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Mellanox MCX4121A-XCAS

The Mellanox MCX4121A XCAS is a high performance network interface card (NIC) designed for high speed data transmission in data centers and high performance computing (HPC) environments. Here's an overview of its key features:

1. Introduction:

  The Mellanox MCX4121A XCAS is part of the ConnectX 4 series, which is known for its advanced features and performance in Ethernet and InfiniBand networks.

  It is designed to support the latest data center and cloud computing requirements, providing low latency and high throughput.

2. Speed:

  The card supports 100GbE (100 Gigabit Ethernet) and 50GbE (50 Gigabit Ethernet) speeds, making it suitable for the most demanding network environments.

  It is also backward compatible with 40GbE, 10GbE, and 1GbE networks, providing flexibility in network upgrades.

3. Interface Type:

  The MCX4121A XCAS features QSFP28 (Quad Small Form factor Pluggable 28) transceivers, which support the high data rates required for 100GbE and 50GbE applications.

  These transceivers are designed to be compact and energy efficient, making them ideal for high density server racks.

4. Hardware Interface:

  The card provides a PCIe 3.0 x8 interface, which is compatible with most modern server architectures.

  This interface allows for high speed data transfer between the network and the host system.

5. Chip Type System:

  The ConnectX 4 series, including the MCX4121A XCAS, is based on Mellanox's BlueField SoC (System on Chip) architecture.

  The BlueField SoC integrates advanced networking capabilities, including RDMA (Remote Direct Memory Access) over Converged Ethernet (RoCE) and InfiniBand, which can significantly reduce latency and improve performance in data intensive applications.

6. Other Features:

  RDMA Support: The card supports RDMA, which allows for direct memory access from one computer to another without involving the operating system, reducing latency and improving performance.

  Virtualization: It supports virtualization technologies such as SR IOV (Single Root I/O Virtualization) and NVGRE (Network Virtualization using Generic Routing Encapsulation), which enable multiple virtual machines to share the same physical NIC.

  Energy Efficiency: The ConnectX 4 series is designed with energy efficiency in mind, reducing power consumption while maintaining high performance.

  Reliability: Mellanox NICs are known for their reliability and robustness, with features like error correction and detection to ensure data integrity.

The Mellanox MCX4121A XCAS is a powerful networking solution for organizations that require high speed, reliable, and scalable network connectivity for their most critical applications.

Mellanox MCX4121A-XCAS

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