MCX623105AN-VDAT Mellanox 1-port Adapter Card 200GBE Qsfp56 Pcie

Mellanox MCX623105AN-VDAT 200GbE 1-Port Adapter Overview

The Mellanox MCX623105AN-VDAT ConnectX-6 Dx EN adapter is a high-performance 200GbE Ethernet network interface card engineered for modern enterprise data centers, cloud computing platforms, artificial intelligence workloads, virtualization, and high-performance computing (HPC) environments. Featuring a single QSFP56 interface and PCI Express 4.0 x16 connectivity, this adapter delivers exceptional bandwidth, ultra-low latency, and reliable network performance for demanding applications. Designed with crypto disabled and secure boot disabled capabilities, the adapter provides organizations with a specialized networking solution that complies with specific deployment and regulatory requirements while maintaining outstanding throughput and efficiency.

The ConnectX-6 Dx architecture enables organizations to maximize server utilization, accelerate storage traffic, improve virtualization efficiency, and support next-generation Ethernet networking. Whether deployed in hyperscale data centers, enterprise servers, cloud infrastructures, or storage networks, the MCX623105AN-VDAT provides scalable connectivity across multiple Ethernet speeds while ensuring seamless compatibility with existing network environments.

General Specifications of Mellanox MCX623105AN-VDAT

• Manufacturer: Mellanox
• Part Number: MCX623105AN-VDAT
• Product Type: Network Adapter
• Dimensions: 5.59 x 2.71 inches (142.00 x 68.90 mm)
• Single QSFP56 connector
• Supports optical and copper media

Operating Environment

• Operating temperature: 0°C to 55°C
• Storage temperature: -40°C to 70°C
• Operating humidity: 10% to 85% relative humidity
• Storage humidity: 10% to 90% relative humidity
• Operational altitude up to 3050 meters

Key Features

• 200GbE maximum Ethernet bandwidth
• Single QSFP56 networking interface
• PCI Express 4.0 x16 connectivity
• Supports optical and copper Ethernet connections
• Broad compatibility from 1GbE through 200GbE
• Ultra-low latency networking
• High throughput for AI and HPC workloads
• RoHS compliant design
• Crypto disabled configuration
• Secure boot disabled configuration
• Optimized for enterprise, cloud, storage, and virtualization environments

High-Speed 200GbE Ethernet Connectivity

• Single QSFP56 Ethernet port
• Supports copper and optical transceivers
• Maximum Ethernet speed up to 200GbE
• Backward compatibility with lower Ethernet speeds
• Optimized for enterprise and hyperscale deployments

Broad Ethernet Speed Compatibility

• 1 Gigabit Ethernet
• 10 Gigabit Ethernet
• 25 Gigabit Ethernet
• 40 Gigabit Ethernet
• 50 Gigabit Ethernet
• 100 Gigabit Ethernet
• 200 Gigabit Ethernet

PCIe Features

• PCI Express Gen 4.0 x16 interface
• 16 GT/s signaling rate
• Sixteen PCIe lanes
• Backward compatible with PCIe Gen3
• Compatible with PCIe 2.0 and PCIe 1.1 systems

Supported Ethernet Standards

• 200GBASE-CR4
• 200GBASE-KR4
• 200GBASE-SR4
• 100GBASE-CR4
• 100GBASE-KR4
• 100GBASE-SR4
• 100GBASE-CR2
• 100GBASE-KR2
• 100GBASE-SR2
• 50GBASE-R2
• 50GBASE-R4
• 40GBASE-CR4
• 40GBASE-KR4
• 40GBASE-SR4
• 40GBASE-LR4
• 40GBASE-ER4
• 40GBASE-R2
• 25GBASE-R
• 20GBASE-KR2
• 10GBASE-SR
• 10GBASE-LR
• 10GBASE-ER
• 10GBASE-CR
• 10GBASE-KR
• 10GBASE-CX4
• 1000BASE-CX
• 1000BASE-KX
• SGMII

Ideal Deployment Scenarios

• Enterprise data centers
• Cloud computing platforms
• Artificial intelligence infrastructure
• Machine learning clusters
• High-performance computing environments
• Virtualized servers
• Software-defined networking
• Storage area networks
• Network-attached storage
• Large-scale virtualization clusters

Power Specifications

• Auxiliary voltage: 3.3V
• Maximum auxiliary current: 100mA
• Typical power consumption: 16.94W using PCIe Gen4 passive cables
• Maximum power consumption: 24W using PCIe Gen4 passive cables
• Maximum QSFP56 port power: 5W

Cooling Requirements

• Passive cable airflow requirement: 600 LFM
• Active 4.55W cable airflow requirement: 950 LFM
• Hot aisle airflow direction from heatsink toward port

Mellanox MCX623105AN-VDAT ConnectX-6 Dx EN Adapter Card

The Mellanox MCX623105AN-VDAT ConnectX-6 Dx EN adapter card is a high-performance Ethernet networking solution engineered for modern enterprise, cloud, artificial intelligence, machine learning, high-performance computing, and large-scale data center environments. Built around NVIDIA Mellanox ConnectX-6 Dx technology, this advanced network interface card delivers exceptional throughput with a single 200GbE QSFP56 port while leveraging the bandwidth of a PCI Express 4.0 x16 host interface. The No Crypto edition is specifically designed for deployments where hardware cryptographic acceleration is not required, making it suitable for organizations with regional compliance requirements, simplified networking policies, or infrastructure that relies on software-based security implementations.

