P51179-B21 HPE Broadcom BCM5719 OCP3 1GBPS 4 Port Ethernet BASE-T Adapter

HPE P51179-B21 Broadcom BCM5719 OCP3 Network Adapter 

The HPE P51179-B21 Broadcom BCM5719 OCP3 1Gbps 4-Port Ethernet BASE-T Network Adapter is a high-performance networking solution designed to enhance server connectivity, network efficiency, and data communication reliability. Built with Broadcom BCM5719 controller technology, this HPE Ethernet adapter provides four independent Gigabit Ethernet RJ-45 ports, supporting 10/100/1000BASE-T network standards for flexible integration into modern enterprise environments.

Designed as an OCP3 (Open Compute Project 3.0) plug-in networking adapter, the HPE P51179-B21 delivers dependable wired networking performance for HPE ProLiant servers and compatible platforms. It is optimized for businesses requiring scalable network infrastructure, efficient data transfer, virtualization support, and advanced server management capabilities.

General Information

• Manufacturer: HPE
• Part Number: P51179-B21
• Device Type: Networking Adapter

Technical Specifications

• Controller: Broadcom BCM5719
• Form Factor: OCP3 Plug-in Card
• Ports: 4 x Gigabit Ethernet RJ-45
• Network Speed: 10/100/1000Mbps
• Maximum Data Transfer Rate: 1Gbps
• Interface: Ethernet 1000 RJ-45
• Supported Features: RSS, TSO, PXE Boot, IPv4, IPv6, Flow Control, UEFI Support

Key Features of HPE P51179-B21 Ethernet Adapter

• Powered by Broadcom BCM5719 Ethernet controller technology for reliable network performance.
• Four integrated Gigabit Ethernet BASE-T ports for high-density server connectivity.
• Supports 10Mbps, 100Mbps, and 1000Mbps Ethernet speeds for flexible networking.
• OCP3 form factor enables easy installation in compatible HPE server systems.
• Provides RJ-45 copper interfaces for simple and cost-effective network deployment.
• Supports advanced networking features including PXE boot, RSS, TSO, and IPv6 compatibility.
• Designed for enterprise data centers, cloud platforms, and virtualization environments.

Supported Ethernet Standards

• 10Base-T Ethernet for legacy network compatibility.
• 100Base-TX Fast Ethernet for medium-speed networking applications.
• 1000Base-T Gigabit Ethernet for high-speed enterprise networking.
• Auto-negotiation support for optimized network performance.

Ideal Applications for Enterprise Environments

• Data center server networking.
• Virtualized server environments.
• Cloud computing infrastructure.
• Enterprise application hosting.
• High-availability network deployments.

Compact Plug-In Card Architecture

• Space-efficient networking expansion solution.
• Designed for compatible HPE server platforms.
• Easy integration into enterprise server configurations.
• Supports efficient server management and deployment.

Enhanced Network Management Features

• Receive Side Scaling (RSS) improves multi-core processor utilization.
• TCP Segmentation Offload (TSO) reduces server processing overhead.
• Flow Control helps maintain stable data transmission.
• IPv4 and IPv6 support enables modern network compatibility.

Network Interface Specifications

• Interface Type: Four Ethernet 1000 RJ-45 ports.
• Connector Type: Standard copper Ethernet connection.
• Network Protocol Support: IPv4 and IPv6.
• Link Speed: Up to 1Gbps per Ethernet port.

Boot and Management Capabilities

• UEFI PXE Boot support for modern server environments.
• Legacy BIOS PXE Boot compatibility.
• UEFI support for advanced system configurations.
• ACPI support for improved system power management.
• Limited Root of Trust security functionality.

Virtualization Benefits

• Efficient network traffic processing for virtual environments.
• Improved workload distribution using RSS technology.
• Reduced CPU overhead through hardware acceleration features.
• Reliable connectivity for virtualized applications and services.

Security Enhancements

• Limited Root of Trust functionality for improved platform security.
• IPv6 support for modern secure networking environments.
• Controlled network access through enterprise management tools.
• Reliable firmware-based server integration.

