Mellanox MCX512A-ACUT ConnectX-5 – Dual-Port 25GbE PCIe 3.0 x8 Network Interface Card

✅ Key Features

• Model: MCX512A-ACUT – High-performance dual-port 25GbE network adapter from Mellanox's ConnectX-5 series
• Interface: PCI Express 3.0 x8 for high-throughput and low-latency communication
• Ports: Two SFP28 ports supporting full-duplex 25GbE connections
• Form Factor: Low-profile PCIe card suitable for a wide range of server configurations
• Bandwidth: Supports up to 50Gbps aggregate throughput for data-heavy applications
• Advanced Features: RDMA over Converged Ethernet (RoCE v2), VXLAN offload, and iSCSI offload
• SR-IOV Support: Hardware-assisted virtualization and enhanced network performance
• Latency: Ultra-low latency ideal for high-frequency trading and real-time analytics
• OS Compatibility: Supports major operating systems including Windows Server, Linux, and VMware
• Workload Optimization: Ideal for AI/ML, deep learning, and big data processing
• Data Efficiency: Offloads protocol processing from CPU to network adapter
• Reliability: Designed for 24/7 operation in enterprise and cloud environments
• Cooling: Passive heat sink optimized for server airflow and thermal control
• Build Quality: Built with enterprise-grade components for long-term reliability
• Condition: Brand New – factory-sealed and original Mellanox product

📦 Description

The Mellanox MCX512A-ACUT ConnectX-5 network adapter is a dual-port 25 Gigabit Ethernet NIC engineered for high-performance and mission-critical data center environments. Built on the trusted ConnectX-5 architecture, it integrates PCIe 3.0 x8 connectivity with advanced networking capabilities, offering exceptional throughput and efficiency. This makes it a top choice for enterprises needing uncompromising speed and functionality.

Designed for heavy workloads like artificial intelligence, machine learning, big data, and cloud-scale operations, the adapter features support for Remote Direct Memory Access (RDMA), RoCE v2, VXLAN offloads, and more. These offload capabilities free up valuable CPU resources and streamline network-intensive tasks for faster, more reliable performance across distributed systems.

Its dual SFP28 ports support 25GbE full-duplex connectivity, enabling high-bandwidth applications in virtualized and storage-heavy environments. With SR-IOV support and a low-profile design, the MCX512A-ACUT integrates easily into modern data center architectures, providing powerful networking in compact rack servers or scalable cloud deployments.

Whether upgrading a legacy system or building a new cloud-native architecture, the MCX512A-ACUT delivers enterprise-class network acceleration and robust performance. Its reliable operation and enhanced feature set make it a strategic investment for IT infrastructure poised for rapid data growth and application expansion.

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