Your go-to destination for cutting-edge server products

E810-CQDA2 Intel 2 Ports PCIe 4.0 x16 Ethernet Adapter

E810-CQDA2
* Actual product may vary from image shown.
Hover on image to enlarge

Brief Overview of E810-CQDA2

Intel E810-CQDA2 2 Ports PCI Express 4.0 x16 Ethernet Adapter. Excellent Refurbished with 1 Year Replacement Warranty

$641.25
$475.00
You save: $166.25 (26%)
Ask a question
+
Quote

Additional 7% discount at checkout

SKU/MPNE810-CQDA2Availability✅ In StockProcessing TimeUsually ships same day ManufacturerIntel Manufacturer WarrantyNone Product/Item ConditionExcellent Refurbished ServerOrbit Replacement Warranty1 Year Warranty
Google Top Quality Store Customer Reviews
Our Advantages
Payment Options
  • — Visa, MasterCard, Discover, and Amex
  • — JCB, Diners Club, UnionPay
  • — PayPal, ACH/Bank Transfer (11% Off)
  • — Apple Pay, Amazon Pay, Google Pay
  • — Buy Now, Pay Later - Affirm, Afterpay
  • — GOV/EDU/Institutions PO's Accepted 
  • — Invoices
Delivery
  • — Deliver Anywhere
  • — Express Delivery in the USA and Worldwide
  • — Ship to -APO -FPO
  • For USA - Free Ground Shipping
  • — Worldwide - from $30

Same product also available in:

Description

Intel E810-CQDA2 Dual-Port PCIe Ethernet Adapter Overview

The Intel E810-CQDA2 is a high-performance dual-port 100 Gigabit Ethernet network adapter designed for modern data centers, cloud infrastructures, and enterprise networking environments. Built with PCI Express 4.0 x16 interface support, this advanced network interface card (NIC) delivers ultra-fast connectivity, low latency, and scalable bandwidth for demanding workloads.

General Information of Intel E810-CQDA2

  • Brand: Intel
  • Model: E810-CQDA2
  • Category: Enterprise Network Adapter / Ethernet NIC

Product Classification

  • Network Interface Controller (NIC)
  • High-speed Ethernet expansion card
  • Low-profile plug-in adapter

Technical Specifications and Features

Hardware Design & Form Factor

  • Design Type: Plug-in expansion card
  • Profile: Low-profile compatible
  • Bus Interface: PCI Express 4.0 x16
  • Backward Compatibility: PCIe 3.0 support

Network Connectivity Capabilities

Port Configuration

  • Dual QSFP28 ports
  • High-density fiber connectivity support

Supported Data Rates

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

Communication & Protocol Support

  • Wired connectivity technology for stable transmission
  • Data link protocols: GigE, 10GbE, 25GbE, 50GbE, 100GbE
  • Management protocols: SNMP and RMON

Advanced Features & Performance Enhancements

High-Performance Networking Features

  • RDMA (Remote Direct Memory Access) support
  • RoCE v2 (RDMA over Converged Ethernet)
  • MSI-X (Message Signaled Interrupts Extension)
  • DSCP (Differentiated Services Code Point) support

Compliance & Networking Standards

  • IEEE 802.1p Quality of Service (QoS)

Physical and Environmental Specifications

Device Dimensions

  • Width: 6.6 inches
  • Height: 2.7 inches

Operating Conditions

Temperature Range

  • Minimum operating temperature: 32°F (0°C)
  • Maximum operating temperature: 131°F (55°C)

Humidity Tolerance

  • Up to 90% non-condensing humidity

Benefits of Intel E810-CQDA2 Network Adapter

Performance Advantages

  • Ultra-low latency for high-speed data processing
  • Optimized throughput for cloud and virtualization workloads
  • Enhanced scalability for modern data center environments

Reliability & Efficiency

  • Stable wired connectivity for mission-critical applications
  • Advanced offloading features reduce CPU utilization
  • Improved traffic management through QoS support

Ideal Use Cases

Enterprise & Data Center Deployment

  • Cloud computing infrastructure
  • High-performance servers and virtualization clusters
  • Big data analytics and AI workloads

Networking Applications

  • High-bandwidth storage networks
  • Telecommunications backbone systems
  • Financial trading and low-latency environments

Intel E810-CQDA2 100Gb Dual-Port PCI-E Network Adapter

The Intel E810-CQDA2 100Gb Dual-Port PCI Express 4.0 x16 Ethernet Network Adapter represents a high-performance networking solution engineered for modern data centers, cloud-scale infrastructure, and compute-intensive enterprise environments. Built on advanced Ethernet controller architecture, this network interface card (NIC) is designed to deliver ultra-low latency, high bandwidth throughput, and scalable connectivity required for workloads such as virtualization, artificial intelligence, high-performance computing (HPC), and storage acceleration.

