HPE 665249-B21 2 Ports Network Adapter
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665249-B21 HPE Ethernet 10Gb 2 Ports 560SFP+ Network Adapter Refurbished

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Part Number#: 665249-B21
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Short Description:
665249-B21 Ethernet 2 Ports Small Form-Factor Pluggable Plus (SFP+) 10 Gigabytes Per Second (GBPS) Peripheral Component Interconnect Express (PCI-E) Network Adapter for G8 G9 | Made by HPE | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Product Overview of 2 Ports SFP+ Network Adapter

The HPE 665249-B21 is a powerful and versatile Ethernet network adapter designed to enhance network connectivity for HPE ProLiant G8 and G9 servers. This adapter is equipped with advanced features, including Small Form-Factor Pluggable Plus (SFP+) technology, which enables high-speed data transfer at 10 Gigabytes Per Second (GBPS) over the Peripheral Component Interconnect Express (PCI-E) interface. In this comprehensive review, we will delve into the key specifications, performance capabilities, and benefits of the HPE 665249-B21, offering valuable insights for potential users and IT professionals.

Key Features and Specifications

Small Form-Factor Pluggable Plus (SFP+) Technology

The HPE 665249-B21 utilizes SFP+ technology, a compact and hot-pluggable transceiver design that allows for flexible and efficient connectivity. SFP+ modules are easily replaceable and support a variety of optical and copper cable types, offering scalability and adaptability to different network environments.

High-Speed Data Transfer

With a data transfer rate of 10 Gigabytes Per Second (GBPS), this Ethernet adapter provides blazing-fast connectivity, making it ideal for data-intensive applications, high-performance computing, and virtualization environments. The increased bandwidth ensures smooth and reliable data transmission, reducing latency and improving overall network efficiency.

PCI Express (PCI-E) Interface

The HPE 665249-B21 is designed with a PCI-E interface, specifically tailored for seamless integration with HPE ProLiant G8 and G9 servers. The PCI-E interface enhances data transfer efficiency and minimizes latency, ensuring optimal performance for mission-critical applications.

Performance and Reliability

Scalability and Flexibility

The SFP+ technology employed by the HPE 665249-B21 offers scalability and flexibility in network design. System administrators can choose from a range of SFP+ modules, including short-range and long-range optics, as well as copper cables, to meet the specific requirements of their network architecture.

Enhanced Virtualization Support

For organizations leveraging virtualization technologies, the HPE 665249-B21 provides enhanced support. The high-speed connectivity and low-latency design make it well-suited for virtualized environments, ensuring that virtual machines operate efficiently without performance bottlenecks.

Reliability and Redundancy

Reliability is a critical factor in enterprise-level networking, and the HPE 665249-B21 addresses this with features such as link aggregation and failover support. These features contribute to increased network reliability by providing redundancy and ensuring uninterrupted connectivity in the event of a link failure.

Quality of Service (QoS) Optimization

The adapter includes Quality of Service (QoS) optimization features, allowing administrators to prioritize network traffic based on application requirements. This ensures that critical applications receive the necessary bandwidth, preventing congestion and maintaining consistent performance across the network.

Security Features

Data Encryption Support

In today's security-conscious environment, data protection is a top priority. The HPE 665249-B21 includes support for data encryption protocols, ensuring the secure transmission of sensitive information over the network. This feature is particularly valuable for industries with stringent compliance requirements, such as finance and healthcare.

Secure Boot and Firmware Validation

To mitigate the risk of unauthorized access and tampering, the HPE 665249-B21 features secure boot and firmware validation mechanisms. These security measures enhance the integrity of the adapter's firmware, safeguarding against potential threats and unauthorized modifications that could compromise the network's security.

Benefits of HPE 665249-B21 Ethernet Adapter

Enhanced Network Performance

The primary advantage of deploying the HPE 665249-B21 Ethernet Adapter lies in its ability to significantly enhance network performance. The 10 GBPS data transfer rate ensures that data-intensive tasks, such as large file transfers and data backups, are executed swiftly, reducing latency and improving overall network efficiency.

Scalability and Flexibility

The SFP+ form factor not only supports high-speed data transfer but also provides scalability and flexibility. Organizations can easily adapt their network configurations by hot-swapping SFP+ modules, allowing for seamless adjustments to meet changing business requirements.

Future-Proofing with PCI-E

The adoption of the PCI-E interface future-proofs the network infrastructure. As technology advances, the PCI-E interface ensures that the HPE 665249-B21 Ethernet Adapter remains compatible with emerging hardware standards, extending the lifespan of the investment.

