E810-2CQDA2 Intel 2 Ports Ethernet PCI Express Adapter

Overview of Intel E810-2CQDA2 PCIE 4.0 x16 Network Adapter 

The INTEL E810-2CQDA2 Network Adapter is a high-performance Ethernet connectivity solution engineered for modern data centers, cloud infrastructures, enterprise networks, and high-bandwidth computing environments. Featuring dual QSFP28 ports and PCI Express 4.0 x16 connectivity, this advanced network interface card delivers exceptional throughput, low latency, and intelligent acceleration technologies to support demanding workloads.

Designed to handle next-generation networking requirements, the adapter supports multiple Ethernet speeds ranging from Gigabit Ethernet up to 100 Gigabit Ethernet. Its scalable architecture enables organizations to optimize network performance while maintaining flexibility for future infrastructure expansion.

General Information

• Manufacturer: Intel
• Part Number: E810-2CQDA2
• Product Type: Network Adapter

Technical Specifications

• Form Factor: Plug-in Card
• Bus Interface: PCI Express 4.0 x16
• PCIe Revision: PCIe 4.0
• Network Ports: 2 × QSFP28
• Connectivity Technology: Wired
• Maximum Aggregate Throughput: 200 Gbps

Supported Ethernet Standards

• Gigabit Ethernet (1GbE)
• 10 Gigabit Ethernet (10GbE)
• 25 Gigabit Ethernet (25GbE)
• 50 Gigabit Ethernet (50GbE)
• 100 Gigabit Ethernet (100GbE)

Network Protocol Compatibility

• DDP (Dynamic Device Personalization)
• iWARP RDMA
• RoCE v2
• SNMP Management
• RMON Monitoring

The Intel E810-2CQDA2 PCIE 4.0 Ethernet Adapter Details

The Intel E810-2CQDA2 network adapter is engineered for organizations that require ultra-fast Ethernet connectivity, advanced workload acceleration, and scalable infrastructure support. Designed around the latest Intel Ethernet Controller E810 architecture, this adapter delivers exceptional networking performance through dual QSFP28 interfaces while leveraging the bandwidth advantages of a PCI Express 4.0 x16 host interface. As modern data centers continue to evolve toward cloud-native architectures, software-defined networking, virtualization, and artificial intelligence workloads, network infrastructure components must provide greater throughput, lower latency, and enhanced operational efficiency.

The Intel E810-2CQDA2 adapter addresses these requirements by enabling high-bandwidth communications between servers, storage systems, and network fabrics. Organizations deploying large-scale virtualization platforms, hyper-converged infrastructure, high-performance computing environments, and enterprise cloud solutions benefit from the advanced capabilities integrated into this Ethernet adapter. Its architecture supports modern networking standards while providing administrators with the flexibility required to optimize network resources across diverse deployment scenarios.

Advanced Intel Ethernet Controller Architecture

At the heart of the Intel E810-2CQDA2 resides the Intel Ethernet Controller E810 family architecture, which introduces significant enhancements over previous-generation Ethernet adapters. The controller is designed to accelerate packet processing operations while reducing CPU utilization, enabling servers to dedicate more processing resources to business-critical applications. This architecture supports intelligent traffic management, workload isolation, and network virtualization technologies that improve overall infrastructure efficiency.

The controller's advanced packet handling capabilities help organizations maintain consistent network performance even under demanding workloads. Through intelligent queue management and hardware acceleration features, the adapter can efficiently process large volumes of network traffic while minimizing bottlenecks commonly associated with traditional networking hardware. This capability becomes increasingly valuable in environments supporting cloud services, virtual machines, containerized applications, and distributed computing frameworks.

Dual QSFP28 Connectivity Advantages

The dual QSFP28 interfaces incorporated into the Intel E810-2CQDA2 provide substantial connectivity flexibility for enterprise and service provider environments. QSFP28 technology enables high-density networking deployments while supporting modern Ethernet speeds required by today's data-intensive applications. By integrating two QSFP28 ports, the adapter allows organizations to establish redundant network connections, increase aggregate bandwidth, and improve overall network resilience.

Dual-port configurations are particularly beneficial for mission-critical environments where uninterrupted network availability is essential. Network administrators can configure link aggregation, failover mechanisms, and load-balancing strategies to maximize both performance and reliability. The availability of two high-speed interfaces also supports multi-network architectures where separate traffic types can be isolated for security, compliance, or performance optimization purposes.

QSFP28 connectivity further enhances deployment flexibility by supporting a variety of compatible optical transceivers and direct attach cable solutions. This adaptability allows organizations to design networking infrastructures that align with specific performance requirements, distance considerations, and budget objectives without compromising scalability.

PCI Express 4.0 x16 Interface Performance Benefits

The PCIe 4.0 x16 host interface represents a critical component of the Intel E810-2CQDA2's performance capabilities. As Ethernet speeds continue to increase, network adapters require host interfaces capable of transferring data efficiently between network controllers and server processors. PCIe 4.0 technology significantly increases available bandwidth compared to previous PCIe generations, ensuring that high-speed network traffic can be processed without introducing host-side bottlenecks.

By utilizing sixteen PCIe lanes operating under the PCIe 4.0 specification, the adapter gains access to substantial data transfer capacity. This enables organizations to fully leverage modern Ethernet networking capabilities while supporting intensive workloads such as distributed databases, large-scale virtualization clusters, machine learning environments, and high-performance storage networks.

Optimized Server Integration

Server integration remains a crucial consideration when deploying high-performance networking hardware. The Intel E810-2CQDA2 is designed to integrate seamlessly with modern enterprise servers featuring PCIe 4.0 expansion capabilities. This compatibility enables organizations to maximize infrastructure investments while simplifying deployment processes and minimizing operational complexity.

The adapter's architecture supports efficient communication with contemporary server processors and memory subsystems, creating a balanced platform capable of handling demanding enterprise workloads. This integration contributes to improved application responsiveness, reduced latency, and enhanced overall system efficiency.

Support for Software-Defined Networking

Software-defined networking has emerged as a fundamental technology for modern infrastructure management. The Intel E810-2CQDA2 supports SDN environments by providing flexible networking capabilities that integrate with software-based network control frameworks. Administrators gain greater visibility into network operations while benefiting from centralized policy management and automated provisioning capabilities.

These features simplify network administration and help organizations adapt quickly to changing business requirements. By enabling programmable networking capabilities, the adapter contributes to more agile infrastructure operations and improved resource utilization.

Security and Network Isolation Features

Security remains a top priority for organizations deploying networking infrastructure. The Intel E810-2CQDA2 incorporates capabilities that support secure network operations while enabling effective traffic segmentation and isolation. These features help organizations implement comprehensive security strategies that align with modern regulatory and operational requirements.

Network isolation technologies allow administrators to separate workloads based on business functions, security classifications, or compliance requirements. This separation helps reduce potential attack surfaces while simplifying the implementation of access control policies and monitoring procedures.

Secure Multi-Tenant Environments

Cloud providers and enterprise organizations often operate multi-tenant environments where multiple users, departments, or customers share common infrastructure resources. The Intel E810-2CQDA2 supports secure multi-tenant deployments through advanced networking capabilities that maintain traffic separation and enforce policy controls.

These features contribute to stronger security postures while enabling efficient resource sharing. Organizations can support diverse workloads on shared infrastructure without compromising isolation requirements or operational flexibility.

Consistent Network Availability

Organizations require networking components capable of maintaining performance around the clock. The module supports continuous operation and helps ensure that critical infrastructure remains connected and accessible.