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

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 networking solution designed to deliver reliable and efficient Ethernet connectivity for HPE ProLiant servers and enterprise computing environments. Built with Broadcom BCM5719 controller technology, this adapter provides four Gigabit Ethernet RJ-45 ports, supporting 10/100/1000 Mbps network speeds for flexible and scalable server networking.

Designed in an OCP3 plug-in card form factor, the HPE P51179-B21 Ethernet Adapter enables organizations to improve network performance, simplify server connectivity, and optimize data communication across demanding workloads. With advanced networking features including IPv4/IPv6 support, PXE boot capability, Receive Side Scaling (RSS), TCP Segmentation Offload (TSO), and UEFI support, this adapter is suitable for modern data centers, cloud environments, virtualization platforms, and enterprise applications.

General Information

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

Technical Specifications

• Form Factor: Plug-in Card
• Ports: 4 x Gigabit Ethernet
• Interface Type: 4 x Ethernet 1000 RJ-45
• Data Transfer Rate: Up to 1 Gbps
• Data Link Protocol: 10Mb LAN, 100Mb LAN, Gigabit Ethernet
• Cabling Type: Ethernet 10Base-T, Ethernet 100Base-TX, Ethernet 1000Base-T

Reliable Gigabit Ethernet Performance

• Four Gigabit Ethernet RJ-45 ports for high-density network connectivity
• Supports 10Mbps, 100Mbps, and 1000Mbps Ethernet speeds
• Compatible with Ethernet 10Base-T, 100Base-TX, and 1000Base-T standards
• Provides reliable wired network access for enterprise servers
• Designed for efficient data transmission and optimized server performance

Key Controller Advantages

• Enterprise-class Gigabit Ethernet controller design
• Hardware-assisted network traffic processing
• Improved server efficiency through offload technologies
• Enhanced compatibility with HPE server platforms
• Reliable operation for continuous business workload

Benefits of OCP3 Adapter Architecture

• Space-efficient plug-in card design
• Easy installation and replacement process
• Improved server integration and cable management
• Supports scalable enterprise networking requirements
• Ideal for HPE ProLiant server environments

PXE Boot and Remote Deployment Support

• UEFI PXE Boot support for modern server platforms
• Legacy BIOS PXE Boot compatibility
• Simplified operating system installation and server provisioning
• Efficient remote management capabilities

TCP Segmentation Offload Benefits

• Reduced processor workload during network operations
• Improved data transfer efficiency
• Enhanced performance for demanding applications
• Better utilization of multi-core server architectures

Security and Reliability Highlights

• Limited Root of Trust technology
• Secure network communication support
• Reliable hardware architecture for enterprise use
• Stable connectivity for critical applications

Common Deployment Environments

• Enterprise data centers
• Cloud computing infrastructures
• Virtualized server environments
• Database and application servers
• Business networking solutions
• High-availability computing platforms
• Remote server management environments

Supported Features

• Flow Control
• ACPI Support
• IPv4 Support
• IPv6 Support
• PXE Support
• Receive Side Scaling (RSS)
• UEFI Support
• TCP Segmentation Offload (TSO)
• UEFI PXE Boot
• Legacy BIOS PXE Boot
• Limited Root of Trust

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 provide reliable, efficient, and scalable Ethernet connectivity for modern HPE ProLiant server platforms. Built around the Broadcom BCM5719 Ethernet controller, this Open Compute Project 3.0 (OCP3) compliant adapter delivers four independent Gigabit Ethernet Base-T ports, allowing organizations to expand network capabilities while maintaining flexibility, manageability, and optimized data communication performance.

As enterprise workloads continue to grow with virtualization, cloud computing, database applications, and high-volume data processing, dependable network infrastructure becomes essential. The HPE P51179-B21 Ethernet adapter provides a practical solution for businesses requiring multiple network connections in a compact form factor. By integrating four 1Gb Ethernet ports into a single OCP3 adapter design, this network card helps reduce cable complexity, improve server connectivity options, and maximize available expansion resources within compatible HPE servers.

