E810CQDA10CPT2G Intel 1-Port 100 Gigabit Ethernet Adapter.

Overview Intel E810CQDA10CPT2G 100GB Ethernet Adapter

The Intel E810CQDA10CPT2G Ethernet Adapter is a cutting-edge networking device engineered to deliver ultra-fast connectivity for enterprise-grade servers. Built on Intel’s trusted engineering excellence, this adapter is designed to support demanding workloads, cloud computing environments, and high-throughput data centers requiring stable and efficient network performance.

General Information

• Brand: Intel
• Part Number: E810CQDA10CPT2G
• Product Type: Ethernet Adapter

Technical Specifications

• Controller Chipset: Intel Ethernet Controller E810
• Data Rate: Up to 100 Gbps per port
• Port Count: 1 x QSFP28 physical port
• Host Interface: PCI Express 4.0 x16
• Connectivity Technology: Wired, Fiber-Optic
• Cabling Supported: Optical fiber
• Form Factor: Standard PCIe add-in card

Supported Protocols and Standards

• 100GBASE-CR2 for short-range high-speed connections
• 100GBASE-CR4 for enhanced multi-lane transmission
• Optimized support for enterprise-level networking infrastructure

The Intel E810CQDA10CPT2G 1-Port 100GB Adapter Overview

The Intel E810CQDA10CPT2G 1-Port 100 Gigabit Ethernet Adapter PCI Express 4.0 x16 Optical Fiber represents a high-performance networking solution engineered for next-generation data centers, cloud infrastructure, enterprise-scale computing environments, and high-throughput storage systems. Built on Intel’s advanced Ethernet controller architecture, this adapter is designed to deliver ultra-low latency, massive bandwidth capacity, and highly efficient packet processing for modern workloads that demand sustained 100GbE performance over optical fiber infrastructure.

As data traffic continues to grow exponentially due to artificial intelligence, machine learning pipelines, virtualization clusters, and hyperscale cloud platforms, traditional network adapters often struggle to maintain performance consistency. This adapter addresses those limitations through a combination of PCIe 4.0 x16 interface bandwidth, optimized hardware offload capabilities, and support for high-speed optical connectivity, making it suitable for mission-critical environments where throughput and stability are essential.

Intel E810 Series

The Intel E810 series is designed around a modern, scalable network architecture that prioritizes flexibility, programmability, and acceleration of network workloads. The E810CQDA10CPT2G variant extends this philosophy into the 100 Gigabit Ethernet category, enabling organizations to deploy high-density compute clusters without facing bottlenecks at the network interface level.

Advanced Ethernet Controller Integration

At the core of this adapter is Intel’s advanced Ethernet controller architecture, which supports intelligent packet processing and hardware-level offloading of networking tasks. This reduces CPU overhead significantly, allowing system processors to focus on application-level workloads rather than network stack processing. The architecture is optimized for environments running distributed computing frameworks, real-time analytics engines, and containerized microservices.

PCI Express 4.0 x16 Interface Efficiency

The PCI Express 4.0 x16 interface plays a critical role in ensuring that the adapter can fully utilize 100Gbps bandwidth without saturation. Compared to previous PCIe generations, PCIe 4.0 effectively doubles per-lane throughput, allowing significantly higher data transfer rates between the network adapter and host system. This ensures that high-performance workloads such as NVMe-over-Fabrics and high-speed database replication operate without I/O constraints.

Bandwidth Optimization and Latency Reduction

The combination of PCIe 4.0 and Intel’s optimized driver stack minimizes latency across the entire data path. This is particularly important in environments where microseconds matter, such as high-frequency trading platforms, real-time telemetry processing, and financial analytics systems. The reduced latency improves application responsiveness and ensures deterministic performance under heavy network load.

Optical Fiber Connectivity and 100 Gigabit Ethernet Capabilities

This adapter is specifically designed for optical fiber connectivity, which enables long-distance, interference-free data transmission at extremely high speeds. Optical fiber infrastructure is essential in modern data centers because it provides significantly higher bandwidth density and signal integrity compared to copper-based solutions.

Support for High-Speed Data Center Interconnects

The 100 Gigabit Ethernet capability allows seamless integration into spine-leaf network topologies commonly used in hyperscale data centers. These architectures depend on predictable, high-bandwidth links between switching layers, and the E810CQDA10CPT2G ensures stable throughput even under full network utilization scenarios.

Fiber-Based Transmission Advantages

Optical fiber transmission reduces electromagnetic interference and signal degradation, making it ideal for environments with dense server racks and high electrical noise. It also enables long-range communication between data center buildings or geographically distributed infrastructure nodes without significant performance loss.

Multi-Tenant Efficiency

Modern cloud environments rely heavily on virtualization technologies such as VMware, KVM, and Hyper-V. This adapter supports advanced virtualization features that allow multiple virtual machines to share a single physical network interface while maintaining isolation and performance consistency. Technologies such as SR-IOV (Single Root I/O Virtualization) enable direct hardware-level access to virtual functions, significantly reducing overhead.

Distributed Storage Systems

In distributed storage architectures, data is spread across multiple nodes to ensure redundancy and scalability. The adapter ensures that replication traffic between nodes is transmitted efficiently, reducing synchronization delays and improving overall system resilience.

Encryption Acceleration Support

The adapter supports hardware acceleration for encryption protocols, reducing the computational burden on host CPUs while maintaining secure data transmission across network links. This is particularly important for organizations handling sensitive data in regulated industries.

Secure Packet Processing

Secure packet processing ensures that data is validated and processed efficiently without compromising performance. This includes mechanisms for packet inspection and integrity verification at high speeds.

Compatibility and System Integration

The Intel E810CQDA10CPT2G adapter is designed for broad compatibility across enterprise server platforms, supporting major operating systems and virtualization environments. Its PCIe 4.0 x16 interface ensures compatibility with modern server motherboards and high-performance compute nodes.

High-Performance Computing

HPC clusters rely on low-latency, high-bandwidth networking to synchronize computations across thousands of nodes. The adapter ensures that inter-node communication remains efficient even under extreme computational loads.

Optical Module Integration

The adapter supports high-speed optical transceivers that must be correctly matched with network infrastructure requirements. Proper configuration ensures stable signal transmission and maximum throughput across fiber links.