P21112-B21 HPE Ethernet Adapter 2 Ports Qsfp28

HPE P21112-B21 2 Ports QSFP28 Ethernet Adapter Overview

The HPE P21112-B21 2 Ports QSFP28 Ethernet Adapter is a high-performance network interface solution designed to deliver ultra-fast connectivity for modern enterprise servers, data centers, and demanding networking environments. Built to support advanced 100 Gigabit Ethernet communication, this HPE network adapter provides reliable, low-latency data transfer with two QSFP28 ports capable of delivering exceptional bandwidth for virtualization, cloud computing, high-performance computing, and storage networking applications.

Designed as a standard plug-in PCI Express adapter, the HPE P21112-B21 integrates seamlessly with compatible HPE ProLiant server platforms and enterprise infrastructure. It combines advanced networking technology, efficient data processing, and broad protocol support to help organizations achieve improved application performance, faster workload execution, and scalable network expansion.

General Information

• Manufacturer: HPE
• Part Number: P21112-B21
• Device Type: Network Adapter

Technical Specifications 

• Form Factor: Standard Plug-in Card
• Bus Interface: PCI Express 4.0 x16
• Width: 8.5 inches
• Depth: 9.7 inches
• Height: 2.4 inches

Reliable 100 Gigabit Ethernet Architecture

• High-density networking solution for enterprise servers
• Ideal for data center backbone connectivity
• Supports next-generation Ethernet deployments
• Provides scalable bandwidth for future expansion

Benefits of HPE P21112-B21 2 Ports QSFP28 Ethernet Adapter

• Enhanced bandwidth for demanding workloads
• Reduced network congestion
• Improved server-to-server communication
• Reliable enterprise-grade networking performance

Applications and Deployment Environments

• Enterprise data centers
• Cloud computing infrastructure
• Virtualized server environments
• High-performance computing platforms
• Large-scale database systems
• Network-intensive business applications

HPE P21112-B21 2 Ports QSFP28 Ethernet Adapter Overview

The HPE P21112-B21 2 Ports QSFP28 Ethernet Adapter is a high-performance networking solution designed to deliver advanced connectivity, exceptional bandwidth capability, and reliable data communication for modern enterprise server environments. Built for demanding data center applications, this dual-port Ethernet adapter provides organizations with the ability to support high-speed network infrastructures while improving server efficiency, application performance, and overall network scalability.

As businesses continue to adopt cloud computing, virtualization, artificial intelligence, analytics platforms, and high-performance computing workloads, traditional networking solutions are often unable to handle increasing traffic demands. The HPE P21112-B21 QSFP28 Ethernet Adapter addresses these challenges by providing high-speed network interfaces that enable servers to communicate rapidly with storage systems, switches, and other critical infrastructure components.

Designed for compatibility with HPE ProLiant server platforms, this adapter integrates seamlessly into enterprise environments where performance, reliability, and operational flexibility are essential. The QSFP28 interface technology supports advanced Ethernet connectivity, making it an ideal choice for organizations looking to upgrade their data center networks and prepare their infrastructure for future bandwidth requirements.

Advanced QSFP28 Ethernet Technology for Enterprise Networking

Understanding QSFP28 Interface Capabilities

The QSFP28 form factor represents one of the most widely adopted technologies for high-speed Ethernet networking. Unlike older network adapter designs, QSFP28 interfaces are engineered to support significantly higher data transfer rates through compact, energy-efficient connections. The HPE P21112-B21 2 Ports QSFP28 Ethernet Adapter uses this advanced interface standard to provide flexible and scalable connectivity options for enterprise servers.

QSFP28 technology enables data centers to optimize rack space while maintaining excellent network performance. By combining multiple high-speed lanes into a single compact module, QSFP28 adapters help reduce cable complexity and improve network architecture efficiency. This makes them particularly valuable in environments where space, power consumption, and performance are important considerations.

High-Speed Data Transmission for Modern Applications

Modern businesses require networking solutions capable of handling intensive workloads such as database processing, virtualization clusters, software-defined networking, cloud platforms, and large-scale data transfers. The HPE P21112-B21 Ethernet Adapter provides the necessary bandwidth foundation to support these demanding applications.

With dual QSFP28 ports, the adapter enables multiple high-speed network connections from a single server. This allows administrators to improve network redundancy, distribute traffic efficiently, and create flexible connectivity configurations according to application requirements. The dual-port architecture also helps organizations maintain reliable communication paths between servers and network infrastructure.

HPE P21112-B21 Server Adapter Design and Architecture

Optimized for HPE ProLiant Server Environments

The HPE P21112-B21 2 Ports QSFP28 Ethernet Adapter is specifically engineered to integrate with HPE server ecosystems. HPE ProLiant servers are widely deployed across enterprise environments because of their reliability, management capabilities, and scalability. This adapter enhances these platforms by providing advanced networking capabilities required for modern workloads.

