629138-B21 HPE 526flr 10GB 2 Port Flexfabric Adapter

Overview of HPE FlexFabric 10Gb 2-Port Adapter

The 629138-B21 HPE 526flr FlexFabric 10GB 2 Port Adapter represents a high-performance, dual-port network interface solution designed for enterprise-grade Hewlett Packard Enterprise (HPE) server environments. Built to support converged networking requirements, this adapter integrates advanced FlexFabric architecture to enable seamless handling of data, storage, and networking traffic over a unified infrastructure. As modern data centers increasingly demand high bandwidth, low latency, and scalable connectivity, this adapter plays a critical role in optimizing server I/O performance while reducing hardware complexity.

Details Information

• Brand: Hewlett Packard Enterprise (HPE)
• Model Number: 629138-B21
• Category: Network Device

Technical Specifications

• Product Type: Network Adapter
• Design: Plug-in Card
• Interface Type: FlexibleLOM
• PCI Version: PCIe 2.0
• Interfaces: 2 x 10Gb Ethernet - SFP+

Networking Features

• Ports: 2 x 10Gb SFP+ Ports
• Technology: Wired Connectivity
• Protocol: 10Gb Ethernet LAN
• Maximum Data Speed: 10 Gbps

Advanced Functionalities

• Auto-Negotiation
• Jumbo Frame Support
• PXE Boot Support
• Large Send Offload (LSO)
• TCP Segmentation Offload (TSO)
• Receive Side Scaling (RSS)

Compliant Standards

• IEEE 802.1q
• IEEE 802.1p
• IEEE 802.3x
• IEEE 802.3ad (LACP)
• IEEE 802.1ae
• IEEE 802.1qbb
• IEEE 802.1qaz

HPE 526flr FlexFabric 10GB 2 Port Adapter 

Positioned within the broader category of server network adapters and converged network interface cards (CNICs), the 629138-B21 HPE 526flr FlexFabric 10GB 2 Port Adapter is engineered to support virtualization, cloud computing, and high-throughput enterprise applications. Its dual-port 10Gb Ethernet capability ensures redundancy, load balancing, and improved network efficiency, making it a preferred choice for mission-critical deployments.

Enterprise Networking Category

Within enterprise IT infrastructure, network adapters like the 629138-B21 HPE 526flr FlexFabric 10GB 2 Port Adapter fall under the broader categories of server connectivity hardware, NICs (Network Interface Cards), and converged fabric adapters. These subcategories are essential components in building scalable data center architectures where compute, storage, and networking resources are tightly integrated.

The subcategory of FlexFabric adapters specifically refers to HPE’s converged networking technology, which enables Ethernet and Fibre Channel over Ethernet (FCoE) capabilities. This allows organizations to reduce the number of physical adapters required per server while improving bandwidth utilization and simplifying network management.

629138-B21 HPE 526flr FlexFabric 10GB 2 Port Adapter

The 629138-B21 HPE 526flr FlexFabric 10GB 2 Port Adapter is built to deliver robust performance through its dual 10 Gigabit Ethernet ports. Each port supports high-speed data transmission, enabling efficient handling of large-scale workloads such as virtualization clusters, database operations, and high-performance computing tasks.

Key specifications include support for advanced offloading technologies, PCIe-based integration, and compatibility with HPE ProLiant servers. The adapter is designed to reduce CPU overhead by offloading networking tasks such as checksum calculations, segmentation, and packet processing. This results in improved server efficiency and higher application performance. Additional capabilities include support for VLAN tagging, jumbo frames, PXE boot, and remote management features, all of which are essential in enterprise environments where automation and scalability are priorities.

FlexFabric Architecture and Converged Networking Design

The FlexFabric architecture used in the 629138-B21 HPE 526flr FlexFabric 10GB 2 Port Adapter is designed to unify multiple network traffic types onto a single converged infrastructure. This includes LAN (Local Area Network), SAN (Storage Area Network), and management traffic. By consolidating these workloads, organizations can significantly reduce hardware costs and simplify network design.

FlexFabric technology supports virtualization-aware networking, allowing virtual machines to dynamically allocate bandwidth and network resources based on workload demands. This ensures consistent performance across virtualized environments while maintaining isolation between workloads for security and stability.

Performance Optimization and Bandwidth Efficiency

One of the primary advantages of the 629138-B21 HPE 526flr FlexFabric 10GB 2 Port Adapter is its ability to optimize bandwidth utilization. With 10Gbps per port, the adapter supports high-volume data transfers with minimal latency, making it suitable for environments such as cloud data centers, virtualization clusters, and storage replication systems.

