Mellanox MCX4131A-BCAT ConnectX-4 Lx EN Network Interface Card
The Mellanox MCX4131A-BCAT ConnectX-4 Lx EN is a high-performance, single-port 40GbE QSFP28 network interface card (NIC) designed for data centers, cloud computing, enterprise networking, and high-performance computing (HPC). Featuring PCIe 3.0 x8 connectivity, it delivers low-latency, high-throughput networking, making it ideal for demanding workloads.
Key Features
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40GbE Single-Port Connectivity – Supports high-speed QSFP28 networking for enhanced bandwidth.
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PCIe 3.0 x8 Interface – Ensures fast and efficient data transmission with minimal bottlenecks.
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Low Latency & High Throughput – Optimized for data-intensive applications, including AI and cloud networking.
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RDMA Over Converged Ethernet (RoCE) – Reduces CPU overhead and improves network performance.
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Virtualization Support – Compatible with SR-IOV, NVGRE, VXLAN, and Geneve for cloud and virtualization environments.
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Energy Efficient Design – Optimized for low power consumption while maintaining high performance.
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Tall Bracket Included – Suitable for rack-mounted servers (low-profile bracket available separately).
Features
- 1/10 Gb/s speeds
- Single and dual-port options
- Virtualization
- Low latency RDMA over Converged Ethernet (RoCE)
- Multi-Host technology connects up to 4 independent hosts
- CPU offloading of transport operations
- Application offloading
- PeerDirect communication acceleration
- Hardware offloads for NVGRE, VXLAN and GENEVE encapsulated traffic
- End-to-end QoS and congestion control
- Hardware-based I/O virtualization
- RoHS compliant
- ODCC compatible
- Various form factors available
Benefits
- High performance boards for applications requiring high bandwidth, low latency and high message rate
- Industry leading throughput and latency for Web 2.0, Cloud and Big Data applications
- Smart interconnect for x86, Power, ARM, and GPU-based compute and storage platforms
- Cutting-edge performance in virtualized overlay networks
- Efficient I/O consolidation, lowering data center costs and complexity
- Virtualization acceleration
- Power efficiency
BENEFITS of MCX4131A-BCAT
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Superior network performance for demanding data center applications.
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Accelerates storage and compute workloads with high-speed connectivity.
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Ideal for cloud and virtualized environments requiring scalability.
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Supports next-generation AI, ML, and HPC workloads with low-latency networking.
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Energy-efficient design reduces operating costs in high-density deployments.
Technical Specifications: MCX4131A-BCAT
| Parameter | Specification |
|---|---|
| Model | MCX4131A-BCAT |
| Network Speed | 40GbE |
| Ports | 1 × QSFP28 |
| Interface | PCIe 3.0 x8 |
| RDMA Support | RoCE |
| Virtualization | SR-IOV, VXLAN, NVGRE, Geneve |
| Form Factor | Standard with Tall Bracket (low-profile option available) |
| Power Consumption | Low Power Design |
| Operating Temperature | 0°C to 55°C |
| Compliance | RoHS, IEEE 802.3 |
Applications
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Enterprise Networking – High-speed and reliable connectivity for business-critical applications.
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Cloud & Virtualized Environments – Optimized for large-scale cloud computing and virtualization workloads.
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High-Performance Computing (HPC) – Supports AI, machine learning, and research applications.
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Storage Networks – Enables fast and efficient data transfer for NAS and SAN solutions.
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Telecommunications & Edge Computing – Delivers low-latency, high-bandwidth connectivity for distributed networks.
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