MCX556M-ECAT-S25

Network Adapters
October 22, 2025
Category Connection: Network Adapters
Brief: Discover the Mellanox MCX556M-ECAT-S25 ConnectX-5 VPI 100GbE PCIe Network Interface Card, designed for high-performance server applications. Featuring dual-port SFP28, PCIe 3.0 x8 compatibility, and support for 100GbE Ethernet and EDR InfiniBand, this card delivers 200Gb/s aggregate bandwidth with advanced hardware acceleration.
Related Product Features:
  • Dual-port QSFP28 interface supporting 100GbE Ethernet and EDR InfiniBand.
  • PCIe 3.0 x8 bus interface, compatible with PCIe 4.0 for high-speed data transfer.
  • Supports RDMA/RoCE v2 and hardware acceleration for efficient data processing.
  • Passive cooling design ensures silent and reliable operation.
  • Compatible with Linux, Windows, and VMware operating systems.
  • OCP 2.0 compliant and supports socket direct dual-socket servers.
  • 8 virtual lanes plus VL15 for optimized traffic management.
  • Delivers 100Gb/s per port with 200Gb/s aggregate bandwidth.
Faqs:
  • What operating systems are supported by the Mellanox MCX556M-ECAT-S25?
    The card is compatible with Linux, Windows, and VMware operating systems.
  • Does the Mellanox MCX556M-ECAT-S25 support RDMA?
    Yes, it supports RDMA/RoCE v2 for high-performance data transfer.
  • What is the maximum bandwidth of the Mellanox MCX556M-ECAT-S25?
    The card delivers 100Gb/s per port with an aggregate bandwidth of 200Gb/s.