HPE 867334-B21 SFP Network Adapter
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HPE 867334-B21 Ethernet 10/25Gb 2-port 622FLR-SFP28 Refurbished

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Part Number#: 867334-B21
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Short Description:
867334-B21 Ethernet 10/25Gb 2-port 622FLR-Small Form-Factor Pluggable (SFP) Converged Network Adapter - Peripheral Component Interconnect Express (PCI-E) 3.0 x8 - 2 Port(s) - Optical Fiber | Made by HPE | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
30 Days

Product Overview for the HPE 867334-B21 Ethernet Adapter

In the realm of networking technology, the HPE 867334-B21 Ethernet 10/25Gb 2-port 622FLR-SFP28 Converged Network Adapter stands out as a powerful and versatile component. In this comprehensive guide, we will delve into the intricacies of this converged 2-port network adapter, exploring its features, applications, and the technology that powers its capabilities.


HPE, short for Hewlett Packard Enterprise, is a renowned global technology company known for providing a wide range of IT solutions, including servers, storage, Ethernet networks, software, and services.


Ethernet is a widely used networking technology that enables computers and other devices to communicate within a local area network (LAN). It forms the backbone of most modern wired networks.


The "10/25Gb" specification denotes the network adapter's capacity to support data transfer speeds of both 10 gigabits per second (Gbps) and 25 Gbps. This flexibility is crucial for adapting to varying network demands.


The "2-port" designation indicates that the network adapter has two ports, allowing it to connect to two separate networks or devices simultaneously. This feature enhances connectivity options and network redundancy.


The "622FLR-SFP28" nomenclature refers to the specific model of the converged network adapter, highlighting its compatibility with SFP28 (Small Form-Factor Pluggable 28) transceivers and its form factor for certain server configurations.

Converged Network Adapter (CNA)

As a Converged Network Adapter, the HPE 867334-B21 is designed to handle multiple types of data traffic, including Ethernet and storage traffic, over a single network connection. This convergence optimizes network infrastructure and reduces the need for separate adapters.

Dual-Speed Capability

The ability to support both 10 Gbps and 25 Gbps data transfer speeds makes this adapter versatile, catering to a range of network requirements. This dual-speed capability ensures scalability and future-proofing for evolving network environments.

Dual Ports for Enhanced Connectivity

Equipped with two ports, the adapter facilitates simultaneous connections to two networks or devices. This dual-port configuration enhances network redundancy, load balancing, and overall connectivity options.

SFP28 Compatibility

The 622FLR-SFP28 model is tailored to work with SFP28 transceivers. Small Form-Factor Pluggable 28 is a compact, high-speed optical transceiver module commonly used in data center environments.

High Bandwidth

With the capacity to handle 10/25 Gbps speeds, the HPE 867334-B21 ensures high bandwidth, making it suitable for demanding applications such as high-performance computing, virtualization, and data-intensive tasks.

RDMA (Remote Direct Memory Access) Support

RDMA support enhances data transfer efficiency by allowing data to be transferred directly between the memory of two connected systems without involving the operating system. This feature is particularly beneficial for reducing latency in data-intensive applications.

Applications Data Centers

The HPE 867334-B21 finds a natural home in data center environments where high-speed, reliable networking is paramount. Its dual-speed capability and dual-port configuration make it well-suited for handling the diverse traffic requirements within a data center.


In virtualized environments where multiple virtual machines coexist on a single physical server, the converged nature of this network adapter becomes invaluable. It efficiently handles both Ethernet and storage traffic, optimizing the performance of virtualized workloads.

High-Performance Computing (HPC)

For high-performance computing clusters tackling complex simulations and computations, the HPE 867334-B21's high bandwidth and RDMA support contribute to the seamless flow of data, enhancing the overall performance of HPC systems.

Storage Networks

Given its Converged Network Adapter design, this HPE model is well-suited for converged storage networks, where the consolidation of storage and networking traffic simplifies infrastructure and reduces costs.

Cloud Environments

In cloud computing environments, where agility and scalability are paramount, the dual-speed capability and dual-port configuration of this adapter offer the flexibility needed to adapt to varying workloads and network demands.

Converged Network Adapter Architecture

The architecture of a Converged Network Adapter is designed to support multiple traffic types over a single network connection. This includes Ethernet traffic for traditional networking and storage traffic for connecting to storage devices.

SFP28 Transceivers

The compatibility with SFP28 transceivers is a key technological feature. These transceivers, being small and pluggable, enable the easy and quick connection of the network adapter to optical fiber or copper cables.

RDMA Technology

RDMA technology enhances data transfer efficiency by enabling direct memory access between connected systems. This offloads data transfer tasks from the CPU, reducing latency and improving overall system performance.

Dual-Speed Capabilities

The ability to support both 10 Gbps and 25 Gbps speeds is made possible through advanced signaling and data processing technologies. This dual-speed capability ensures compatibility with a wide range of network configurations.

General Information about the HPE 867334-B21

  • Manufacturer: HPE
  • Part Number or SKU# 867334-B21
  • Product Type: Network Adapter

Technical Information

  • Device Type: Network Adapter
  • Form Factor: Plug-in Card
  • PCI Specification Revision: PCIe 3.0


  • Ports: 25 Gigabit SFP28 x 2
  • Connectivity Technology: Wired
  • Data Link Protocol: 10 GigE, 25 Gigabit LAN
  • Data Transfer Rate: 25 Gbps

In conclusion, the HPE 867334-B21 Ethernet 10/25Gb 2-port 622FLR-SFP28 Converged Network Adapter emerges as a robust solution for modern networking challenges. Its convergence capabilities, dual-speed flexibility, and dual-port configuration make it a versatile choice for diverse applications, from data centers to virtualized environments and high-performance computing clusters. The underlying technologies, including support for SFP28 transceivers and RDMA, showcase the adapter's commitment to delivering high-performance networking solutions.

As technology continues to advance, network adapters like the HPE 867334-B21 play a crucial role in shaping the efficiency and reliability of our interconnected world. Whether supporting the demands of data-intensive tasks or facilitating seamless communication in virtualized environments, this converged network adapter stands as a testament to HPE's commitment to innovation in the realm of networking technology.

Product Condition:
Warranty provided by ALLHDD.COM:
30 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

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