Advanced features such as TCP/IP offloading, large send offload (LSO), and receive side scaling (RSS) contribute to maximizing throughput while minimizing CPU usage. This allows servers to allocate more processing power to applications rather than network processing tasks.

Virtualization and Cloud Computing Integration

The 629138-B21 HPE 526flr FlexFabric 10GB 2 Port Adapter is optimized for virtualized environments such as VMware, Microsoft Hyper-V, and KVM-based infrastructures. Its ability to support multiple virtual NICs (vNICs) per physical port enables efficient traffic segmentation and resource allocation across virtual machines.

In cloud computing environments, the adapter supports dynamic scaling of workloads by ensuring consistent network performance even during peak usage periods. This makes it highly suitable for private cloud deployments, hybrid cloud architectures, and software-defined data centers (SDDC).

Data Center Deployment and Use Cases

The 629138-B21 HPE 526flr FlexFabric 10GB 2 Port Adapter is widely deployed in enterprise data centers where high availability and performance are critical. Common use cases include database clustering, virtualization hosts, enterprise resource planning (ERP) systems, and large-scale storage replication.

It is also frequently used in high-performance computing (HPC) environments where large datasets must be processed quickly and efficiently. The dual-port configuration ensures redundancy, allowing uninterrupted network connectivity in case of port failure or maintenance operations.

Compatibility with HPE Server Infrastructure

This adapter is specifically designed for integration with HPE ProLiant servers and related enterprise hardware. Its form factor and firmware compatibility ensure seamless installation and operation within supported systems. Administrators benefit from simplified driver management and unified firmware updates through HPE management tools.

Compatibility extends to various HPE networking ecosystems, allowing integration with existing switches, storage systems, and management frameworks. This ensures consistent performance and interoperability across the entire infrastructure stack.

Network Virtualization Features and Benefits

Network virtualization is a key feature of the 629138-B21 HPE 526flr FlexFabric 10GB 2 Port Adapter. It enables logical segmentation of physical network resources, allowing multiple virtual networks to operate independently over a single physical interface. This improves security by isolating traffic between tenants or applications, while also increasing flexibility in network design. Administrators can dynamically adjust network configurations without requiring physical changes to the infrastructure.

Scalability in Enterprise Data Centers

Scalability is a core requirement for modern IT infrastructure, and the 629138-B21 HPE 526flr FlexFabric 10GB 2 Port Adapter supports this through its high-bandwidth design and flexible configuration options. As workloads grow, additional servers equipped with these adapters can be seamlessly integrated into existing environments. This allows organizations to expand their computing capacity without redesigning their network architecture, reducing operational complexity and long-term costs.

Comparison with Standard Network Interface Cards

Compared to traditional network interface cards, the 629138-B21 HPE 526flr FlexFabric 10GB 2 Port Adapter offers significantly enhanced functionality. Standard NICs typically handle only basic Ethernet traffic, whereas FlexFabric adapters support converged networking, virtualization optimization, and advanced offloading capabilities.

This makes the adapter more suitable for enterprise environments where performance, scalability, and efficiency are critical requirements. The reduction in hardware components also simplifies rack design and reduces power consumption.

Energy Efficiency and Hardware Optimization

The 629138-B21 HPE 526flr FlexFabric 10GB 2 Port Adapter is designed with energy efficiency in mind. By consolidating multiple network functions into a single adapter, it reduces the number of physical components required within a server. This leads to lower overall power consumption and reduced heat output. Efficient workload handling and offloading mechanisms further contribute to optimized server performance, ensuring that energy resources are used effectively across data center operations.

Security Features and Traffic Isolation

Security is a fundamental aspect of enterprise networking, and this adapter supports multiple mechanisms for ensuring secure data transmission. VLAN segmentation, traffic isolation, and hardware-based offloading contribute to maintaining secure communication channels between different workloads. These features are particularly important in multi-tenant environments where data isolation and compliance are critical requirements. The adapter helps enforce security policies at the hardware level, reducing reliance on software-based controls alone.

Enterprise Deployment Strategy and Best Practices

When deploying the 629138-B21 HPE 526flr FlexFabric 10GB 2 Port Adapter at scale, organizations should adopt standardized configuration templates to ensure consistency across servers. This includes uniform VLAN assignments, consistent driver versions, and aligned firmware baselines. Best practices also include implementing redundancy strategies, such as teaming both ports for failover and load balancing. This enhances network resilience and ensures continuous uptime for critical applications.