HPE Ethernet 10/25Gb 2-port SFP28 OCP3 Adapter

Overview

The HPE P10115-B21 is a two-port Ethernet adapter designed to provide high-speed network connectivity for HPE Gen10 Plus servers. It supports 10 Gb and 25 Gb Ethernet speeds per port, enabling fast and reliable data transfer for demanding server environments. Equipped with the Broadcom BCM57414 controller and fitting into an OCP 3.0 slot, this adapter ensures consistent throughput and low latency, making it well suited for virtualization, storage traffic, and data-intensive workloads.

Key features

• Two SFP28 ports that support both direct attach copper cables and optical transceivers, allowing flexible connection options for short or long distances
• Broadcom BCM57414 chipset optimized for stable performance and efficient data handling
• PCIe Gen3 x8 interface providing sufficient bandwidth to maintain full line rate on both ports simultaneously
• Hardware offload engines supporting SR-IOV, VXLAN, NVGRE, and RoCE v1/v2 to reduce CPU load and improve network efficiency
• Compatibility with UEFI and legacy BIOS PXE boot for streamlined automated deployments and remote server reinstalls
• Low power consumption of 11.6 watts to help maintain efficient power budgets in server racks
• Designed specifically for seamless integration with HPE Gen10 Plus server chassis
• Backed by a one-year limited warranty from HPE for reliable hardware support

Key specs

• Network speeds: 10 Gb and 25 Gb Ethernet per port
• Ports: 2 x SFP28
• Controller: Broadcom BCM57414
• Form factor: OCP 3.0
• Host interface: PCIe Gen3 x8
• Power consumption: 11.6 watts
• Boot support: UEFI and legacy BIOS PXE
• Warranty: One-year limited from HPE

Connectivity and compatibility

This adapter offers versatile connectivity options through its SFP28 ports, which support both direct attach copper cables for short-range connections and optical transceivers for longer distances. The PCIe Gen3 x8 interface ensures that the adapter can handle high data throughput without bottlenecks. It is designed to fit into OCP 3.0 slots on HPE Gen10 Plus servers, ensuring compatibility and easy installation within these systems.

Performance and reliability

With hardware offload features like SR-IOV, VXLAN, NVGRE, and RoCE v1/v2, this adapter offloads common networking tasks from the CPU, freeing up processing power for applications and reducing latency. The Broadcom BCM57414 controller delivers consistent throughput, making it a strong choice for environments that require stable and efficient network performance. Its low power draw helps maintain energy efficiency in data centers.

Ideal uses and environments

This Ethernet adapter is well suited to virtualization clusters, hyperconverged infrastructure nodes, and high-throughput storage networks. It supports data-intensive workloads such as analytics and backup operations, where fast and reliable network connections are critical. Server administrators managing multiple virtual machines or container platforms will find the offload capabilities particularly beneficial for maintaining system responsiveness.