HPE P51179-B21 Broadcom Ethernet BASE-T Network Adapter

The HPE P51179-B21 Broadcom BCM5719 OCP3 1Gbps 4 Port Ethernet BASE-T Network Adapter is a high-performance server networking solution designed to deliver reliable and efficient wired connectivity for modern HPE ProLiant servers. Built with the advanced Broadcom BCM5719 Ethernet controller, this OCP 3.0 network adapter provides four independent 1 Gigabit Ethernet ports through standard RJ-45 BASE-T interfaces. It is engineered to support enterprise workloads that require dependable network communication, optimized data transfer, virtualization capabilities, and simplified server integration.

As part of the HPE Ethernet Adapter family, the P51179-B21 network card is designed specifically for data center environments where consistent network performance and flexible deployment are essential. The adapter utilizes the Open Compute Project (OCP) 3.0 form factor, allowing organizations to integrate networking functionality directly into compatible HPE server platforms without occupying a traditional PCI Express expansion slot. This design helps maximize server scalability while improving airflow, reducing cable complexity, and supporting efficient rack-level infrastructure management.

Advanced HPE OCP 3.0 Ethernet Adapter Technology

Designed for Next-Generation HPE ProLiant Servers

The HPE P51179-B21 Ethernet Adapter is developed for next-generation HPE ProLiant server systems that support OCP 3.0 networking modules. The OCP 3.0 architecture provides a standardized interface for modular networking, enabling businesses to select networking solutions based on application requirements. This flexibility allows data centers to upgrade connectivity options without replacing the entire server motherboard or using additional expansion cards.

The compact OCP 3.0 design enables better utilization of internal server space while maintaining enterprise-grade networking performance. By integrating directly into the server platform, this adapter helps improve installation efficiency and provides a cleaner hardware configuration compared with traditional add-in network interface cards.

Broadcom BCM5719 Controller Performance

At the core of the HPE P51179-B21 adapter is the Broadcom BCM5719 Ethernet controller, a trusted networking chipset widely used in enterprise server environments. The controller provides stable Gigabit Ethernet performance, advanced network management features, and optimized communication between servers and network infrastructure.

The Broadcom BCM5719 chipset is designed to deliver reliable packet processing and efficient data handling for demanding business applications. It supports intelligent network operations that help reduce CPU workload by managing networking tasks directly through dedicated hardware acceleration features. This allows server processors to focus on application workloads, improving overall system efficiency.

Key Controller Benefits

The Broadcom BCM5719 controller provides enhanced reliability, efficient Ethernet processing, and compatibility with a wide range of enterprise operating systems. Its proven architecture makes it suitable for virtualization environments, cloud infrastructure, database applications, file servers, and general enterprise networking deployments.

High-Speed Four-Port 1GbE BASE-T Connectivity

Reliable Copper Ethernet Networking

The HPE P51179-B21 features four 1 Gigabit Ethernet BASE-T ports, providing multiple network connections through standard copper cabling. Each RJ-45 port supports Gigabit Ethernet speeds, allowing organizations to connect servers directly to existing Ethernet switches and network systems without requiring specialized optical transceivers or fiber infrastructure.

The four-port configuration provides additional networking flexibility for businesses that require separate network paths for different workloads. Administrators can configure individual ports for management traffic, application communication, storage connectivity, backup operations, or network segmentation based on organizational requirements.

Efficient Network Traffic Management

Multiple Ethernet ports allow improved traffic distribution and network redundancy. By utilizing several physical connections, organizations can create highly available networking environments that minimize downtime and improve operational continuity. Link aggregation technologies can also be implemented to combine multiple network interfaces, increasing bandwidth availability and providing additional resilience.

The BASE-T copper interface offers broad compatibility with existing Ethernet infrastructure. Organizations can continue using standard Category cabling while benefiting from reliable Gigabit networking performance, making this adapter a practical solution for enterprise server upgrades and new deployments.

Enterprise Server Networking for Data Centers

Optimized Connectivity for Business Applications

The HPE P51179-B21 Broadcom BCM5719 OCP3 1Gbps 4 Port Ethernet Adapter is designed to support a wide range of enterprise workloads. From virtualization platforms and database servers to collaboration systems and business applications, the adapter provides stable network connectivity required for continuous operations.

Modern organizations depend on reliable server networking to maintain communication between applications, users, storage systems, and cloud services. This Ethernet adapter delivers the dependable connectivity needed for everyday business operations while offering the flexibility required for changing IT environments.

