Mellanox MCX4121A-ACAT ConnectX-4 Lx EN 25GbE Dual-Port PCIe NIC

Fibre Channel Host Bus Adapters
September 10, 2025
Category Connection: Network Adapters
Brief: Discover the Mellanox MCX4121A-ACAT ConnectX-4 Lx EN 25GbE Dual-Port PCIe NIC, designed for high-performance virtualized infrastructure. This NIC delivers 25Gb/s Ethernet connectivity with sub-microsecond latency, ideal for Web 2.0, Cloud, and data analytics platforms. Featuring RDMA over Converged Ethernet (RoCE) and GPUDirect technology, it ensures superior efficiency and scalability.
Related Product Features:
  • Delivers 25Gb/s Ethernet connectivity for high-performance virtualized infrastructure.
  • Features dual-port design with PCIe Gen3x8 interface for superior bandwidth.
  • Supports RDMA over Converged Ethernet (RoCE) for efficient data transfer.
  • Includes GPUDirect technology for enhanced GPU communication.
  • Offers sub-microsecond latency and 75 million packets per second message rate.
  • Provides native hardware support for overlay networks and stateless offload engines.
  • Ideal for Web 2.0, Cloud, data analytics, database, and storage platforms.
  • Comes with a 1-year warranty and supports SFP28 transceivers, DAC, and AOC cabling.
Faqs:
  • Are you a trading company or manufacturer?
    We are a manufacturer.
  • How long is your delivery time?
    Generally, it is 2-5 days if the goods are in stock. For out-of-stock items, delivery takes about 10 days depending on quantity.
  • Can you offer a better price or any discount?
    Yes, we offer quantity-based discounts. Larger quantities receive more attractive pricing.
  • What is your warranty period?
    Different products have different warranties. We provide comprehensive after-sales service, including quality service and guidance services. Please contact us for specific warranty terms.
  • What's the package like?
    The product comes in original packing with an additional protective outer box to prevent damage during transportation and ensure goods arrive in perfect condition.