The "NVIDIA ConnectX MCX556A ECUT" is a high performance network adapter card that is part of NVIDIA's ConnectX series. Here's an overview of its key features:

1. Introduction:

  The ConnectX MCX556A ECUT is designed for high speed data center networking, providing low latency and high throughput for applications such as high frequency trading, big data analytics, and cloud computing.

2. Speed:

  It supports 100GbE (100 Gigabit Ethernet) speeds, which is suitable for demanding applications that require rapid data transfer.

3. Interface Type:

  The card features SFP28 (Small Form factor Pluggable 28) interfaces, which are commonly used for 100GbE connections.

4. Hardware Interface:

  It uses the QSFP28 (Quad Small Form factor Pluggable) form factor, which allows for four SFP28 ports to be combined into a single module, thus supporting 100GbE speeds.

5. Chip Type System:

  The ConnectX MCX556A ECUT is based on NVIDIA's Mellanox technology, which is known for its high performance networking solutions. The specific chip used in this adapter is the NVIDIA ConnectX 5, which is designed to handle the demands of next generation data centers.

6. Other Features:

  RDMA (Remote Direct Memory Access): Supports RDMA over Converged Ethernet (RoCE), which allows for direct memory access from one computer to another without involving the operating system, reducing latency and increasing performance.

  Virtio: Supports Virtio, a standard for virtual devices that can be used in virtualization environments.

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

  Reliability: It includes features to ensure high reliability, such as error correction and fault tolerance.

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

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