HPE 817749-B21 – 25GbE Dual-Port SFP28 Network Adapter

HPE 817749-B21 – 25GbE Dual-Port SFP28 Network Adapter

Overview

HPE 817749-B21 is a dual-port 25 Gigabit Ethernet SFP28 network adapter designed for high-performance enterprise server environments. It provides scalable 10GbE and 25GbE connectivity for modern data center workloads.

It is built on Broadcom controller technology and supports flexible SFP28-based connectivity using either optical transceivers or direct attach copper cables.

The adapter is typically deployed in HPE ProLiant servers to support virtualization, cloud infrastructure, and storage-intensive applications requiring high throughput.

It connects via PCIe interface and delivers two high-speed Ethernet ports for efficient network traffic handling and segmentation.

It is designed for enterprise data centers transitioning toward 25GbE fabric architectures for improved performance and scalability.

Typical Deployment Scenarios

Used in enterprise data centers for 25GbE server-to-switch connectivity in high-density environments. Common in virtualization clusters, cloud platforms, and storage networks requiring low latency and high bandwidth. Also used in modern infrastructure upgrades replacing 10GbE networks with 25GbE fabrics.

Technical Specifications

Compatibility / Ecosystem

Compatible with HPE ProLiant server systems supporting PCIe network expansion. Works with SFP28 optical modules and direct attach copper cables for 10/25GbE connectivity. Designed for integration into enterprise HPE networking ecosystems supporting modern high-speed data center fabrics.