HPE 817708-B21

FlexibleLOM Dual‑Port 10/25 GbESFP28 Network Adapter

The HPE 817708‑B21 is a dual‑port SFP28 Network Adapter designed to deliver high-performance 10/25 GbE connectivity for HPE ProLiant servers. Featuring two optical SFP28 ports and a PCIe Gen3 host interface, it offers seamless integration into existing infrastructure while enabling fast and reliable networking. Optimized for virtualization, storage, and enterprise applications, this adapter supports bandwidth-intensive workloads and offers future‑proof scalability. Ideal for data centers and business-critical environments, the 817708‑B21 helps reduce latency and maintain high throughput—even with burst traffic and overlay network demands.

Features

This FlexibleLOMNetwork Adapter connects directly to PCIe Gen3 slots (typically x4) and supports 10 GbE and 25 GbE data rates, switching automatically between speeds. It enhances network efficiency by supporting advanced features like RoCE (RDMA over Converged Ethernet) and tunnel offloads (VXLAN/NVGRE), minimizing latency and CPU overhead. This makes it well-suited for virtualized environments, live migrations, and high-frequency application traffic. Compact and low-profile, it fits into space-limited server chassis and integrates effortlessly with ProLiant server models. Additionally, this adapter is compatible with broad operating systems and virtualization platforms, providing robust connectivity for various enterprise and cloud workloads without compromising on performance.

Advanced Options

Designed to deliver reliable connectivity and consistent performance, this dual-port adapter ensures stable transmission at both 10 GbE and 25 GbE speeds. Features such as RoCE and tunnel offload lower CPU utilization and reduce latency—key for virtual machine environments,