As network traffic continues to increase due to virtualization, distributed computing, cloud-native applications, storage expansion, and AI-driven workloads, organizations require a network adapter capable of minimizing latency while maximizing bandwidth efficiency. The MCX623105AN-VDAT provides consistent performance across demanding environments, supporting advanced packet processing, intelligent offloading technologies, hardware acceleration features, and efficient traffic management capabilities that significantly reduce CPU utilization while increasing overall server performance.

Advanced ConnectX-6 Dx Ethernet Architecture

The ConnectX-6 Dx architecture represents an evolution in Ethernet connectivity by combining intelligent networking capabilities with industry-leading throughput. Designed for next-generation server platforms, the controller integrates sophisticated packet acceleration technologies that allow applications to process data more efficiently without overloading host processors.

The adapter is optimized for enterprise-scale computing environments where high-speed networking plays a critical role in application responsiveness, storage communication, virtualization, and cloud infrastructure. By integrating advanced hardware acceleration engines directly into the adapter, organizations can achieve lower latency, increased throughput, and improved scalability while maintaining predictable network performance under heavy workloads.

Purpose-Built for Modern Data Centers

Today's data centers demand significantly more from networking hardware than previous generations. Applications such as artificial intelligence training, machine learning inference, distributed databases, software-defined storage, virtualization clusters, edge computing, and real-time analytics generate enormous amounts of network traffic that traditional network adapters struggle to process efficiently.

The MCX623105AN-VDAT addresses these challenges through intelligent hardware acceleration, deep packet processing capabilities, advanced queue management, and optimized data movement technologies. These capabilities enable servers to process millions of packets per second while minimizing processor overhead and maintaining application responsiveness.

200GbE High-Speed Ethernet Performance

The integrated 200 Gigabit Ethernet interface provides exceptional bandwidth for bandwidth-intensive applications. As organizations consolidate workloads and increase server density, higher-speed Ethernet adapters become essential for maintaining application performance and eliminating network bottlenecks.

The single QSFP56 interface supports high-capacity networking infrastructure while simplifying cable management and reducing the number of physical network interfaces required within modern server platforms. High-bandwidth connectivity enables faster data synchronization, accelerated storage communication, improved virtualization efficiency, and enhanced cloud service delivery.

Single-Port QSFP56 Connectivity

Flexible High-Speed Optical Infrastructure

The QSFP56 interface supports a wide range of compatible optical transceivers and direct attach copper cables, allowing network architects to build highly flexible infrastructure tailored to specific deployment requirements. Whether connecting top-of-rack switches, aggregation layers, storage fabrics, or high-performance computing clusters, the QSFP56 interface delivers outstanding signal integrity and transmission efficiency.

The flexibility of the QSFP56 ecosystem allows organizations to select media options that best suit cable distance, environmental conditions, scalability objectives, and operational budgets while maintaining compatibility with existing Ethernet standards.

Scalable Network Expansion

As enterprise environments continue expanding, scalable networking becomes increasingly important. The MCX623105AN-VDAT provides a future-ready networking foundation capable of supporting evolving workloads without requiring immediate infrastructure replacement. Organizations can standardize on high-speed Ethernet while preparing for increasing application bandwidth requirements across cloud computing, virtualization, and AI deployments.

PCI Express 4.0 x16 Host Interface

The PCI Express 4.0 x16 interface provides substantial host bandwidth that complements the adapter's 200GbE networking capabilities. PCIe Gen4 significantly increases communication bandwidth between the server processor and the network adapter, preventing internal bus limitations from restricting network performance.

Servers equipped with PCIe 4.0 technology benefit from improved data movement, lower communication latency, faster packet processing, and enhanced application responsiveness. These advantages become increasingly valuable in environments processing large datasets, virtualization workloads, storage traffic, and distributed computing applications.

Optimized Server Communication

The high-bandwidth PCIe architecture enables efficient communication between processors, memory subsystems, storage controllers, GPUs, and networking hardware. This balanced design ensures that high-speed Ethernet connectivity remains fully utilized even during sustained network-intensive operations.

Low-Latency Networking Capabilities

Latency remains one of the most critical performance metrics for enterprise applications. The ConnectX-6 Dx platform minimizes communication delays through hardware optimizations that accelerate packet forwarding, queue management, interrupt handling, and direct memory access operations.

Applications including financial trading, scientific computing, real-time analytics, distributed databases, virtualization platforms, and cloud-native services benefit significantly from consistently low network latency. Faster communication between servers improves transaction processing, application responsiveness, and user experience while supporting increasingly complex distributed architectures.

