Mellanox MCX512A-ADAT
The Mellanox MCX512A-ADAT is a high-performance network interface card (NIC) based on the ConnectX-5 Ex EN controller, offering dual 25 Gigabit Ethernet (25GbE) ports via SFP28 interfaces. Designed for data center, enterprise, and cloud deployments, it supports PCI Express Gen 3.0 and 4.0 on an x8 lane interface, enabling high throughput and low latency for demanding workloads such as virtualization, storage acceleration, and SDN/NFV environments.
Key Highlights of MCX512A-ADAT
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Dual 25GbE SFP28 Ports
Supports two high-speed Ethernet connections for scalable bandwidth and network redundancy. -
PCIe Gen 3.0/4.0 x8 Interface
Ensures compatibility with a wide range of systems, while delivering the bandwidth needed for dual 25Gbps connections. -
Based on ConnectX-5 Ex EN Silicon
Enhanced offload, virtualization, and tunneling capabilities with built-in encryption and security acceleration. -
Tall Bracket Included
Full-height bracket suitable for standard server installations in enterprise racks and enclosures. -
Advanced Virtualization and Cloud Support
Features like SR-IOV, RoCE, and NVGRE/VXLAN tunneling optimize performance in virtualized environments.
Technical Specifications of MCX512A-ADAT
| Specification | Details |
|---|---|
| Product | ConnectX-5 Ex EN Network Interface Card |
| Model Number | MCX512A-ADAT |
| Ports | 2x SFP28 (25GbE each) |
| Max Data Rate | 2x 25 Gbps (50Gbps aggregate) |
| Interface | PCIe Gen 3.0/4.0 x8 |
| Controller | ConnectX-5 Ex EN |
| Bracket Type | Full Height (Tall) |
| Form Factor | Add-in Card |
| Cooling | Passive |
| Protocols Supported | RoCE, RDMA, NVGRE, VXLAN, SR-IOV |
| Boot Mode | PXE, UEFI (BIOS-bootable) |
Core Features
• Dual 25GbE Throughput
Enable fast, redundant, and scalable networking with two SFP28 ports—ideal for high-density environments.
• PCIe Gen 4.0 Support
Future-proof your infrastructure with support for both Gen 3.0 and Gen 4.0 PCIe, maximizing performance in newer platforms.
• Advanced Offloading Capabilities
Offloads TCP/UDP/IP tasks and supports virtualization features such as SR-IOV to reduce CPU overhead.
• Hardware-Based Security
Built-in encryption engines support IPsec and TLS offloads to enhance data security without sacrificing speed.
• Flexible Deployment
Compatible with various operating systems and server platforms with UEFI boot capability.
Benefits of MCX512A-ADAT
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High Performance and Low Latency
Designed for data-intensive workloads like AI training, virtualization, and large-scale storage access. -
Efficient Resource Utilization
Offloading and tunneling reduce CPU load and improve application responsiveness. -
Secure and Scalable Networking
Enables secure, high-throughput links between clustered nodes, VMs, or containers. -
Versatile Platform Support
Suitable for both legacy systems and cutting-edge server platforms thanks to PCIe Gen3/4 compatibility.
Use Case Scenarios
• Cloud Data Centers MCX512A-ADAT
Leverage dual 25GbE ports for east-west traffic, VM migrations, and high-throughput applications.
• Virtualized Environments
Boost performance with SR-IOV and network offloading technologies, ideal for hypervisors and container platforms.
• Storage Networking (NVMe-oF, iSCSI, etc.)
Reduce latency and maximize throughput for distributed and flash-based storage infrastructures.
• AI and High-Performance Computing (HPC)
Meet the bandwidth demands of machine learning pipelines and scientific computing clusters.
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