The Mellanox MCX512A ACUT is a high performance network adapter designed for high speed data transmission and communication in data centers, supercomputers, and other high performance computing environments. Here's an overview of its key features:

1. Introduction:

  The Mellanox MCX512A ACUT is part of Mellanox's ConnectX series, which is known for its advanced performance and reliability in Ethernet and InfiniBand networks.

  It is designed to support the latest high speed networking standards, providing low latency and high throughput for demanding applications.

2. Speed:

  The MCX512A ACUT supports 100Gb/s (100 Gigabit per second) data transfer rates, which is suitable for applications that require high bandwidth and fast data processing.

3. Interface Type:

  This adapter uses the QSFP28 (Quad Small Form factor Pluggable 28) interface, which is a compact, high density optical transceiver that can support 100Gb/s speeds over four 25Gb/s lanes.

4. Hardware Interface:

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

  The MCX512A ACUT is designed to work with PCIe 3.0 or higher, ensuring compatibility with a wide range of modern servers and workstations.

5. Chip Type System:

  Mellanox's ConnectX 5 EN network adapter features the MT27700/MT27710 ASIC (Application Specific Integrated Circuit), which is designed to deliver high performance and low latency for Ethernet and InfiniBand networks.

  The chip supports advanced features such as RDMA (Remote Direct Memory Access) over Converged Ethernet (RoCE), which allows for direct memory access from one computer to another without involving the host's CPU, thus reducing latency and increasing performance.

6. Additional Features:

  The adapter may also support virtualization technologies, enabling multiple virtual machines to share the same physical network adapter.

  It is likely to have advanced error correction and flow control mechanisms to ensure reliable data transmission.

  Energy efficiency is often a focus in Mellanox products, with features designed to reduce power consumption without sacrificing performance.

Please note that specific details such as the exact model number, firmware version, and other technical specifications can vary, and it's always recommended to check the latest datasheets or product documentation from Mellanox for the most accurate and up to date information.

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