The "MCX4121A XCAT MCX4121A ACAT ConnectX 4 Dual Port 10 Gigabit Ethernet Adapter Card" is a high performance network interface card (NIC) designed for use in servers and high speed networking applications. Here's an overview of its key features:

1. Introduction:

  The ConnectX 4 series from Mellanox Technologies is known for its advanced performance and reliability. The MCX4121A XCAT and MCX4121A ACAT are part of this series, offering dual port 10 Gigabit Ethernet connectivity.

2. Speed:

  The card supports 10 Gigabit Ethernet speeds, which translates to 10 Gbps (gigabits per second) per port, allowing for high throughput data transfer.

3. Interface Type:

  The card provides dual port 10 Gigabit Ethernet connectivity, typically using SFP+ (Small Form factor Pluggable) transceivers, which are hot swappable and support various media types and distances.

4. Hardware Interface:

  The physical interface for the SFP+ ports allows for the connection of optical or copper SFP+ modules, depending on the network infrastructure and distance requirements.

5. Chip Type:

  The ConnectX 4 series is based on Mellanox's fourth generation ASIC (Application Specific Integrated Circuit) technology, which is designed to deliver high performance, low latency, and high reliability for data centers and high performance computing (HPC) environments.

6. System Compatibility:

  The card is designed to be compatible with a wide range of server systems and operating systems, including those from major vendors like Dell, HPE, and IBM, as well as various Linux distributions and Windows Server versions.

7. Additional Features:

  The ConnectX 4 series is known for its support of advanced networking features such as RDMA (Remote Direct Memory Access) over Converged Ethernet (RoCE), which can significantly reduce latency and improve performance in certain applications.

  The cards also support virtualization technologies, allowing for efficient use of network resources in virtualized environments.

8. Power Consumption and Efficiency:

  The ConnectX 4 series is designed with power efficiency in mind, offering advanced power management features to help reduce overall energy consumption in data centers.

9. Support and Warranty:

  Mellanox provides support and warranty for their products, ensuring that users have access to technical assistance and replacement parts if needed.

For the most accurate and up to date specifications, it's always best to refer to the manufacturer's datasheet or product documentation, as features and capabilities can evolve over time with firmware updates and new product revisions.

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