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Home Networking Networking Cards Mellanox MCX512A-ACUT Dual Port 25GbE Network Card

Mellanox MCX512A-ACUT Dual Port 25GbE Network Card

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The Mellanox MCX512A-ACUT ConnectX-5 EN network adapter provides dual-port 10/25GbE connectivity with SFP28 interfaces, PCIe 3.0 x8 performance, UEFI support, and advanced RoCE acceleration. Ideal for enterprise servers, cloud platforms, virtualization, and high-performance data center networking.

OVERVIEW

  • The Mellanox MCX512A-ACUT ConnectX-5 EN Network Interface Card is designed for organizations that require high-bandwidth Ethernet connectivity, low-latency communication, and scalable infrastructure performance. Featuring dual SFP28 ports supporting both 10GbE and 25GbE networking, the adapter enables efficient deployment across enterprise data centers, cloud environments, storage networks, and virtualized infrastructures.
  • With PCIe 3.0 x8 connectivity, UEFI support for both x86 and ARM platforms, and advanced networking technologies such as RoCE and RoCEv2, the MCX512A-ACUT helps improve application performance while reducing CPU overhead. Its enterprise-focused design makes it suitable for demanding workloads where reliability, scalability, and network efficiency are critical.

USE CASES

  • Enterprise data center networking
  • Cloud infrastructure deployments
  • Virtualization platforms
  • Hyper-converged infrastructure (HCI)
  • Software-defined networking (SDN)
  • Storage networking environments
  • Database clustering
  • AI and analytics workloads
  • Network virtualization
  • Private cloud environments
  • Backup and disaster recovery networks
  • High-density server deployments
  • Hybrid cloud architectures

KEY FEATURES

  • Mellanox ConnectX-5 EN architecture
  • Dual-port 10/25GbE Ethernet connectivity
  • SFP28 network interfaces
  • PCI Express 3.0 x8 host connection
  • UEFI-enabled for x86 and ARM platforms
  • Supports RoCE and RoCEv2 technologies
  • Compatible with Linux, Windows, and FreeBSD
  • 1GB onboard DDR4 memory
  • Support for NVGRE and VXLAN overlays
  • Optimized for virtualization and cloud deployments
  • Typical power consumption of 12W
  • Enterprise-class reliability with 2 million hour MTBF
  • RoHS-compliant design

TECHNICAL SPECIFICATIONS

  • Brand: Mellanox
  • Model: MCX512A-ACUT
  • Product Type: Network Interface Card (NIC)
  • Network Interface: ConnectX-5 EN
  • Ethernet Speed: 10/25GbE
  • Port Configuration: Dual-Port
  • Connector Type: SFP28
  • Bus Interface: PCI Express 3.0 x8
  • Form Factor: Tall Bracket
  • UEFI Support: UEFI Enabled (x86 and ARM)
  • Supported Operating Systems: Linux, Windows, FreeBSD
  • Memory: 1GB On-board DDR4
  • Supported Protocols: RoCE, RoCEv2, NVGRE, VXLAN
  • Power Consumption: 12W Typical
  • Operating Temperature: 0°C to 55°C
  • MTBF: 2,000,000 Hours
  • Compliance: RoHS
  • Dimensions: 167.6 mm x 68.9 mm

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