The Mellanox MCX556A ECAT is a high performance network interface card (NIC) designed for high speed data transmission and communication in data centers, high performance computing (HPC), and other demanding environments. Here's an overview of its key features:

1. Introduction:

  The Mellanox MCX556A ECAT is part of Mellanox's ConnectX? 6 series, which is known for its advanced features and performance in Ethernet and InfiniBand networks.

2. Speed:

  The card supports 200Gb/s (200 Gbps) of bidirectional throughput, which is achieved through the combination of 100Gb/s Ethernet (100GE) and 100Gb/s InfiniBand (HDR 100) capabilities.

3. Interface Type:

  It provides a QSFP56 (Quad Small Form factor Pluggable) interface, which is a compact, high density optical transceiver used for 100GbE and InfiniBand connections.

4. Hardware Interface:

  The card is designed to work with PCIe Gen 4.0 (16x), ensuring compatibility with the latest server architectures and providing high bandwidth for data intensive applications.

5. Chip Type System:

  The MCX556A ECAT utilizes Mellanox's BlueField 2 SoC (System on Chip), which is a powerful processor designed for networking, storage, and security applications. The BlueField 2 SoC includes ARM cores, high speed I/O, and advanced security features.

6. Additional Features:

  RoCE (RDMA over Converged Ethernet): Supports RDMA, which allows for low latency and high throughput data transfer directly from one computer's memory to another without involving the CPU.

  Virtio Forwarding: Enables virtualization of the NIC, allowing for more efficient use of resources in virtualized environments.

  Energy Efficient: Mellanox NICs are designed with energy efficiency in mind, reducing power consumption without sacrificing performance.

  Advanced Networking Features: Includes support for advanced networking features such as flow control, virtual LANs (VLANs), and jumbo frames.

7. Use Cases:

  The MCX556A ECAT is ideal for applications that require high speed data transfer, such as big data analytics, machine learning, artificial intelligence, and scientific research.

8. Compatibility:

  The card is designed to be compatible with a wide range of operating systems, including Linux, Windows, and various Unix based systems, ensuring broad applicability across different environments.

9. Support and Drivers:

  Mellanox provides comprehensive support and a range of drivers to ensure optimal performance and compatibility with various applications and systems.

The Mellanox MCX556A ECAT is a cutting edge solution for organizations that require the highest levels of performance and reliability in their network infrastructure. Its combination of high speed data transfer capabilities, advanced features, and energy efficiency make it a top choice for demanding applications.

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