Virtualization and Cloud Infrastructure Support

Virtualized environments require efficient networking hardware capable of handling multiple virtual machines and network connections simultaneously. The HPE P51179-B21 adapter supports advanced networking features that help improve virtual server communication and resource utilization.

By providing four independent Gigabit Ethernet interfaces, the adapter enables administrators to separate virtual machine traffic, management communication, and service networks. This helps improve security, simplify network administration, and maintain consistent performance across virtualized workloads.

Suitable Enterprise Deployment Scenarios

The adapter is ideal for various enterprise applications, including rack server environments, virtualization clusters, private cloud deployments, data center networking, remote office servers, and business-critical applications requiring dependable Ethernet connectivity.

OCP 3.0 Modular Network Interface Benefits

Space-Efficient Server Integration

One of the major advantages of the HPE P51179-B21 is its OCP 3.0 modular form factor. Unlike conventional PCIe network cards that consume expansion slots, OCP adapters are integrated into dedicated server networking interfaces. This allows organizations to preserve PCIe slots for additional storage controllers, graphics accelerators, or specialized expansion devices.

The modular architecture also simplifies maintenance and future upgrades. IT administrators can replace or upgrade network adapters without making major changes to the server configuration, helping reduce deployment time and improve infrastructure flexibility.

Improved Data Center Efficiency

Efficient hardware design is important in modern data centers where rack density, cooling, and power management directly impact operational costs. The OCP 3.0 adapter design contributes to improved internal server organization by reducing cable clutter and supporting optimized airflow.

The HPE P51179-B21 helps organizations create cleaner server installations while maintaining professional data center standards. Its compact architecture supports efficient rack deployment and simplifies network hardware management.

Compatibility and Integration with HPE Server Platforms

Designed for HPE Infrastructure Environments

The HPE P51179-B21 Broadcom BCM5719 Ethernet Adapter is designed to integrate seamlessly with compatible HPE ProLiant Gen10 Plus and newer server platforms that support OCP 3.0 networking modules. It provides organizations with a reliable networking option that aligns with HPE server architecture and management solutions.

Compatibility with HPE server ecosystems helps simplify deployment, configuration, and ongoing maintenance. System administrators can utilize familiar HPE management tools and support resources to monitor and maintain networking hardware across their infrastructure.

Driver and Operating System Support

Enterprise network adapters require broad software compatibility to support different operating environments. The HPE P51179-B21 is designed to work with commonly used server operating systems and virtualization platforms, allowing organizations to integrate the adapter into diverse IT environments.

Support for standard Ethernet networking protocols ensures smooth communication with existing switches, routers, and enterprise networking equipment. This compatibility makes the adapter a versatile choice for organizations with mixed infrastructure requirements.

Enhanced Reliability and Enterprise-Level Networking Features

Built for Continuous Server Operations

Enterprise servers often operate continuously under demanding workloads, requiring networking components that deliver consistent reliability. The HPE P51179-B21 adapter is engineered to provide stable Ethernet communication for mission-critical applications where network interruptions can impact productivity.

The combination of HPE engineering and Broadcom controller technology provides a dependable networking platform suitable for professional environments. Its robust design helps organizations maintain consistent connectivity across servers, applications, and users.

Flexible Network Configuration Options

The four-port architecture provides administrators with multiple configuration possibilities. Network teams can assign dedicated connections for different services, implement redundancy strategies, or optimize traffic flows according to business requirements.

Flexible configuration options make the adapter suitable for organizations that require adaptable networking solutions capable of supporting evolving workloads and infrastructure changes.

Applications of HPE P51179-B21 Ethernet Adapter

Enterprise Data Center Networking

The HPE P51179-B21 is commonly used in enterprise data centers where dependable Ethernet connectivity is essential. It provides server-to-switch communication for applications including enterprise resource planning, databases, web hosting, virtualization, and business intelligence platforms.

Server Consolidation and Virtual Environments

Organizations implementing server consolidation strategies can benefit from the adapter’s multi-port design and efficient networking capabilities. Multiple network interfaces allow administrators to support several virtualized services while maintaining organized traffic management.

Business-Critical Infrastructure Support

The adapter supports organizations that require reliable server communication, including financial systems, healthcare applications, educational platforms, and corporate IT environments. Its enterprise-focused design helps maintain dependable network performance for essential workloads.