HPE P26256-B21 

Gigabit Ethernet Adapter 4-Port 1Gb OCP 3.0 Network Adapter

The HPE P26256-B21 4-Port 1Gb Gigabit Ethernet Network Adapter is a versatile and high-efficiency solution tailored for modern HPE Gen10 Plus and Gen11 servers that support OCP 3.0 form factors. Designed for environments requiring dense I/O and low-latency performance, this adapter delivers reliable 1GbE connectivity across four ports, enabling scalable networking with reduced cabling complexity. It is ideal for businesses looking to enhance server networking capabilities while maintaining cost-effectiveness and platform compatibility. Whether you're running virtual machines, supporting cloud workloads, or connecting to storage systems, the P26256-B21 adapter ensures optimal performance, energy efficiency, and simplified deployment.

Features

Built on a proven design optimized for HPE servers, the P26256-B21 OCP 3.0Gigabit EthernetAdapter offers four Gigabit Ethernet ports for resilient network connectivity in demanding IT environments. Its OCP 3.0 form factor allows seamless integration into HPE ProLiant and Apollo systems, reducing footprint while enhancing I/O density. The adapter supports key networking technologies such as VLAN tagging, TCP segmentation offload (TSO), checksum offload, and Receive Side Scaling (RSS), all designed to reduce CPU overhead and improve throughput.The device is fully compatible with major operating systems and hypervisors, ensuring smooth deployment in diverse infrastructures. Administrators can take advantage of HPE network management tools for easy configuration, diagnostics, and firmware updates. Ideal for server consolidation, virtualization, and software-defined environments, this adapter delivers dependable 1GbE performance in a compact and efficient package.

Advanced Options

The HPE P26256-B21 Gigabit Ethernet Adapter is engineered for consistent and efficient performance in modern data center environments. With four independentGigabit Ethernet ports, it provides fault-tolerant connectivity options and supports link aggregation to maximize bandwidth. The adapter leverages hardware-based offload technologies to enhance network performance while reducing host CPU load, improving the overall system responsiveness during peak traffic.