The adapter design focuses on efficient communication between server hardware and network resources. By providing a dedicated high-performance network interface, it reduces dependency on traditional onboard networking solutions and allows organizations to customize server configurations based on performance requirements.

PCI Express Connectivity for Reliable Performance

Enterprise network adapters rely on high-speed PCI Express connectivity to communicate efficiently with server processors and memory systems. The HPE P21112-B21 adapter utilizes advanced PCI Express architecture to deliver fast data movement with reduced latency.

This efficient communication path is important for applications that require rapid response times, including virtualization environments, distributed computing platforms, and enterprise database systems. The adapter helps maximize server resources by allowing network traffic to flow smoothly between connected systems.

Efficient Network Resource Utilization

The architecture of the HPE P21112-B21 allows organizations to improve network resource utilization by supporting high-performance Ethernet connectivity directly from the server. This reduces bottlenecks and enables better workload distribution across enterprise infrastructure.

Data center administrators can use this type of adapter to create efficient network designs that support increasing numbers of connected devices, virtual machines, and applications. The result is improved operational efficiency and a more scalable IT environment.

Enterprise Applications and Deployment Scenarios

Data Center Networking Solutions

The HPE P21112-B21 2 Ports QSFP28 Ethernet Adapter is well suited for professional data center environments where fast and dependable networking is required. Large organizations often operate thousands of servers that must exchange information continuously. High-performance adapters like this help maintain consistent communication between computing nodes and network systems.

Data centers supporting enterprise applications, private cloud environments, and virtualization platforms can benefit from the adapter’s ability to provide high-speed connections while maintaining reliable network operations. Its compact design and advanced interface technology make it suitable for modern server racks where efficiency is a priority.

Virtualization and Cloud Infrastructure

Virtualization technologies require powerful networking solutions because multiple virtual machines often share the same physical server resources. Network performance directly impacts the responsiveness and reliability of virtualized applications.

The HPE P21112-B21 Ethernet Adapter helps virtualization environments achieve improved network throughput by providing dedicated high-speed connectivity. It supports efficient communication between virtual machines, storage platforms, and external network resources, allowing organizations to maximize their server investments.

High-Performance Computing and Data-Intensive Workloads

Scientific computing, financial analysis, artificial intelligence, and large-scale analytics require infrastructure capable of processing and transferring massive amounts of information. Network performance is a critical component of these environments because slow communication between systems can reduce overall productivity.

By providing advanced QSFP28 Ethernet connectivity, the HPE P21112-B21 adapter supports data-intensive workloads that require fast communication between servers and storage systems. This makes it a valuable component for organizations operating demanding computing environments.

Benefits of Using HPE P21112-B21 QSFP28 Ethernet Adapter

Improved Network Performance

One of the primary advantages of the HPE P21112-B21 adapter is its ability to enhance server networking performance. High-speed Ethernet connectivity allows organizations to transfer large volumes of data quickly, reducing delays and improving application responsiveness.

Improved network performance is especially important for businesses running mission-critical applications. Faster communication between servers and infrastructure components helps maintain smooth operations and supports better user experiences.

Enhanced Scalability for Growing Businesses

Enterprise networks continue to expand as organizations add more users, applications, and connected systems. A scalable network architecture helps businesses adapt to future growth without requiring frequent hardware replacements.

The HPE P21112-B21 2 Ports QSFP28 Ethernet Adapter provides a foundation for scalable networking by supporting advanced Ethernet connectivity. Organizations can expand their infrastructure while maintaining efficient data communication across their environments.

Reliable Enterprise Connectivity

Reliability is essential for business networks that support critical operations. Network interruptions can affect productivity, customer services, and operational efficiency. Enterprise-grade adapters are designed to provide dependable performance in demanding environments.

The HPE P21112-B21 adapter delivers consistent connectivity and supports stable network operations, making it suitable for organizations that require dependable server communication.

Compatibility and Integration with Enterprise Infrastructure

Designed for Professional IT Environments

The HPE P21112-B21 QSFP28 Ethernet Adapter is developed for professional IT infrastructures that require reliable hardware integration. It works within HPE server ecosystems and supports enterprise deployment strategies where compatibility and performance are critical.

IT administrators can integrate this adapter into existing network environments to enhance server capabilities without redesigning their complete infrastructure. This makes it a practical option for organizations upgrading their data center networking systems.

Integration with Network Switch Platforms

High-speed Ethernet adapters are designed to work with compatible network switch platforms, creating efficient communication pathways between servers and networking equipment. QSFP28 connectivity enables organizations to build modern network architectures capable of supporting high-bandwidth applications.

When combined with appropriate Ethernet switches and cabling solutions, the HPE P21112-B21 adapter contributes to a powerful networking environment optimized for performance and reliability.