Advanced OCP3 Network Adapter Technology for HPE ProLiant Servers

The HPE P51179-B21 utilizes the OCP3 network adapter standard, which represents a modern approach to server networking expansion. Unlike traditional PCI Express network interface cards, OCP3 adapters are designed to integrate directly into supported server architectures, offering improved airflow efficiency, easier installation, and streamlined hardware management. This design allows data center administrators to deploy networking upgrades without occupying standard PCIe expansion slots.

OCP3 technology provides enhanced flexibility for enterprise environments where server density and operational efficiency are important considerations. By using a dedicated networking slot, organizations can maintain additional PCIe resources for storage controllers, accelerators, graphics solutions, or other expansion devices. The HPE P51179-B21 is optimized for environments that require dependable Ethernet communication while maintaining efficient server hardware utilization.

Broadcom BCM5719 Ethernet Controller Performance

At the core of the HPE P51179-B21 is the Broadcom BCM5719 Ethernet controller, a widely adopted networking chipset known for stable performance, enterprise-grade reliability, and efficient packet processing. The BCM5719 controller supports four Gigabit Ethernet interfaces, enabling multiple network connections from a single adapter module. This makes it suitable for businesses that require dedicated network paths for applications, management traffic, virtualization environments, and storage communication.

The Broadcom BCM5719 chipset is engineered to provide consistent throughput and dependable operation in demanding server environments. It includes advanced Ethernet features that help improve network efficiency, reduce processing overhead, and support modern data center requirements. The controller architecture allows servers to handle increasing network demands while maintaining smooth communication between applications, users, and connected infrastructure.

Reliable Gigabit Ethernet Base-T Connectivity

The HPE P51179-B21 features four 1Gbps Base-T Ethernet ports, providing standard copper connectivity through RJ-45 interfaces. Gigabit Ethernet Base-T technology remains widely used throughout enterprise networks because it offers a cost-effective balance between performance, compatibility, and ease of deployment. Existing Ethernet cabling infrastructure can often be reused, reducing installation costs and simplifying network upgrades.

Each port supports high-speed data transmission at up to 1 Gigabit per second, making the adapter suitable for file transfers, business applications, virtualization traffic, system management, and general server networking tasks. The multi-port configuration enables network administrators to separate traffic streams, improve redundancy, and create flexible network designs based on organizational requirements.

Enterprise Networking Capabilities of HPE P51179-B21 Adapter

Enterprise data centers require networking components that deliver consistent availability and efficient resource management. The HPE P51179-B21 Broadcom BCM5719 OCP3 adapter provides the connectivity foundation required for various business-critical workloads. Its four-port configuration supports flexible deployment strategies, allowing administrators to assign different ports for separate services or implement network redundancy configurations.

This adapter is designed for use in HPE server environments where dependable Ethernet connectivity is necessary. Whether deployed in virtualization hosts, database servers, application servers, or general-purpose enterprise systems, the adapter delivers reliable communication between servers, switches, storage platforms, and network users.

Improved Server Network Expansion and Flexibility

Modern servers often operate multiple applications simultaneously, increasing the demand for flexible networking configurations. The HPE P51179-B21 provides additional network interfaces without requiring multiple expansion cards. With four integrated Ethernet ports, administrators gain greater control over network segmentation, traffic distribution, and system connectivity.

Multiple Ethernet ports can be configured for different purposes depending on the infrastructure design. Organizations may dedicate individual connections for management networks, application traffic, backup operations, virtualization workloads, or internal communication. This flexibility allows businesses to build efficient network architectures that match their operational needs.

Optimized Connectivity for Virtualized Environments

Virtualization platforms rely heavily on stable and efficient network communication. The HPE P51179-B21 Ethernet adapter supports environments where multiple virtual machines share physical server resources. By providing multiple network interfaces, the adapter helps administrators distribute virtual machine traffic and maintain improved network organization.