Efficient Packet Processing

Rather than relying solely on server CPUs for packet handling, the adapter performs many networking functions directly within dedicated hardware. This intelligent processing model reduces CPU overhead while improving throughput and allowing processor resources to remain focused on business-critical applications.

Hardware Acceleration Technologies

Intelligent Network Offloading

The MCX623105AN-VDAT incorporates numerous hardware acceleration technologies that streamline network operations and reduce computational demands on host processors. Hardware offloading accelerates checksum calculations, packet segmentation, packet aggregation, receive-side scaling, and various transport-level networking functions.

By moving repetitive networking tasks away from general-purpose processors, organizations achieve improved application density, better virtualization efficiency, lower processor utilization, and higher overall server productivity.

Enhanced CPU Resource Allocation

Reducing CPU involvement in networking operations enables servers to allocate more computational resources toward application execution, database processing, virtualization, artificial intelligence, analytics, and business services. This improved resource allocation translates directly into higher infrastructure efficiency and lower operational costs.

Virtualization Performance Enhancement

Virtualized environments require network adapters capable of supporting numerous virtual machines with predictable performance. The ConnectX-6 Dx architecture includes virtualization-aware technologies that enable secure and efficient communication between multiple workloads while maintaining high throughput and low latency.

Virtual machine migration, software-defined networking, hypervisor integration, and virtual storage traffic all benefit from intelligent hardware acceleration designed specifically for highly virtualized infrastructure.

Cloud Infrastructure Optimization

Private cloud, hybrid cloud, and public cloud deployments require scalable networking capable of supporting dynamic workload allocation. The adapter enables cloud operators to maintain high levels of network performance while supporting multi-tenant environments, container orchestration platforms, and virtual network overlays.

Storage Networking Applications

Software-Defined Storage Performance

Software-defined storage platforms generate substantial east-west traffic between storage nodes and application servers. The MCX623105AN-VDAT provides the bandwidth and reliability necessary to maintain consistent storage performance across distributed environments.

High-speed Ethernet connectivity accelerates replication, backup operations, disaster recovery synchronization, storage virtualization, and clustered file system communication. Organizations benefit from reduced backup windows, faster recovery operations, and improved storage responsiveness.

Data Availability Improvements

Reliable storage networking directly impacts business continuity. High-performance network adapters ensure storage traffic remains uninterrupted while supporting redundancy, failover, and continuous availability across enterprise infrastructure.

No Crypto Edition Advantages

The No Crypto variant is intended for deployments where hardware cryptographic acceleration is unnecessary or restricted by organizational policies, export regulations, or regional compliance requirements. This version preserves the exceptional networking performance of the ConnectX-6 Dx platform while excluding integrated hardware cryptographic functionality.

Organizations implementing software-managed encryption, external security appliances, or specialized security architectures can deploy the No Crypto edition while maintaining high-speed Ethernet performance and intelligent networking capabilities.

Regulatory Flexibility

Different countries and industries maintain varying requirements regarding cryptographic technologies. The No Crypto edition simplifies procurement and deployment in environments where hardware encryption capabilities are not desired while preserving compatibility with modern enterprise networking infrastructure.

Enterprise Reliability and Availability

Enterprise networking hardware must deliver continuous operation under demanding workloads. The MCX623105AN-VDAT is engineered for reliability through robust hardware design, intelligent error detection, advanced diagnostics, and consistent thermal performance suitable for continuous data center operation.

Organizations operating mission-critical services require predictable networking behavior during sustained high-bandwidth workloads. The adapter supports continuous packet processing while maintaining stable performance across extended operational periods.

Operational Efficiency

Efficient hardware architecture contributes to lower maintenance requirements, simplified infrastructure management, and improved long-term operational stability. Network administrators benefit from comprehensive monitoring capabilities that simplify troubleshooting and performance optimization throughout the adapter's deployment lifecycle.

Integration with Enterprise Networking Infrastructure

Compatibility Across Modern Platforms

The MCX623105AN-VDAT integrates seamlessly with contemporary enterprise servers supporting PCI Express 4.0 expansion. The adapter complements high-density virtualization hosts, GPU computing platforms, enterprise storage servers, cloud infrastructure, database servers, and high-performance computing systems.

Its standards-based Ethernet implementation simplifies deployment within existing network architectures while providing an upgrade path toward higher-performance infrastructure. Organizations can integrate the adapter into existing switching environments supporting QSFP56 connectivity and high-speed Ethernet technologies.

Long-Term Infrastructure Investment

Investing in high-performance networking hardware allows organizations to support future workload growth without frequent infrastructure replacement. The ConnectX-6 Dx platform provides the scalability, performance, efficiency, and enterprise-class reliability required for evolving digital transformation initiatives, cloud expansion strategies, AI infrastructure development, virtualization growth, software-defined networking, and next-generation data center modernization.