The "NVIDIA ConnectX MCX4111A ACUT" is a high performance network adapter card designed for data centers and high speed networking applications. Here's an introduction to the key features of this adapter:

1. Introduction:

  The NVIDIA ConnectX 4 series of network adapters are designed to deliver high speed, low latency connectivity for applications such as cloud computing, big data analytics, and high performance computing (HPC).

  The MCX4111A ACUT is part of this series and is optimized for use in InfiniBand networks, which are known for their high throughput and low latency.

2. Speed:

  The ConnectX 4 100Gb/s EDR (Enhanced Data Rate) InfiniBand Adapters provide data rates of up to 100 Gbps, which is twice the speed of the previous generation of InfiniBand adapters.

3. Interface Type:

  The MCX4111A ACUT features a QSFP28 (Quad Small Form factor Pluggable) connector, which supports four 25 Gbps lanes, allowing for a total of 100 Gbps bandwidth.

4. Hardware Interface:

  It supports PCIe 3.0 (Peripheral Component Interconnect Express) interface, which is a high speed serial computer expansion bus standard for attaching hardware devices to a computer.

  The card is designed to work with PCIe 3.0 x16 slots to maximize the throughput and performance.

5. Chip Type System:

  The ConnectX 4 series is based on NVIDIA's NVL3200 ASIC (Application Specific Integrated Circuit), which is optimized for InfiniBand and RoCE (RDMA over Converged Ethernet) applications.

  The NVL3200 ASIC is designed to provide high performance, low latency, and high efficiency for data intensive applications.

6. Other Features:

  RDMA (Remote Direct Memory Access): The adapter supports RDMA, which allows data to be transferred directly between the memory of two computers without involving the processor, reducing latency and increasing throughput.

  Energy Efficiency: The ConnectX 4 series is designed with energy efficiency in mind, offering advanced power management features to reduce power consumption.

  Virtualization Support: It supports virtualization technologies, allowing multiple virtual machines to share the adapter for improved resource utilization.

  Quality of Service (QoS): The adapter supports QoS features to prioritize network traffic, ensuring that critical applications receive the bandwidth they need.

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

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