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Intel PCIe 4.0 x16 - QSFP28 x 1 Ethernet Network Adapter

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Product details

Management number 202063272 Release Date 2025/09/19 List Price $1,835.00 Model Number 202063272
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The Intel E810CQDA1BLK is a single-port Ethernet network adapter that brings 100-gigabit connectivity to servers that rely on PCIe 4.0 x16 slots. It is built around the proven Intel E810 controller, so it moves packets efficiently even when traffic spikes or workloads shift.

With its QSFP28 interface, the card links directly to 100GbE switches and breakout cables, making it easy to add high-speed aggregation or spine connections in modern data center fabrics. The generous PCIe 4.0 bandwidth helps eliminate host-side bottlenecks, which means applications that thrive on large data flows—such as distributed storage, AI training nodes, or real-time analytics—see lower latency and steadier throughput.

For virtualized environments, the adapter supports SR-IOV, Virtual Machine Device Queues, and Flexible Port Partitioning. These capabilities let administrators carve up bandwidth and queue resources so that each virtual machine or container gets consistent performance without overloading the CPU. RDMA over iWARP or RoCEv2 further accelerates east-west traffic, an advantage for clustered databases and hyper-converged infrastructure where every microsecond counts.

On the storage front, native support for iSCSI and NFS over Ethernet allows you to consolidate traffic on a single high-speed link instead of maintaining parallel storage networks. Whether you are refreshing a rack of servers, expanding edge nodes for 5G, or rolling out NFV services, this adapter delivers the reliability and throughput required for today’s hybrid cloud and enterprise workloads.

Highlights:
  • Supports speeds up to 100GbE for high-performance networking
  • Single QSFP28 port for flexible connectivity
  • PCIe 4.0 x16 interface for fast data transfer
  • Intel E810 controller for efficient packet processing
  • RDMA support with iWARP and RoCEv2 for low-latency connections
  • Virtualization support with VMDq and SR-IOV capability
  • Dynamic Device Personalization (DDP) improves packet classification
  • Compatible with low-profile and full-height brackets
  • Supports iSCSI and NFS storage over Ethernet
  • Designed for data centers, cloud applications, and enterprise networks

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