Mellanox MCX512A-ACAT ConnectX-5 EN PCIe 3.0 x8 25G Network Adapter

Mellanox

MCX512A-ACAT ConnectX-5 EN PCIe 3.0 x8 25G Network Adapter

The MellanoxMCX512A-ACAT ConnectX-5 EN 25G Network Adapter delivers next-generation connectivity with superior throughput, low latency, and advanced offload capabilities for modern data centers. Built on MellanoxConnectX-5 architecture, this adapter provides 25GbE Ethernet performance over PCIe 3.0 x8, making it ideal for high-performance computing (HPC), cloud, storage, and enterprise workloads.

Features

The MCX512A-ACAT offers an unparalleled combination of performance, scalability, and efficiency. Supporting 25 Gigabit Ethernet connectivity, it enables data centers to accelerate their most demanding applications, including machine learning, artificial intelligence, storage platforms, and virtualization.

Advanced Options

With advanced RDMA over Converged Ethernet (RoCE v2) and Overlay Network Offloads (VXLAN, NVGRE, Geneve), this adapter ensures efficient networking with lower CPU utilization. Its hardware-based offloads for transport and security improve application performance, while end-to-end QoS and traffic shaping guarantee predictable throughput. Compact and power-efficient, the MCX512A-ACAT helps enterprises and cloud providers reduce total cost of ownership while meeting the growing demands for scalable and secure 25G Ethernet networking.

Product Key Features

1. 25GbE Ethernet Network Adapter

2. PCI Express 3.0 x8 interface

3. Based on ConnectX-5 architecture

4. RDMA over Converged Ethernet (RoCE v2) support

5. Overlay network offloads: VXLAN, NVGRE, Geneve

6. Hardware-based transport, storage, and security offloads

7. Low latency and high throughput for demanding workloads

8. End-to-end QoS and congestion control

9. Optimized for cloud, HPC, and enterprise deployments

10. Compact and power-efficient design

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Reliability & Performance

The MellanoxConnectX-5 EN family is trusted for enterprise-grade reliability and scalability. The MCX512A-ACAT ensures consistent 25Gbps throughput with low latency and efficient CPU utilization. It supports high-demand applications such as real-time analytics, AI/ML workloads, cloud-scale virtualization, and next-gen storage. With advanced security and congestion control, this adapter delivers dependable networking performance for mission-critical environments.

Key Features

• Model: MCX512A-ACAT

• Series: MellanoxConnectX-5 EN

• Form Factor: PCIe Network Interface Card

• Interface: PCI Express 3.0 x8

• Network Speed: 25 Gigabit Ethernet

• Ports: Single-port SFP28

• Offload Capabilities: RDMA over Converged Ethernet (RoCE v2), Overlay Network Offloads (VXLAN, NVGRE, Geneve)

• Security: Hardware encryption & offloads

• Latency: Ultra-low, optimized for HPC and data center workloads

• Power Efficiency: Designed for low power consumption

• Warranty: Manufacturer Warranty Included

Specifications :

Specification	Details
Model Number	MCX512A-ACAT
Series	MellanoxConnectX-5 EN
Form Factor	PCIe Network Interface Card
Interface	PCI Express 3.0 x8
Network Speed	25GbE
Port Type	1 × SFP28
Offload Capabilities	RoCE v2, VXLAN, NVGRE, Geneve
Security Features	Hardware-based encryption/offloads
Latency	Ultra-low
Use Case	Cloud, HPC, AI/ML, Storage, Enterprise
Warranty	Manufacturer Warranty