Mellanox CX516A ConnectX-5 EN 100-Gigabit Ethernet Adapter New
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CX516A
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overview
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CX516A Overview
MELLANOX CX516A Connectx-5 En - Network Card - Pci Express 3.0 X16 - 100 Gigabit Ethernet Qsfp X 2.
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Specifications
Overview
| Condition | New |
|---|---|
| Brand | Mellanox |
| Stock | In Stock |
Key Features
| Device Type | Network Adapter |
|---|---|
| Form Factor | Plug-in Card |
| Interface (bus) Type | Pci Express 3.0 X16 |
| Pci Specification Revision | Pcie 3.0 |
| Ports | 100 Gigabit Qsfp28 X 2 |
| Connectivity Technology | Wired |
| Data Link Protocol | Gige, 10 Gige, 40 Gigabit Lan, 100 Gigabit Ethernet , 25 Gigabit Lan, 50 Gigabit Lan |
| Data Transfer Rate | 100 Gbps |
Frequently Asked Questions
What are the primary performance benefits of the Mellanox CX516A ConnectX-5 adapter? +
The Mellanox CX516A offers exceptional performance by utilizing 100GbE connectivity to minimize latency and maximize throughput. Designed for high-performance computing and cloud data centers, it leverages advanced hardware offloads for NVMe over Fabrics, RoCE, and DPDK, ensuring that CPU overhead is significantly reduced while accelerating complex networking tasks in demanding virtualized environments.
Does the Mellanox CX516A support RoCE for low-latency networking? +
Yes, this adapter fully supports RDMA over Converged Ethernet (RoCE). By enabling direct data transfers between application memory of remote servers without involving the operating system or CPU, it achieves extremely low latency. This is critical for high-frequency trading, storage clusters, and large-scale AI training workloads where every microsecond of latency reduction impacts overall application performance.
Which interface slot does the Mellanox CX516A require for installation? +
The CX516A is engineered for high-bandwidth PCIe slots, specifically designed to interface with the PCIe Gen3 or Gen4 standards. To achieve the full 100GbE throughput potential of the card, it is highly recommended to install the adapter into an x16 PCIe slot. This ensures the bus provides sufficient bandwidth to prevent bottlenecks during intensive data processing.
Is the Mellanox CX516A compatible with both Linux and Windows environments? +
Mellanox provides robust driver support for a wide range of operating systems, including major Linux distributions and Windows Server editions. The CX516A integrates seamlessly into these environments through the standard Mellanox OFED software stack, allowing administrators to manage and deploy the NIC efficiently across diverse, heterogeneous data center infrastructures without compatibility issues.
What is the primary use case for deploying a ConnectX-5 100GbE adapter? +
This adapter is purpose-built for enterprise-grade environments that require massive bandwidth, such as software-defined storage, large-scale virtualization, and intensive database workloads. Its ability to offload complex transport protocols makes it an ideal choice for modern data centers moving toward 100GbE backbones, providing the necessary density and agility to handle skyrocketing traffic demands efficiently.
How does the CX516A handle network virtualization and encapsulation? +
The card features advanced hardware-based offloads for encapsulation protocols like VXLAN, NVGRE, and GENEVE. By offloading the processing of these virtualized network headers from the host CPU to the NIC silicon, the CX516A maintains high performance in virtualized environments, ensuring that network virtualization does not compromise the overall compute power of your server nodes.
Can the CX516A be used for high-frequency trading or financial applications? +
Absolutely. The combination of its 100GbE high-speed interface and sub-microsecond latency capabilities makes the CX516A a premier choice for financial sector deployments. Its hardware offloading features, including SR-IOV and intelligent interrupt coalescing, allow it to process packets with the extreme precision and speed required for latency-sensitive trading platforms and real-time market data analysis.
Are there specific power requirements I should consider for this NIC? +
While the CX516A is designed to be power-efficient relative to its throughput, it is a high-performance 100GbE device. You should ensure your server chassis provides adequate airflow for passive cooling and that your power supply units can handle the additional draw associated with high-speed PCIe peripheral cards. Always check your server’s thermal management guidelines before integration.
How can I obtain a bulk quote for multiple Mellanox CX516A units? +
If you are planning a large-scale data center upgrade or require a high quantity of CX516A adapters, you can easily request a personalized bulk quote through our website. Simply navigate to the product page and use the inquiry form to provide your quantities. Our dedicated sales team will evaluate your requirements and offer a competitive pricing structure tailored to your specific project needs.
Why should I purchase Mellanox networking hardware from BuyRouterSwitch.com? +
BuyRouterSwitch.com is a trusted source for professional-grade networking equipment. When you purchase the CX516A from us, you benefit from our specialized focus on enterprise hardware and streamlined ordering processes. We prioritize secure transactions and provide a professional platform for procurement, ensuring that your critical IT infrastructure components are sourced reliably and delivered efficiently to support your organizational goals.
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