Intel PCIe 4.0 x16 QSFP28 x 2 Ethernet Network Adapter

Overview

The Intel E810CQDA2BLK is a high-performance PCIe 4.0 x16 network adapter designed to equip servers with two QSFP28 ports, each supporting 100 Gb Ethernet. It delivers the bandwidth and low latency required for demanding environments such as data centers, cloud platforms, AI clusters, and storage networks. With advanced features like RDMA support and precise timing capabilities, this adapter ensures efficient data transfer and network responsiveness for large-scale, high-throughput applications.

Key features

• Two QSFP28 ports provide 100 Gb Ethernet connectivity for high-speed data transfer between nodes.
• PCIe 4.0 x16 interface offers ample bandwidth to prevent bottlenecks in data-intensive workloads.
• RDMA over iWARP and RoCEv2 reduces latency by bypassing the host CPU during data transfers, freeing processing power for applications.
• Application Device Queues maintain consistent response times for latency-sensitive applications.
• Dynamic Device Personalization tailors packet processing to optimize performance for network functions virtualization, 5G, and similar service chains.
• IEEE 1588 PTP v2 support enables precise event timing and synchronization across networked devices.
• Enhanced DPDK compatibility boosts packet throughput for custom data plane applications.
• EPCT port configuration allows flexible adjustment of link behavior to meet evolving network requirements.
• Includes a low profile bracket for easy installation in both compact and full-height server chassis.

Key specs

• Network ports: 2 x QSFP28
• Ethernet speed: 100 Gb per port
• Host interface: PCIe 4.0 x16
• RDMA support: iWARP and RoCEv2
• Timing protocol: IEEE 1588 PTP v2
• Compatibility: Supports NFV, storage, AI, and hybrid cloud workloads
• Form factor: Low profile bracket included

Connectivity and compatibility

This adapter integrates seamlessly into server environments requiring high-speed Ethernet connections. The dual QSFP28 ports support 100 Gb Ethernet links, making it suitable for connecting to modern switches and network fabrics. Its PCIe 4.0 x16 interface ensures that the adapter can handle the full throughput without limiting performance. The card’s support for RDMA protocols and IEEE 1588 PTP v2 makes it compatible with applications that demand low latency and precise timing, such as distributed machine learning and real-time analytics.

Performance and reliability

Designed to handle large volumes of data with minimal delay, this network adapter excels in environments where consistent and fast data exchange is critical. Features like Application Device Queues and Dynamic Device Personalization help maintain stable performance under varying workloads. The enhanced DPDK support further increases packet processing efficiency, making it a reliable choice for custom networking applications. Its robust design and flexible port configuration options ensure it adapts well to changing network demands.

Ideal uses and environments

The Intel E810CQDA2BLK is well suited to enterprises building hybrid cloud infrastructures, telecom operators deploying edge services, and research facilities managing clustered storage or AI workloads. It fits naturally into data centers where high throughput and low latency are essential, supporting tasks such as storage replication, real-time analytics, and distributed machine learning. Its combination of speed, flexibility, and advanced features makes it a strong choice for IT professionals seeking to optimize network performance in demanding settings.