This adapter is part of Intel’s next-generation Ethernet 800 Series, which focuses on optimizing data movement efficiency while reducing CPU overhead. By integrating PCI Express 4.0 x16 interface technology and dual-port 100GbE capabilities, it ensures that network bottlenecks are significantly minimized, enabling seamless handling of large-scale data transfers across distributed computing environments.

Advanced Architecture and Design of Intel E810-CQDA2

Next-Generation Ethernet Controller Innovation

The Intel E810-CQDA2 is built on a modern Ethernet controller architecture that emphasizes flexibility and scalability. The controller is engineered to handle diverse workloads ranging from traditional enterprise networking to advanced cloud-native applications. It incorporates intelligent offloading capabilities that reduce CPU usage by shifting packet processing tasks directly to the network hardware.

Dual-Port 100Gb Connectivity Design

This adapter features dual 100Gb Ethernet ports, allowing simultaneous high-speed data transmission and redundancy. Each port is optimized for QSFP28 connectivity, enabling compatibility with a wide range of optical transceivers and direct attach copper solutions. This dual-port configuration enhances throughput capacity and provides network failover options in mission-critical environments.

PCI Express 4.0 x16 Interface Integration

The PCIe 4.0 x16 interface is a crucial component that ensures maximum bandwidth availability between the network adapter and the host system. Compared to previous generations, PCIe 4.0 doubles the data transfer rate, significantly reducing latency and increasing packet processing efficiency. This makes the adapter suitable for workloads requiring sustained high-speed data exchange without performance degradation.

Performance Capabilities and High-Speed Networking Efficiency

Ultra-Low Latency Data Transmission

The Intel E810-CQDA2 is optimized for environments where latency is a critical performance factor. Through hardware-level optimizations and advanced queue management techniques, the adapter minimizes packet delay, ensuring near real-time data communication. This is particularly beneficial for financial trading systems, AI inference workloads, and distributed computing clusters.

High Bandwidth Throughput Optimization

With support for 100Gb per port connectivity, the adapter delivers aggregate bandwidth that supports extremely data-heavy applications. Whether used in cloud data centers or enterprise backbone networks, it ensures smooth traffic flow even under peak load conditions. The architecture is designed to prevent congestion and maintain consistent throughput across all active network interfaces.

Packet Processing Acceleration

The adapter incorporates hardware acceleration features that offload packet processing tasks from the CPU. This includes checksum offloading, segmentation offloading, and intelligent packet classification. These enhancements improve overall system efficiency and free up CPU resources for application-level processing tasks.

Virtualization and Cloud-Optimized Networking Features

Support for SR-IOV Virtualization Technology

Single Root I/O Virtualization (SR-IOV) is a key feature of the Intel E810-CQDA2, enabling the creation of multiple virtual network interfaces from a single physical adapter. This allows virtual machines and containers to directly access network resources with near-native performance, significantly improving virtualization efficiency in cloud environments.

Enhanced Multi-Tenant Cloud Performance

The adapter is engineered for multi-tenant environments where multiple users or applications share the same physical infrastructure. Advanced traffic isolation and prioritization mechanisms ensure fair bandwidth distribution while maintaining security and performance consistency across workloads.

Containerized Application Optimization

Modern container-based architectures benefit significantly from the low-latency and high-throughput capabilities of this adapter. It ensures efficient communication between microservices, reducing inter-container communication delays and improving overall application responsiveness in orchestrated environments such as Kubernetes clusters.

Data Center and Enterprise Deployment Scenarios

High-Density Data Center Infrastructure

The Intel E810-CQDA2 is widely deployed in hyperscale data centers where network efficiency and scalability are critical. Its dual-port 100Gb design allows aggregation of large-scale data streams, supporting virtualization clusters, storage networks, and cloud service platforms.

Enterprise Core and Backbone Networking

In enterprise environments, this adapter functions as a backbone connectivity solution for core switching and routing systems. It enables high-speed communication between servers, storage arrays, and application nodes, ensuring uninterrupted business operations and optimized internal traffic flow.