Seamless Integration with G8 G9 Servers

Designed specifically for HPE Gen8 (G8) and Gen9 (G9) servers, the HPE 665249-B21 Ethernet Adapter seamlessly integrates with existing server infrastructure. This compatibility streamlines the deployment process and ensures a harmonious coexistence with other server components.

General Information about this HPE 665249-B21

  • Manufacturer: HPE
  • Part Number or SKU# 665249-B21
  • Product Name: Network Adapter
  • Product Type: 2 Port Adapter

Networking of 2 Ports Adapter

  • Form Factor: Stand Up - Plug-in Card
  • Interface (Bus) Type: PCI Express 2.0 x8
  • PCI Specification Revision: PCI 2.0
  • Bundled with: Low Profile Bracket
  • Connectivity Technology: Wired
  • Data Link Protocol: 10 Gigabit Ethernet
  • Data Rate: 2 ports, each at 10Gbps
  • Features: VLAN support, IPv6 support, Jumbo Frames support, IPv4 support, PXE support, TCP Segmentation Offload (TSO)
  • Network / Transport Protocol: TCP/IP, UDP/IP
  • Ports: 10Gb Ethernet x 2
  • Status Indicators: Port status, link/activity
  • IEEE Compliance: 802.3, 802.1ab, 802.3x, 802.3ad, 802.1p/ 802.1q, 802.3ae, 802.1Qau, 1588

Expansion / Connectivity

  • Compatible Slots: 1 x PCI Express 2.0 x8
  • Interfaces: 2 x 10Gb Ethernet - SFP+

Processor / Memory

  • Network Processor: Intel® 82599 Controller (Intel Ethernet Converged Network Adapter X520-DA2)
  • RAM: 256 MB


  • Power Consumption Operational: 10 Watt

Environmental Parameters

  • Operating Temperature: 0° to 55°C (32° to 131°F)
  • Non-Operating Temperature: -65° to 85° C (-85° to 185° F)
  • Operating Humidity: 10% to 90% non-condensing
  • Non-operating Humidity: 5% to 95% non-condensing


  • HPE ProLiant DL Series: DL160 Gen8, DL160 Gen8 Base, DL180 Gen9, DL180 Gen9 Base, DL180 Gen9 Entry, DL180 Gen9 Storage, DL20 Gen9, DL20 Gen9 Entry, DL20 Gen9 Performance, DL20 Gen9 Solution, DL320e Gen8, DL320e Gen8 Base, DL320e Gen8 Entry, DL320e Gen8 Performance, DL360e Gen8, DL360e Gen8 Base, DL360e Gen8 Entry, DL360e Gen8 Performance, DL360e Gen8 Special Server, DL360p Gen8, DL360p Gen8 CMS, DL360p Gen8 Special Server, DL380 Gen9 High Performance, DL380e Gen8, DL380e Gen8 Base, DL380e Gen8 Entry, DL380e Gen8 High Performance, DL380e Gen8 Storage, DL380p Gen8 Special, DL385p Gen8, DL385p Gen8 Dedicated Workload, DL385p Gen8 Entry, DL385p Gen8 Maximized Consolidation, DL385p Gen8 Storage, DL560 Gen8, DL560 Gen8 Base, DL560 Gen8 Entry, DL560 Gen8 Performance, DL560 Gen9, DL560 Gen9 Base, DL560 Gen9 Entry, DL560 Gen9 Performance, DL80 Gen9 Entry
  • HPE ProLiant XL Series: XL170r Gen9, XL190r Gen9, XL270d Gen9
  • HPE SimpliVity: 380 Gen9 Node
  • HPE StoreEasy: 1450, 1850, 3850 Gateway Single Node

Outline, the HPE 665249-B21 Ethernet 2 Ports Small Form-Factor Pluggable Plus (SFP+) 10 Gigabytes Per Second (GBPS) Ethernet PCI-E Network Adapter for G8 G9 is a high-performance and reliable solution for organizations seeking to enhance their server connectivity. With features such as SFP+ technology, high-speed data transfer, PCI-E interface, and robust security measures, this adapter is well-suited for demanding enterprise environments.

Whether deployed in virtualized data centers, high-performance computing clusters, or traditional server setups, the HPE 665249-B21 delivers the scalability, performance, and reliability required to meet the evolving needs of modern IT infrastructure. Its seamless integration with HPE ProLiant G8 and G9 servers, coupled with easy installation and robust management capabilities, makes it a valuable asset for IT professionals looking to optimize their network connectivity.

Product Condition:
Warranty provided by ALLHDD.COM:
90 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.

Here, you can check more available conditions of your desired product 665249-B21 at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.

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What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

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(b) any misuse outside the instructions in the user manual for any specific product;

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In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
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