Mellanox MCX4431A-GCAN ConnectX-4 LX EN Network Interface Card for OCP with Host Management 50GbE Single-Port QSFP28 PCIe3.0 x8 RoHS R6
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MCX4431A-GCAN
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MCX4431A-GCAN Overview
MELLANOX MCX4431A-GCAN Connectx-4 Lx En Network Interface Card For Ocp With Host Management 50gbe Single-port Qsfp28 Pcie3.0 X8 Rohs R6.
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Frequently Asked Questions
What are the primary performance specifications of the Mellanox MCX4431A-GCAN? +
The Mellanox MCX4431A-GCAN is a high-performance ConnectX-4 Lx adapter designed to deliver 40GbE connectivity. It utilizes a PCIe 3.0 x8 host interface to ensure high-bandwidth data transfer, significantly reducing latency and CPU overhead. This makes it an ideal choice for data centers, cloud platforms, and high-performance computing environments requiring robust and scalable network performance.
Which port configuration does the MCX4431A-GCAN utilize for network connectivity? +
This network interface card features a single QSFP28 port. This physical interface supports 40GbE speeds, providing high-density connectivity in a compact form factor. By utilizing the QSFP28 standard, users benefit from versatile cabling options, allowing for easy integration into existing fiber-optic or copper-based data center infrastructures without needing extensive re-cabling.
Is the MCX4431A-GCAN compatible with virtualization environments? +
Yes, this card is fully optimized for virtualization. It supports advanced offloading technologies such as SR-IOV (Single Root I/O Virtualization), which allows for direct assignment of the NIC to virtual machines. This functionality significantly improves virtual machine networking performance while reducing the processing burden on the host hypervisor, ensuring efficient resource utilization in heavily virtualized deployments.
Does the Mellanox MCX4431A-GCAN support RoCE for storage networking? +
Absolutely. The ConnectX-4 Lx architecture natively supports RDMA over Converged Ethernet (RoCE). This technology enables low-latency, high-throughput storage networking by allowing direct memory access between server applications, bypassing the traditional TCP/IP stack. Implementing RoCE via this adapter is an excellent strategy for boosting storage performance in NVMe-over-Fabrics or general enterprise storage area network environments.
What is the typical use case for a 40GbE single-port NIC like the MCX4431A-GCAN? +
This card is best suited for compute-intensive workloads that require high throughput but do not necessarily require the redundancy of dual-port configurations. Common scenarios include edge computing, dedicated database servers, and small-to-midsize cluster nodes where optimizing bandwidth for a single network path is critical to maintaining low-latency data flow for real-time application processing.
What management features are available for this Mellanox NIC? +
This adapter is fully compatible with the Mellanox NEO management software, allowing administrators to automate network provisioning and monitoring. It supports industry-standard drivers and management interfaces, ensuring seamless integration with various operating systems. The card also includes built-in diagnostic tools that assist in monitoring link health, power consumption, and thermal status during standard enterprise operations.
Does the MCX4431A-GCAN require specific firmware updates for deployment? +
While the card functions out of the box with standard drivers, it is highly recommended to align the firmware version with your current operating system and kernel specifications. Mellanox provides regular firmware releases that offer critical security patches, feature enhancements, and optimized performance profiles to ensure the card maintains peak reliability within high-traffic enterprise network infrastructures.
How does the ConnectX-4 Lx series improve reliability in server environments? +
Reliability is enhanced through advanced hardware-based offloads that minimize host-based errors. By handling packet processing and protocol encapsulation on the adapter itself, the MCX4431A-GCAN reduces the risk of system instability during heavy traffic spikes. This design ensures that server resources remain focused on application logic rather than routine network task management, leading to a more stable overall compute environment.
Can I request a bulk quote for multiple MCX4431A-GCAN units? +
Yes, BuyRouterSwitch.com specializes in providing competitive pricing for large-scale enterprise deployments. If you are planning a data center refresh or a large-scale project requiring multiple units, please contact our sales team directly. We are experienced in handling volume requests and will provide you with a tailored quote to meet your specific project budget and quantity requirements.
Why should I choose BuyRouterSwitch.com for my Mellanox networking hardware? +
BuyRouterSwitch.com is a trusted source for genuine enterprise networking equipment. We focus on providing a seamless procurement experience for IT professionals, ensuring you receive authentic products that meet your exact specifications. By partnering with us, you gain access to a dedicated sales team that understands the complexities of enterprise infrastructure and is committed to facilitating your procurement process with accuracy and professional care.












































