NVIDIA MCX623105AN-VDAT

Overview

The NVIDIA MCX623105AN-VDAT is a high-performance network adapter designed to deliver reliable and ultra-fast connectivity for servers in cloud and enterprise data centers. Featuring a single QSFP56 port capable of up to 200 gigabits per second throughput and a PCI Express 4.0 x16 interface, it supports a wide range of Ethernet link speeds from 10G to 200G. This adapter is tailored for environments that prioritize low latency and efficient packet processing without onboard cryptographic functions, making it ideal for workloads such as virtualization, distributed storage, AI clusters, and real-time analytics.

Key features

• Single-port QSFP56 design that simplifies cabling and supports up to 200 Gbps throughput for high-bandwidth applications
• PCI Express 4.0 x16 interface providing a broad data path to minimize bottlenecks and maintain consistent performance
• Flexible support for multiple Ethernet link rates (10G, 25G, 40G, 50G, 100G, and 200G) allowing gradual infrastructure upgrades
• Absence of onboard cryptographic engines to reduce latency and focus on fast packet processing, suitable for external security solutions
• Optimized for cloud service providers, enterprise data centers, and HPC environments requiring low CPU overhead and high throughput

Key specs

• Network interface: Single QSFP56 port
• Maximum throughput: 200 Gbps aggregated bandwidth
• PCI Express version: 4.0 x16
• Supported Ethernet speeds: 10G, 25G, 40G, 50G, 100G, 200G
• Onboard cryptography: None (VDAT variant)
• Latency: Low latency operation optimized for sensitive workloads

Connectivity and compatibility

This adapter integrates seamlessly into modern server architectures using the PCIe 4.0 x16 slot, ensuring wide compatibility with current enterprise and cloud infrastructure. The single QSFP56 port supports a variety of Ethernet link speeds, enabling flexible deployment across different network setups and allowing IT teams to upgrade network speeds without replacing hardware.

• QSFP56 port supports multiple Ethernet standards for versatile network integration
• Compatible with servers requiring high-speed, low-latency network connections
• Designed to work with external security appliances or software-based encryption solutions

Performance and reliability

By focusing on fast packet processing and minimizing CPU utilization, this network adapter ensures that demanding applications such as microservices, containerized workloads, and financial trading platforms operate smoothly. The lack of onboard cryptographic engines reduces latency, making it a strong choice for environments where every microsecond counts. Its robust design supports consistent performance under heavy network traffic, which is critical for enterprise and research data centers.

Ideal uses and environments

The NVIDIA MCX623105AN-VDAT fits well in cloud service provider infrastructures, enterprise data centers, and high-performance computing clusters. It is particularly suited for setups that require scalable network speeds, low latency, and efficient CPU usage. Organizations running large-scale virtualization, distributed storage, AI workloads, or real-time analytics will find this adapter meets their performance and upgrade needs without unnecessary cryptographic overhead.

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