MCX512A-ACAT - Mellanox Network Cards
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MCX512A-ACAT
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MCX512A-ACAT Overview
Mellanox ConnectX-5 EN network interface card, 10/25GbE dual-port SFP28, PCIe3.0 x8, tall bracket MCX512A-ACAT
Overview
MCX512A-ACAT Overview
Mellanox ConnectX-5 EN network interface card, 10/25GbE dual-port SFP28, PCIe3.0 x8, tall bracket MCX512A-ACAT
Mellanox ConnectX-5 EN network interface card, 10/25GbE dual-port SFP28, PCIe3.0 x8, tall bracket
The ConnectX-5 Ethernet adapter card provides high performance and flexible solutions. ConnectX-5 delivers a range of innovative accelerations, such as Signature Handover (T10-DIF) in hardware, an embedded PCIe switch, and NVMe over Fabric target offloads. The ConnectX-5 adapter card also bring advanced Open vSwitch offloads to telecommunications and cloud data centers to drive extremely high packet rates and throughput with reduced CPU resource consumption, thus boosting data center infrastructure efficiency.
ConnectX-5 MCX512A-ACAT Ethernet network interface card provides high performance and flexible solutions with up to two ports of 25GbE connectivity, 750ns latency, up to 75 million messages per second (Mpps). For storage workloads, the 25 Gigabit Ethernet adapter card delivers a range of innovative accelerations, such as Signature Handover (T10-DIF) in hardware, an embedded PCIe Switch, and NVMe over Fabric target offloads.
Quick Spec
| Model | MCX512A-ACAT |
| Ports | Dual |
| Supported Ethernet Speeds | 25/10/1GbE |
| Host Interface | PCIe 3.0 x8 |
OS Support | Windows, RHEL/CentOS, VMware, FreeBSD, OFED and WinOF-2 |
Controller | Mellanox Technologies MT28800 Family ConnectX-5 |
Interface Type | SFP28 |
Link Rate | 8.0 GT/s |
ConnectX-5 EN Network Interface Card 10/25GbE Dual-Port SFP28 PCIe3.0 x8
- Wired
- PCI Express Fiber
- 25000 Mbit/s
- Internal
Summary Description
Mellanox Technologies MCX512A-ACAT, Internal, Wired, PCI Express, Fiber, 25000 Mbit/s
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Specification
MCX512A-ACAT Specification
| MCX512A-ACAT Specification | |
| Model | MCX512A-ACAT |
| Ports | Dual |
| Supported Ethernet Speeds | 25/10/1GbE |
| Host Interface | PCIe 3.0 x8 |
OS Support | Windows, RHEL/CentOS, VMware, FreeBSD, OFED and WinOF-2 |
Controller | Mellanox Technologies MT28800 Family ConnectX-5 |
Interface Type | SFP28 |
Link Rate | 8.0 GT/s |
Frequently Asked Questions
What are the primary performance advantages of the Mellanox ConnectX-5 MCX512A-ACAT in a data center environment? +
The MCX512A-ACAT delivers high-bandwidth 25GbE connectivity with ultra-low latency. By offloading CPU-intensive networking tasks, this ConnectX-5 card significantly enhances throughput and efficiency for cloud-native applications, storage virtualization, and high-performance computing clusters, ensuring your infrastructure scales seamlessly while maintaining optimal system resource utilization.
Is the MCX512A-ACAT compatible with existing PCIe 3.0 server architectures? +
Yes, this card is specifically engineered with a PCIe 3.0 x8 interface, ensuring full compatibility with modern enterprise server motherboards. It provides the necessary bus bandwidth to support the dual 25GbE ports, making it a reliable drop-in upgrade for enhancing network I/O performance in existing rack-mount and tower server deployments.
Does the Mellanox MCX512A-ACAT support both 10GbE and 25GbE optical transceivers? +
This adapter features dual SFP28 ports that are backward compatible with 10GbE SFP+ transceivers. This flexibility allows IT managers to deploy the card in a 10GbE infrastructure today and migrate to 25GbE speeds later without needing to replace the networking hardware, providing a clear path for future network upgrades.
What is the physical bracket configuration for this specific ConnectX-5 SKU? +
The MCX512A-ACAT comes standard with a tall, full-height bracket. This physical form factor is designed to fit standard 2U, 3U, and 4U rack-mount servers or tower workstations. Ensure your chassis has sufficient clearance for the full-height bracket before installation to avoid any physical alignment issues during deployment.
How does the MCX512A-ACAT assist with network virtualization and offloading? +
ConnectX-5 technology provides robust hardware acceleration for overlay networks, including VXLAN and GENEVE. By offloading encapsulation and decapsulation tasks directly on the card, the MCX512A-ACAT reduces CPU overhead, allowing virtual machines and containers to achieve near-line-rate network performance without compromising host processing power for critical application workloads.
What management features are available for configuring the MCX512A-ACAT in a Linux environment? +
This card is fully supported by the standard Mellanox OpenFabrics Enterprise Distribution (MOFED) driver stack. System administrators can manage port settings, firmware updates, and diagnostic logging through standard Linux utilities and Mellanox-specific tools, ensuring deep integration with popular distributions for consistent performance monitoring and network configuration across your cluster.
Can the MCX512A-ACAT be used in high-availability storage configurations? +
Absolutely. With its dual-port design, the MCX512A-ACAT is ideal for storage area networks (SAN) and software-defined storage (SDS) environments. You can configure active-active or active-standby bonding modes within the OS to provide path redundancy, ensuring that your mission-critical data remains accessible even in the event of a single port or cable failure.
What type of server workloads are best suited for the dual-port 25GbE throughput of this card? +
The MCX512A-ACAT is optimized for bandwidth-hungry workloads such as database acceleration, big data analytics, and real-time transaction processing. The 50GbE total aggregate throughput provides the necessary headroom to handle peak traffic spikes, reducing congestion in hyper-converged infrastructures where both compute and storage traffic traverse the same physical fabric.
How can I obtain a custom quote for a large volume order of Mellanox network cards from BuyRouterSwitch.com? +
For large-scale enterprise deployments, we offer competitive bulk pricing to help you meet your budget requirements. Simply contact our sales team through our website portal with your specific quantity requirements and project timeline. Our dedicated representatives will provide a tailored quote and assist with your bulk acquisition process to ensure you get the best value for your networking infrastructure.
Why should I choose BuyRouterSwitch.com as my source for Mellanox networking hardware? +
BuyRouterSwitch.com is a trusted source for authentic enterprise-grade networking components. We specialize in sourcing genuine, high-quality hardware directly to ensure full interoperability and performance within your professional environment. When you purchase from us, you benefit from our streamlined procurement process and our focus on delivering reliable, industry-standard equipment to support your organization’s complex IT infrastructure needs.
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