In virtualized data centers, network adapters play an important role in maintaining application responsiveness and reducing congestion. The Broadcom BCM5719 controller provides efficient Ethernet processing capabilities that support consistent communication between virtual machines, physical servers, and network resources.

Support for Modern Data Center Operations

The HPE P51179-B21 is built for professional data center environments where reliability and long-term operational stability are priorities. Its enterprise-focused design makes it suitable for organizations managing large numbers of servers and requiring predictable network performance.

From small and medium businesses to large-scale enterprise deployments, this adapter helps simplify server networking while providing the dependable performance expected from HPE-certified components. Its compatibility with supported HPE ProLiant systems ensures that organizations can confidently integrate the adapter into existing infrastructures.

Benefits of Choosing HPE P51179-B21 Broadcom BCM5719 OCP3 Adapter

The HPE P51179-B21 offers several advantages for organizations looking to enhance server networking capabilities. Its combination of Broadcom controller technology, four-port Gigabit Ethernet connectivity, and OCP3 integration provides a balanced solution for modern server environments.

One of the primary benefits is space efficiency. Because the adapter uses an OCP3 form factor, it helps conserve valuable PCIe expansion slots while adding multiple Ethernet connections. This allows server administrators to maximize hardware resources and maintain flexible upgrade options.

Another important advantage is simplified network management. With four Ethernet ports available from one adapter, administrators can create organized network configurations while reducing the number of separate components required inside the server. This improves deployment efficiency and helps streamline hardware maintenance.

Enterprise Reliability and Efficient Network Management

HPE networking components are developed with enterprise reliability in mind, and the P51179-B21 follows this approach by providing stable Ethernet connectivity for professional workloads. Reliable network adapters help reduce unexpected interruptions and support continuous business operations.

The adapter can contribute to improved network organization by allowing administrators to design structured connectivity strategies. Multiple ports enable better workload distribution and provide additional options for network redundancy, helping businesses maintain dependable communication across their infrastructure.

Energy Efficient Server Networking Solution

Power efficiency is an important factor in modern data centers. The HPE P51179-B21 is designed to provide effective Gigabit Ethernet connectivity while maintaining efficient operation. Optimized networking hardware helps organizations balance performance requirements with energy management goals.

Efficient network adapters contribute to lower operational complexity by reducing unnecessary hardware requirements and supporting streamlined server configurations. This makes the adapter a valuable choice for organizations focused on improving data center efficiency.

Compatibility and Deployment Considerations

The HPE P51179-B21 Broadcom BCM5719 OCP3 1Gbps 4 Port Ethernet Base-T Network Adapter is intended for compatible HPE ProLiant server platforms that support OCP3 networking modules. Before installation, organizations should verify server compatibility, operating system support, and available firmware requirements to ensure optimal operation.

Proper compatibility planning helps businesses achieve maximum performance from their networking investments. When integrated into supported HPE server environments, this adapter provides a reliable foundation for enterprise Ethernet connectivity.

Applications of HPE P51179-B21 Four Port Ethernet Adapter

The HPE P51179-B21 adapter is suitable for a wide range of enterprise applications that require dependable Gigabit Ethernet connectivity. It can support business servers, virtualization hosts, application platforms, database systems, and infrastructure management environments where stable network communication is essential.

Organizations can use this adapter in data centers, private cloud environments, enterprise server rooms, and high-availability computing environments. Its four-port configuration provides the flexibility needed for various networking architectures while maintaining compatibility with established Ethernet standards.

Ideal Solution for Business-Critical Server Infrastructure

Business applications depend on continuous and reliable network access. The HPE P51179-B21 provides the connectivity needed for servers handling important workloads such as enterprise applications, collaboration platforms, databases, and internal services. Its Broadcom BCM5719 controller technology ensures dependable communication between systems.

By combining multiple Ethernet ports into a compact OCP3 adapter, the HPE P51179-B21 helps organizations create efficient server networking environments. It supports scalable infrastructure growth while maintaining practical deployment and management advantages.