The NVIDIA ConnectX MCX455A FCAT is a high performance network adapter 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 ConnectX MCX455A FCAT is part of NVIDIA's ConnectX series, which is known for its advanced network interface cards (NICs) that support high speed Ethernet and InfiniBand connectivity.

  It is designed to provide low latency, high throughput connectivity, which is crucial for applications that require real time data processing and analysis.

2. Speed:

  The MCX455A FCAT supports speeds up to 100 Gbps (gigabits per second), which is suitable for applications that demand high data transfer rates.

  It is capable of handling the bandwidth requirements of modern data intensive tasks, such as machine learning, artificial intelligence, and big data analytics.

3. Interface Type:

  The adapter features a QSFP28 (Quad Small Form factor Pluggable) interface, which is a compact, high density optical transceiver used for 100GbE and other high speed networking applications.

  This interface allows for the use of various types of cables and transceivers, providing flexibility in network deployment.

4. Hardware Interface:

  The ConnectX MCX455A FCAT supports both Ethernet and InfiniBand protocols, making it versatile for different network environments.

  It is designed to work with existing network infrastructure, providing a seamless integration path for upgrading to higher speed networks.

5. Chip Type System:

  The adapter is based on NVIDIA's advanced networking technology, which includes features like RDMA (Remote Direct Memory Access) over Converged Ethernet (RoCE) and NVMe over Fabrics (NVMe oF) support.

  RDMA allows for direct memory access from one computer to another without involving the operating system, reducing latency and increasing throughput.

  NVMe oF is a protocol that enables the use of NVMe storage over a network, providing high performance storage access in a data center environment.

6. Additional Features:

  The ConnectX MCX455A FCAT also supports advanced features like flow control, congestion management, and virtualization, which are important for maintaining network stability and performance.

  It is designed to be energy efficient, with features that help reduce power consumption without sacrificing performance.

7. System Compatibility:

  The adapter is compatible with a wide range of server and storage systems, making it a versatile choice for various data center configurations.

  It is also designed to work with popular operating systems and hypervisors, ensuring broad compatibility.

Please note that specific details such as the exact model number, firmware versions, and other technical specifications may vary and should be verified with the latest data sheets or product documentation from NVIDIA.

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