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Home Networking Networking Cards Mellanox MCX4121A-XCAT ConnectX-4 Lx EN Dual-Port 10GbE NIC

Mellanox MCX4121A-XCAT ConnectX-4 Lx EN Dual-Port 10GbE NIC

Brand:
Mellanox

Enterprise-class dual-port Ethernet network interface card engineered for virtualization, cloud networking, and data center environments, delivering reliable 10GbE connectivity, low latency, and efficient PCIe 3.0 performance.

OVERVIEW

  • The Mellanox ConnectX-4 Lx EN MCX4121A-XCAT is a high-performance dual-port Ethernet network interface card designed to meet the connectivity demands of modern enterprise IT environments. Featuring dual-port 10GbE connectivity, SFP28 interfaces, and PCIe 3.0 x8 architecture, it enables fast and efficient data transfer across servers, storage platforms, and virtualized infrastructures.
  • Built for scalability and reliability, this adapter helps organizations improve network responsiveness while reducing CPU overhead through advanced hardware acceleration technologies. It is well-suited for data centers, cloud deployments, virtualization clusters, and business-critical applications requiring stable, low-latency network performance.

USE CASES

  • Enterprise server networking
  • Virtualization and hypervisor environments
  • Private and hybrid cloud infrastructure
  • Data center network modernization
  • Software-defined networking (SDN)
  • Storage networking and backup systems
  • High-availability server clusters
  • Financial and business-critical applications

KEY FEATURES

  • Dual-port 10 Gigabit Ethernet connectivity
  • SFP28 network interface support
  • PCIe 3.0 x8 host connection
  • Optimized for virtualized environments
  • Low-latency network communication
  • Efficient hardware offload capabilities
  • Reduced CPU utilization during high traffic loads
  • Enterprise-grade reliability and scalability

TECHNICAL SPECIFICATIONS

  • Brand: Mellanox
  • Model: MCX4121A-XCAT
  • Product Series: ConnectX-4 Lx EN
  • Product Type: Ethernet Network Interface Card
  • Ethernet Ports: 2 x 10GbE Ports
  • Interface Type: SFP28
  • Host Interface: PCI Express 3.0 x8
  • Form Factor: Full Height / Tall Bracket
  • Connectivity Technology: Wired Ethernet
  • Network Speed: Up to 10 Gigabit Ethernet
  • Deployment Environment: Enterprise, Cloud, Data Center
  • Virtualization Support: Yes
  • Hardware Offload: Advanced Network Acceleration
  • Server Compatibility: Industry Standard PCIe Servers

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