Mellanox MCX516A-CDAT ConnectX-5 Ex EN Network Interface Card
The Mellanox MCX516A-CDAT ConnectX-5 Ex EN is a high-performance dual-port 100GbE QSFP28 network interface card (NIC) designed for data centers, artificial intelligence (AI), machine learning, high-performance computing (HPC), and cloud environments. Featuring PCIe 4.0 x16 connectivity, this dual-port 100GbE NIC delivers ultra-low latency, increased bandwidth, and advanced acceleration capabilities, making it ideal for demanding workloads such as big data analytics, distributed computing, and storage networking.
Key Features
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Dual-Port 100GbE Connectivity – Supports two QSFP28 ports for ultra-fast networking.
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PCIe 4.0 x16 Interface – Delivers double the bandwidth of PCIe 3.0, ensuring faster data transfer rates.
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RDMA Over Converged Ethernet (RoCE v2) – Enables low-latency, high-throughput data communication, ideal for HPC, AI, and storage applications.
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Enhanced Virtualization – Supports SR-IOV, NVGRE, VXLAN, and Geneve tunneling protocols for cloud and virtualized networking.
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Advanced Hardware Offloading – Reduces CPU overhead for improved performance in data-intensive tasks.
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Security & Reliability – Supports Secure Boot, firmware protection, and hardware root-of-trust security.
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Energy-Efficient Design – Optimized for low power consumption while maintaining high efficiency.
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Tall Bracket Included – Designed for standard server racks (low-profile bracket available separately).
BENEFITS of MCX516A-CDAT
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Ultra-fast PCIe 4.0 connectivity for higher bandwidth and lower latency.
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Accelerated data transfer speeds for cloud computing, hyperscale data centers, and AI workloads.
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Optimized for HPC environments, providing seamless performance in distributed computing.
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RoCE v2 support for high-speed, lossless networking in AI and storage applications.
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Advanced security features ensure data integrity in enterprise and cloud environments.
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Supports NVMe-over-Fabrics (NVMe-oF) for high-speed storage networking.
Technical Specifications: MCX516A-CDAT
| Parameter | Specification |
|---|---|
| Model | MCX516A-CDAT |
| Network Speed | 100GbE |
| Ports | 2 × QSFP28 |
| Interface | PCIe 4.0 x16 |
| RDMA Support | RoCE v2 |
| Virtualization | SR-IOV, VXLAN, NVGRE, Geneve |
| Hardware Offloading | Yes |
| Security Features | Secure Boot, Hardware Root-of-Trust |
| Form Factor | Standard with Tall Bracket (low-profile option available) |
| Power Consumption | Low Power Design |
| Operating Temperature | 0°C to 55°C |
| Compliance | RoHS, IEEE 802.3 |
Applications
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High-Performance Computing (HPC) – Provides ultra-low latency and high throughput for AI, deep learning, and scientific computing.
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Enterprise & Cloud Data Centers – Ensures high-speed, reliable networking for cloud infrastructure.
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Virtualized Environments – Supports cloud-native and multi-tenant workloads with network acceleration.
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Storage Networking & NVMe-oF – Optimized for fast data transfer in storage systems.
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AI & Machine Learning Workloads – Enhances real-time processing and distributed computing performance.
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