The Mellanox MCX556A ECUT is a high performance network adapter card designed for data centers and high performance computing (HPC) environments. Here's an overview of its key features:

1. Introduction:

The Mellanox MCX556A ECUT is part of the ConnectX 6 series, which is known for its advanced capabilities in providing high throughput and low latency connectivity. It is designed to support the most demanding applications by offering high data transfer rates and efficient data movement.

2. Speed:

The MCX556A ECUT supports speeds up to 100Gb/s (100 Gigabit per second) using the EDR (Enhanced Data Rate) InfiniBand technology. This high speed connectivity allows for rapid data transfer, which is crucial for applications such as big data analytics, machine learning, and scientific simulations.

3. Interface Type:

The card uses the InfiniBand interface, which is a switched fabric network technology used for high performance computing. It is known for its high data transfer rates, low latency, and high reliability, making it ideal for interconnecting servers and storage systems in a data center.

4. Hardware Interface:

The MCX556A ECUT features a QSFP28 form factor, which supports multiple high speed serial lanes. This allows for the use of various cable types and lengths, providing flexibility in network design.

5. Chip Type System:

The card is based on Mellanox's BlueField SoC (System on Chip) architecture, which integrates both the network interface and a powerful ARM processor. This allows for advanced features such as in network computing, where data processing can be offloaded from the host CPU to the network adapter, reducing latency and improving overall system performance.

6. Additional Features:

  RoCE (RDMA over Converged Ethernet): Supports RDMA over Ethernet, which allows for direct memory access across the network without involving the host CPU, further reducing latency and increasing throughput.

  Virtualization: Capable of supporting virtualization technologies, allowing multiple virtual machines to share the network adapter efficiently.

  Energy Efficiency: Designed with energy efficiency in mind, the MCX556A ECUT helps reduce power consumption in data centers.

  Reliability: Incorporates advanced error correction and detection mechanisms to ensure data integrity and system reliability.

The Mellanox MCX556A ECUT is a powerful network adapter that is well suited for environments where high speed data transfer and low latency are critical, such as in data centers, HPC, and cloud computing applications.

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