bandwidth for demanding applications.
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PCIe 3.0 x8 Interface (8GT/s) – Ensures maximum performance and seamless integration into server platforms.
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VPI (Virtual Protocol Interconnect) – Supports both InfiniBand and Ethernet protocols, enabling deployment flexibility and simplifying network management.
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RDMA Support (RoCE v2 & iWARP) – Enables low-latency, high-throughput communication for data-centric applications like AI, machine learning, and storage.
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Virtualization Support – Features SR-IOV, enabling efficient networking for virtualized environments, ideal for cloud computing and multi-tenant networks.
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Enhanced Data Offloading – Reduces CPU load with TSO, LRO, checksum offload, and other hardware offloading technologies, improving overall network efficiency.
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Tall Bracket Included – Optimized for standard server rack installations (low-profile bracket available separately).
BENEFITS of MCX353A-FCBT
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Provides high-performance, low-latency connectivity for demanding enterprise, cloud, and HPC environments.
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Dual FDR InfiniBand and Ethernet support provides flexibility for diverse network environments and protocols.
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Optimized for virtualization, enabling high-density, high-performance cloud computing with efficient data transport.
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Accelerates data transfers in data-intensive applications like big data analytics, real-time data processing, and AI workloads.
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Reduces CPU overhead with hardware offloading capabilities, improving network performance and efficiency.
Technical Specifications: Mellanox MCX353A-FCBT
| Parameter | Specification |
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| Model | MCX353A-FCBT |
| Network Speed | 56Gb/s FDR InfiniBand or 40/56GbE |
| Ports | 1 × QSFP |
| Interface | PCIe 3.0 x8 (8GT/s) |
| RDMA Support | Yes (RoCE v2, iWARP) |
| Virtualization | SR-IOV |
| Hardware Offloading | TSO, LRO, Checksum Offload |
| Form Factor | Standard with Tall Bracket |
| Power Consumption | Low Power Design |
| Operating Temp. | 0°C to 55°C |
| Compliance | RoHS, IEEE 802.3 |
Applications
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Data Centers & Cloud Networking – Provides flexible, high-bandwidth connectivity for cloud infrastructure, ensuring reliable and efficient networking.
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High-Performance Computing (HPC) – Supports high-throughput communication for data-heavy applications like scientific simulations, AI, and big data analytics.
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Virtualized Environments – Optimized for virtual machine environments, enabling scalable, low-latency network access for virtual workloads.
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Storage Networking – Ideal for environments requiring high-speed data transfers, including NAS and SAN systems.
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AI & Machine Learning – Accelerates real-time data transfers for applications such as deep learning, training models, and data processing.
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