Mellanox MCX4121A-ACAT ConnectX-4 Lx 25GbE SFP28 PCIe Ethernet Adapter (CX4121A)

Overview:

The Mellanox ConnectX-4 Lx is a high-performance 25Gb Ethernet (25GbE) network interface card (NIC) designed for use in servers and high-performance computing environments. The MCX4121A-ACAT model is part of the ConnectX-4 Lx series, offering 25Gbps network speeds over SFP28 optical or copper connections. It uses a PCIe Gen3 interface, making it a versatile option for both data centers and enterprise environments that require high throughput and low latency networking.

Key Features:

• Data Rate: Supports 25GbE Ethernet, offering high-speed data transmission suitable for demanding workloads like big data analytics, cloud computing, and high-performance computing (HPC).
• SFP28 Connectivity: Equipped with an SFP28 port, the card supports both fiber-optic and copper cables for flexibility in network setup and deployment.
• PCIe Gen3 x8: The adapter uses a PCI Express 3.0 x8 interface for maximum bandwidth, providing efficient data transfer between the adapter and the host system.
• Low Latency: The ConnectX-4 Lx adapter delivers ultra-low latency, which is critical for applications that require fast network communication, such as database management, trading platforms, and virtualization.
• Offload Engine: Integrated hardware offload engines for RDMA (Remote Direct Memory Access) and iSCSI (Internet Small Computer System Interface), enabling higher network efficiency and lower CPU utilization.
• Enhanced Performance: Supports offloading for protocols like iSCSI and RoCEv2 (RDMA over Converged Ethernet), improving overall network throughput and reducing host CPU load.
• Virtualization Support: Provides VMware and Microsoft Hyper-V virtualization support, making it an excellent choice for cloud and virtualized environments.
• Energy Efficient: Low power consumption and efficient design reduce operational costs, making it ideal for environments with a large number of servers.
• Backward Compatibility: Compatible with previous Ethernet generations, ensuring versatility in mixed-generation networks.

Applications:

• High-Performance Computing (HPC): Ideal for large-scale data centers and research environments that demand high network performance and low latency.
• Cloud Environments: The 25GbE speeds and hardware offload capabilities are perfect for virtualized data centers and private cloud infrastructures.
• Data Centers: Optimized for heavy traffic environments, supporting demanding applications such as big data, storage, and database management.
• Enterprise Networking: For enterprises looking to build a fast, reliable, and efficient network infrastructure.

Technical Specifications:

• Model: MCX4121A-ACAT
• Interface: PCIe Gen3 x8
• Network Speed: 25GbE (25 Gbps)
• Port Type: SFP28 (Supports both fiber and copper connections)
• Chipset: Mellanox ConnectX-4 Lx
• Form Factor: Full Height, Low Profile Bracket
• Connector Type: SFP28 (single-port)
• Supported Technologies:
  • RDMA (Remote Direct Memory Access)
  • iSCSI (Internet Small Computer System Interface)
  • RoCEv2 (RDMA over Converged Ethernet)
  • Virtualization (SR-IOV, NVGRE, VXLAN)
• Power Consumption: < 25W
• Supported Protocols: Ethernet, RDMA, iSCSI, RoCEv2
• Compatibility: Works with Linux, Windows, and VMware ESXi operating systems.

Benefits:

• Scalability: Can be easily scaled to meet the growing needs of data centers, offering excellent bandwidth with low latency.
• Future-Proofing: Designed to handle modern data throughput demands, supporting 25GbE for next-gen applications and high-bandwidth environments.
• Cost Efficiency: Reduces total cost of ownership (TCO) by providing high-performance networking at a lower price point than higher-end solutions, with energy-efficient designs.
• Ease of Integration: The PCIe Gen3 x8 interface ensures compatibility with a wide range of servers and platforms, providing a seamless upgrade path from older networking solutions.

Package Includes:

• Mellanox ConnectX-4 Lx 25GbE SFP28 PCIe Adapter (MCX4121A-ACAT)
• Low-Profile Bracket for small-form-factor servers
• Driver and software support (Linux, Windows, VMware)

Summary:

The Mellanox MCX4121A-ACAT ConnectX-4 Lx 25GbE SFP28 PCIe Ethernet Adapter (CX4121A) is a powerful, high-performance network interface card designed to meet the needs of modern data centers, enterprises, and cloud environments. With 25GbE speeds, low latency, and support for advanced offloading technologies like RDMA and RoCEv2, this adapter ensures your network can handle demanding workloads efficiently. It’s a reliable solution for scaling your infrastructure and supporting high-throughput applications.