766490-B21 HPE FlexFabric 10GBPS 2-Port Adapter 536FLB Gigabit Ethernet

HPE FlexFabric 10GBPS 2-Port 536FLB Adapter 

The HPE 766490-B21 FlexFabric 536FLB is a high-performance Gigabit Ethernet adapter designed to deliver fast, reliable, and secure connectivity for enterprise environments. Built with advanced features, this dual-port 10Gbps adapter ensures seamless integration into modern data centers.

General Information

• Manufacturer: HPE
• Part Number: 766490-B21
• Device Type: Network Adapter

Interface Details

• Bus Type: PCI Express 3.0 x8

Networking Capabilities

• Ports: Dual 10Gb Ethernet
• Connectivity: Wired
• Protocol: 10 Gigabit Ethernet
• Transfer Speed: 10 Gbps
• Supported Protocols: TCP/IP
• Remote Management: SNMP

Advanced Features

Performance Enhancements

• VLAN Support
• Full Duplex Mode
• Jumbo Frame Compatibility
• PXE Boot Support
• Large Send Offload (LSO)
• Single Root I/O Virtualization (SR-IOV)
• TCP Segmentation Offload (TSO)
• Quality of Service (QoS) Tagging

Compliance Standards

IEEE Certifications

• IEEE 802.3
• IEEE 802.1Q
• IEEE 802.1P
• IEEE 802.3X
• IEEE 802.3ad (LACP)
• IEEE 802.3ae
• IEEE 802.3p
• IEEE 802.1ab (LLDP)
• IEEE 802.3ap
• IEEE 802.1qau

Expansion & Connectivity

Slot Availability

• Expansion Slot: 1 x FlexibleLOM

766490-B21 2-Port Gigabit Ethernet Network Adapter Overview

The HPE 766490-B21 FlexFabric 10Gbps 2-Port Adapter 536FLB represents a critical advancement in enterprise networking infrastructure, delivering high-performance connectivity designed for modern data centers, virtualization environments, and cloud-driven workloads. Built to meet the increasing demand for faster data transfer rates, reduced latency, and improved scalability, this network adapter enables organizations to handle bandwidth-intensive applications with ease while maintaining efficiency and reliability across operations.

As businesses continue transitioning toward hybrid cloud environments and software-defined infrastructures, the need for robust networking solutions has grown significantly. The FlexFabric architecture incorporated into this adapter provides a unified networking approach that combines Ethernet and storage traffic, reducing the complexity of managing separate networks. This integration ensures streamlined deployment, simplified cabling, and optimized resource utilization, which is essential for enterprises aiming to reduce operational overhead.

Flexible Fabric Architecture

FlexFabric technology allows organizations to consolidate multiple network types, including LAN and SAN traffic, into a single infrastructure. This convergence reduces the need for separate hardware components and simplifies network management. By enabling network virtualization, FlexFabric also enhances scalability, allowing IT teams to dynamically allocate bandwidth based on workload demands.

Low Latency and High Throughput

One of the defining characteristics of this adapter is its ability to deliver low latency communication between servers and network devices. This is achieved through advanced packet processing capabilities and optimized data pathways, ensuring that time-sensitive applications such as financial transactions, real-time analytics, and virtual desktop infrastructure operate seamlessly without delays.

Architecture and Design Considerations

Form Factor and Compatibility

The 536FLB adapter is designed with a FlexibleLOM form factor, making it compatible with a wide range of HPE ProLiant servers. This modular approach allows businesses to upgrade network capabilities without replacing entire server systems, providing a cost-effective path to improved performance. Its integration into server architecture ensures minimal footprint while maximizing functionality.

Advanced Offload Capabilities

To reduce CPU overhead and improve overall system efficiency, the adapter includes advanced offload features such as TCP/IP checksum offload, large send offload, and receive side scaling. These capabilities allow the network adapter to handle data processing tasks independently, freeing up server resources for core business applications.

Virtualization Support

In virtualized environments, network performance can often become a bottleneck. The HPE FlexFabric adapter addresses this challenge by supporting technologies such as SR-IOV and network partitioning. These features enable multiple virtual machines to share the same physical network interface while maintaining dedicated bandwidth and security isolation.

Benefits for Enterprise Data Centers

Improved Network Efficiency

The integration of FlexFabric technology ensures that organizations can achieve higher levels of efficiency by consolidating network infrastructure. This leads to reduced hardware requirements, simplified cabling, and lower maintenance costs. Additionally, the ability to dynamically allocate bandwidth ensures optimal utilization of network resources at all times.

Enhanced Scalability

As businesses grow, their networking needs evolve. The HPE 766490-B21 adapter provides the scalability required to support expanding workloads without requiring significant infrastructure changes. Its compatibility with modern server architectures and support for high-speed connectivity ensures that it remains relevant as technology advances.

Reliable Performance for Mission-Critical Applications

Reliability is a key consideration in enterprise environments, and this adapter is designed to deliver consistent performance under demanding conditions. With features such as error detection, redundancy support, and advanced traffic management, organizations can ensure uninterrupted operations even during peak usage periods.

Cloud Computing Infrastructure

Cloud service providers require high-performance networking solutions to deliver reliable services to customers. The HPE FlexFabric adapter supports multi-tenant environments by providing network segmentation and efficient traffic management, ensuring that each tenant receives consistent performance.

High-Performance Computing

For applications such as scientific simulations, data analytics, and machine learning, high-speed data transfer is essential. The low latency and high throughput capabilities of this adapter make it suitable for high-performance computing environments where large datasets need to be processed quickly.

Enterprise Storage Networks

Storage networks benefit significantly from the convergence capabilities of FlexFabric. By supporting both Ethernet and storage traffic, the adapter eliminates the need for separate network infrastructures, reducing complexity and improving data transfer efficiency between servers and storage systems.

Driver and Operating System Compatibility

Compatibility with multiple operating systems ensures that the adapter can be deployed across diverse IT environments. Whether used in Windows, Linux, or VMware platforms, it delivers consistent performance and reliability.

Network Segmentation

By enabling network partitioning, the adapter allows organizations to create isolated network segments within the same physical infrastructure. This enhances security by preventing unauthorized access and reducing the risk of data breaches.

Compliance with Industry Standards

The adapter adheres to industry standards and best practices, ensuring compatibility with regulatory requirements and providing peace of mind for organizations operating in regulated industries.

Comparison with Traditional Network Adapters

Performance Advantages

Compared to traditional Gigabit Ethernet adapters, the HPE 766490-B21 offers significantly higher bandwidth and lower latency. This translates to improved application performance and faster data processing capabilities.

Infrastructure Simplification

Traditional networking setups often require separate infrastructures for different types of traffic. The FlexFabric approach eliminates this complexity by combining multiple network functions into a single solution, reducing both cost and operational overhead.

Future-Proof Technology

With support for modern networking standards and scalable architecture, the HPE FlexFabric adapter is designed to meet future demands. This makes it a valuable investment for organizations looking to build resilient and adaptable IT infrastructures.

Future Trends and Relevance in Networking

Integration with Software-Defined Networking

As software-defined networking continues to gain traction, adapters like the HPE FlexFabric 536FLB play a crucial role in enabling dynamic and programmable network infrastructures. Their ability to support virtualization and flexible resource allocation aligns perfectly with the principles of SDN.

Adapting to Increasing Data Demands

With the exponential growth of data, organizations need networking solutions that can keep up with increasing demands. The HPE 766490-B21 adapter provides the performance and scalability required to handle large volumes of data while maintaining efficiency and reliability.