High-Performance Computing Clusters

HPC environments require extremely fast inter-node communication, and the Intel E810-CQDA2 meets this requirement through its high bandwidth and low latency architecture. It supports distributed computing workloads such as scientific simulations, data modeling, and complex computational analysis.

Storage Networking and NVMe Over Fabrics Optimization

NVMe-oF Acceleration Capabilities

The adapter is optimized for NVMe over Fabrics (NVMe-oF) implementations, allowing storage devices to be accessed over high-speed Ethernet networks with minimal latency. This significantly enhances storage performance in distributed environments and reduces reliance on traditional SAN architectures.

Efficient Storage Traffic Management

By intelligently managing storage traffic, the adapter ensures that read and write operations are prioritized efficiently. This leads to improved IOPS performance and reduced storage bottlenecks in enterprise and cloud storage systems.

Scalable Storage Infrastructure Integration

The Intel E810-CQDA2 supports scalable storage architectures, enabling seamless expansion of storage networks without compromising performance. It is ideal for environments where data growth is continuous and requires flexible networking adaptation.

Security and Data Protection Features

Hardware-Based Security Offloading

Security operations such as encryption and decryption can be offloaded to the adapter hardware, reducing CPU load while maintaining strong data protection standards. This ensures secure data transmission without sacrificing performance.

Secure Network Traffic Isolation

The adapter supports advanced traffic segmentation techniques that isolate different network flows. This prevents unauthorized access between virtual machines and ensures secure multi-tenant environments in cloud deployments.

Integrity and Packet Validation Mechanisms

Built-in packet validation features help ensure that transmitted data remains intact and uncorrupted. This is critical for mission-critical applications where data integrity is essential for operational accuracy and reliability.

Energy Efficiency and Thermal Performance Optimization

Adaptive Power Management Technology

The Intel E810-CQDA2 incorporates intelligent power management features that adjust energy consumption based on workload demand. This helps reduce operational costs in large-scale deployments while maintaining consistent performance levels.

Optimized Thermal Dissipation Design

The adapter is engineered with efficient thermal characteristics that ensure stable operation even under sustained high-load conditions. Proper heat distribution reduces the risk of thermal throttling and extends hardware lifespan.

Green Data Center Compatibility

Energy efficiency plays a critical role in modern data centers, and this adapter aligns with green computing initiatives by minimizing power usage while maximizing throughput efficiency. This contributes to lower carbon footprint and improved sustainability metrics.

Compatibility, Drivers, and Operating System Support

Wide Operating System Compatibility

The Intel E810-CQDA2 supports major operating systems including Linux distributions, Windows Server environments, and virtualization platforms. This ensures seamless integration into diverse IT infrastructures without compatibility issues.

Driver Optimization and Software Support

Intel provides optimized drivers that enhance performance and stability across supported platforms. These drivers enable advanced configuration options, performance tuning, and diagnostic capabilities for IT administrators.

Network Management Tool Integration

The adapter is compatible with enterprise network management tools that allow administrators to monitor performance, configure settings, and troubleshoot issues in real time. This improves operational efficiency and reduces downtime.

Reliability, Scalability, and Long-Term Infrastructure Stability

Enterprise-Grade Reliability Engineering

The Intel E810-CQDA2 is built to meet enterprise reliability standards, ensuring continuous operation in demanding environments. Its robust architecture minimizes downtime and enhances system resilience.

Scalable Network Expansion Capability

As organizations grow, their networking requirements evolve. This adapter supports scalable infrastructure expansion, allowing seamless integration into larger network ecosystems without performance loss.

Long-Term Deployment Stability

Designed for long-term usage, the adapter maintains consistent performance over extended operational cycles. This makes it suitable for mission-critical systems that require uninterrupted network availability.

Advanced Networking Features and Intelligent Traffic Handling

Dynamic Load Balancing Mechanisms

The adapter intelligently distributes network traffic across available resources to avoid congestion and ensure balanced utilization. This improves overall system efficiency and reduces latency spikes.

Advanced Queue Management Architecture

Queue management technology enables efficient handling of large volumes of network packets. This ensures smooth data flow even during peak traffic conditions, maintaining consistent performance levels.

Adaptive Packet Steering Capabilities

Packet steering features allow intelligent routing of network traffic to appropriate processing cores. This enhances CPU utilization efficiency and improves overall system responsiveness in multi-threaded environments.

Features
Manufacturer Warranty:
None
Product/Item Condition:
Excellent Refurbished
ServerOrbit Replacement Warranty:
1 Year Warranty