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MCX4121A-ACAT ConnectX®-4 Lx EN Nic Network Interface Card 25GbE Dual Port SFP28

Categories Mellanox Network Card
Brand Name: Mellanox
Model Number: MCX4121A-ACAT
MOQ: 1pcs
Price: Negotiate
Payment Terms: T/T
Packaging Details: outer box
Supply Ability: Supply by project/batch
products Status: Stock
Application: Server
Condition: new and original
Type: wired
Max Speed: 25Gb/s
name: Mellanox Network Card MCX4121A-ACAT ConnectX®-4 Lx EN Network Interface Card, 25GbE Dual-Port SFP28
keywords: Mellanox Network Card
Delivery Time: Based on inventory
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MCX4121A-ACAT ConnectX®-4 Lx EN Nic Network Interface Card 25GbE Dual Port SFP28

Mellanox ConnectX-4 Lx EN Network Adapter MCX4121A-ACAT

Premium Dual-Port 25GbE Network Card

The Mellanox ConnectX-4 Lx EN MCX4121A-ACAT represents the pinnacle of Ethernet adapter technology, delivering exceptional bandwidth and ultra-low latency for demanding enterprise environments. This advanced network card features dual 25GbE ports with comprehensive hardware offloading capabilities, making it ideal for data-intensive applications, cloud infrastructure, and high-performance computing clusters. With its robust feature set and reliable performance, this NIC card establishes new standards for efficiency in modern data center deployments.

Technical Specifications

ParameterSpecification
Product ModelMCX4121A-ACAT
Interface TypeDual SFP28 ports
Data Rates10/25GbE per port
Host InterfacePCIe 3.0 x8
Form FactorLow Profile (includes tall bracket)
RDMA SupportRoCEv1/v2
VirtualizationSR-IOV (256 VFs)
Power Consumption<7W typical
Operating SystemsWindows, Linux, VMware, FreeBSD

Advanced Feature Set

Performance Features

  • Dual-port 25GbE connectivity
  • Hardware offload for overlay networks
  • RoCE (RDMA over Converged Ethernet)
  • PCIe 3.0 x8 host interface

Virtualization Support

  • SR-IOV with 256 virtual functions
  • Hardware-based I/O isolation
  • Multi-tenant security
  • Quality of Service (QoS) controls

Deployment Applications

This high-performance network card is ideally suited for:

  • Cloud computing infrastructure
  • Enterprise data centers
  • High-frequency trading systems
  • Big data analytics platforms
  • AI and machine learning workloads
  • Network storage solutions
  • Virtualized environments
  • High-performance computing

Technical Advantages

The ConnectX-4 Lx EN network card delivers significant benefits over conventional solutions:

  • Reduced Latency: Hardware acceleration minimizes processing delays
  • Improved Efficiency: CPU offloading enhances overall system performance
  • Enhanced Scalability: Supports growing network demands
  • Superior Reliability: Enterprise-grade components ensure continuous operation
  • Energy Efficient: Advanced power management reduces operational costs

Support & Services

We provide comprehensive support services including:

  • 24/7 technical assistance
  • Extended warranty options
  • Configuration guidance
  • Integration support
  • Firmware updates
  • Replacement services

Frequently Asked Questions

Q: What makes this network card suitable for virtualized environments?
A: The card supports SR-IOV virtualization with 256 virtual functions, providing dedicated resources and guaranteed isolation for virtual machines while maintaining high performance.

Q: Can this NIC card operate in existing 10GbE infrastructure?
A: Yes, the adapter is backward compatible with 10GbE networks, allowing seamless integration with existing infrastructure while providing a migration path to higher speeds.

Q: What management interfaces are supported?
A: The card supports standard management interfaces including NC-SI over MCTP, providing comprehensive monitoring and control capabilities.

Implementation Guidelines

For optimal performance:

  • Ensure adequate system cooling for sustained high-throughput operations
  • Use qualified optical transceivers and cables
  • Verify PCIe slot compatibility and available power
  • Update to latest firmware version before deployment
  • Configure appropriate driver settings for your specific workload

Company Overview

Company Facilities

With over a decade of industry experience, our company operates state-of-the-art manufacturing facilities supported by an expert technical team. We have established an extensive global client base through our commitment to delivering premium networking solutions at competitive prices. Our product portfolio includes leading brands such as Mellanox, Ruckus, Aruba, and Extreme, featuring genuine network switches, interface cards, wireless solutions, and comprehensive connectivity products.

We maintain substantial inventory valued at over $10 million, enabling rapid delivery of diverse product types in commercial quantities. Our service commitment extends beyond transaction completion to include continuous technical support and consultation. Our professional team has earned recognition for excellence in international markets through consistent delivery of quality solutions and reliable partnership.

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