Description
Product Overview
The MCX416A-BCAT Mellanox Connectx-4 EN Network Interface Card (NIC) is a high-performance network interface card designed to provide high-speed connectivity for data center applications. This NIC is based on the PCI Express interface, which is a high-speed, low-latency serial bus that provides high bandwidth and low latency connectivity between the CPU and the peripheral devices.
PCI Express Interface
The PCI Express interface is a high-speed, low-latency serial bus that provides high bandwidth and low latency connectivity between the CPU and the peripheral devices. The PCI Express interface is used in many modern computer systems, including desktops, servers, and embedded systems. The PCI Express interface is based on a point-to-point topology, which means that each peripheral device is connected directly to the CPU, and there is no need for a shared bus or bridge.
The PCI Express interface supports multiple lanes, which are used to increase the bandwidth of the interface. Each lane of the PCI Express interface provides a data rate of up to 8 Gbps in each direction, which means that a x16 lane PCI Express interface can provide a total bandwidth of up to 128 Gbps. The PCI Express interface also supports advanced features such as DMA, MSI, and MSI-X, which allow devices to directly access system memory and reduce the CPU overhead.
Mellanox Connectx-4 EN NIC
The Mellanox Connectx-4 EN NIC is a high-performance network interface card designed to provide high-speed connectivity for data center applications. This NIC is based on the PCI Express interface and supports the latest Ethernet standards, including 10GbE, 25GbE, 40GbE, and 100GbE. The Mellanox Connectx-4 EN NIC is designed to provide low-latency and high-bandwidth connectivity, which is essential for modern data center applications that require high-performance networking.
The Mellanox Connectx-4 EN NIC uses advanced technologies such as RDMA (Remote Direct Memory Access), which allows data to be transferred directly from the NIC to the application’s memory without involving the CPU. This technology reduces the latency of data transfers and improves the overall performance of the system. The Mellanox Connectx-4 EN NIC also supports advanced features such as SR-IOV (Single Root I/O Virtualization), which allows multiple virtual machines to share a single physical NIC without impacting the performance.
Performance
The Mellanox Connectx-4 EN NIC provides high-speed connectivity for data center applications and is capable of delivering up to 100 Gbps of bandwidth. This makes it suitable for applications that require high-bandwidth and low-latency connectivity, such as data analytics, high-performance computing, and cloud computing.
The Mellanox Connectx-4 EN NIC also provides low-latency connectivity, which is essential for applications that require real-time processing of data. The Mellanox Connectx-4 EN NIC supports RDMA, which allows data to be transferred directly from the NIC to the application’s memory without involving the CPU. This technology reduces the latency of data transfers and improves the overall performance of the system.
General information about the Mellanox MCX416A-BCAT
- Manufacturer: Mellanox
- Part Number or SKU # MCX416A-BCAT
- Product type: Network Interface Card
- Product line: connectx-4
Technical information
- Form factor: plug-in card
- Expansion slot type: QSFP
- Host interface: pci express 3.0 x16
- Total number of ports: 2
Media & performance
- Media type supported: optical fiber
Network & communication
- Network technology: 40gbase-x







