The Mellanox MCX653105A HDAT is a high performance network interface card (NIC) designed for high speed data transmission in data centers, supercomputers, and other high performance computing environments. Here's an overview of its key features:

1. Introduction:

  The Mellanox MCX653105A HDAT is part of the Mellanox ConnectX? 6 series, which is known for its advanced features and high speed performance.

  It is designed to support InfiniBand and Ethernet networks, providing a flexible solution for various network configurations.

2. Speed:

  The card supports data transfer rates up to 200 Gbps with HDR 200 InfiniBand or 100 Gbps with 100GbE (100 Gigabit Ethernet), depending on the configuration.

  It is backward compatible with previous InfiniBand and Ethernet standards, allowing for a smooth transition and upgrade path.

3. Interface Type:

  The card uses the InfiniBand HDR (High Data Rate) interface for its high speed connectivity.

  It also supports Ethernet standards, making it versatile for different network environments.

4. Hardware Interface:

  The physical connector used by the MCX653105A HDAT is the QSFP56 (Quad Small Form factor Pluggable), which is designed to support high density cabling and high speed data transmission.

5. Chip Type System:

  The card is based on Mellanox's BlueField 2 SoC (System on Chip) architecture, which integrates both the network interface and a powerful ARM processor.

  This architecture allows for advanced features such as in network computing, security, and virtualization, which can offload tasks from the host CPU and improve overall system performance.

6. Additional Features:

  The card supports various advanced networking features, including RDMA (Remote Direct Memory Access), which enables high speed, low latency data transfer directly between memory modules of different systems.

  It also supports virtualization technologies such as SR IOV (Single Root I/O Virtualization) and NVGRE (Network Virtualization using Generic Routing Encapsulation), which can improve the efficiency of virtualized environments.

7. Use Cases:

  The Mellanox MCX653105A HDAT is ideal for use in high performance computing clusters, where high speed, low latency network connectivity is critical.

  It is also used in data centers for tasks that require high bandwidth and low latency, such as big data analytics, machine learning, and real time financial transactions.

Please note that specific details such as the exact model number, firmware version, and other technical specifications may vary and should be confirmed with the manufacturer or a reliable datasheet for the most accurate and up to date information.

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