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

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Part Number#: 665249-B21
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Short Description:
665249-B21 Ethernet Small Form-Factor Pluggable Plus (SFP+) 2 Ports 10 Gigabytes Per Second (GBPS) Peripheral Component Interconnect Express (PCI-E) Network Adapter for G8 G9 | Made by HPE | Brand New 3 Years Warranty
Brand Warranty:
3 Years Warranty
Product Condition:
New Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

More Information for 2 Ports Adapter

In the fast-paced world of technology, businesses rely heavily on robust and efficient networking solutions to ensure seamless communication and data transfer. The HPE 665249-B21 Ethernet 2 Ports Small Form-Factor Pluggable Plus (SFP+) 10 Gigabytes Per Second (GBPS) Ethernet Peripheral Component Interconnect Express (PCI-E) Network Adapter for G8 G9 stands out as a high-performance networking solution designed to meet the demands of modern computing environments. In this comprehensive guide, we'll delve into the key features, benefits, and technical specifications of this cutting-edge network adapter.

Key Features of HPE 665249-B21 Ethernet Adapter

  • Ethernet Connectivity at 10 GBPS: The HPE 665249-B21 Ethernet adapter boasts two Small Form-Factor Pluggable Plus (SFP+) ports, each capable of delivering lightning-fast data transfer rates of 10 Gigabytes Per Second (GBPS). This high bandwidth ensures that your network can handle the demands of bandwidth-intensive applications, enabling smoother and more efficient data communication.
  • Small Form-Factor Pluggable Plus (SFP+) Technology: Leveraging Small Form-Factor Pluggable Plus (SFP+) technology, this adapter provides flexibility in choosing and changing the type of optical transceiver according to your specific network requirements. The SFP+ form factor is known for its compact size, making it ideal for environments where space is at a premium.
  • PCI-E Interface for High-Speed Connectivity: The integration of Peripheral Component Interconnect Express (PCI-E) technology ensures that the HPE 665249-B21 adapter delivers optimal performance and low latency. The PCI-E interface enables high-speed connectivity between the network adapter and the server, allowing for efficient data transmission and reducing potential bottlenecks.

Benefits of HPE 665249-B21 Ethernet Adapter

  • Enhanced Network Performance: The 10 GBPS data transfer rate of the HPE 665249-B21 adapter significantly enhances network performance. This is particularly beneficial in scenarios where large volumes of data need to be transferred quickly, such as in data centers, virtualized environments, and high-performance computing clusters.
  • Scalability and Flexibility: With two SFP+ ports, this network adapter provides scalability and flexibility to accommodate the evolving needs of your network. The ability to use different types of SFP+ transceivers allows for easy customization based on the specific requirements of your organization.
  • Reliable and Robust Connectivity: Designed for HPE ProLiant Gen8 and Gen9 servers, the HPE 665249-B21 adapter ensures reliable and robust connectivity. The compatibility with these server generations instills confidence in users, knowing that the adapter is optimized for seamless integration and performance within HPE server environments.
  • Cost-Efficient Solution: Investing in the HPE 665249-B21 Ethernet adapter represents a cost-efficient solution for upgrading network capabilities. The adapter's high performance and scalability contribute to a more efficient use of network resources, potentially reducing the need for extensive infrastructure upgrades.

Use Cases and Applications

The HPE 665249-B21 Ethernet adapter finds application in a variety of scenarios where high-speed, reliable network connectivity is paramount. Some key use cases include:

  • Data Centers: In data center environments, where the demand for rapid data transfer is constant, the HPE 665249-B21 adapter excels. Its 10 GBPS throughput ensures that data-intensive applications and virtualized workloads can operate seamlessly.
  • High-Performance Computing (HPC) Clusters: HPC clusters require robust networking solutions to handle the parallel processing demands of scientific and engineering applications. The HPE 665249-B21 adapter's high bandwidth makes it an ideal choice for HPC environments.
  • Virtualized Environments: Virtualized servers and applications benefit from the adapter's ability to handle large volumes of network traffic efficiently. This is crucial for maintaining the performance and responsiveness of virtualized resources.
  • Enterprise Networking: For enterprises with growing networking needs, the HPE 665249-B21 adapter provides scalability and flexibility. Its compatibility with HPE ProLiant Gen8 and Gen9 servers makes it a reliable choice for businesses relying on HPE infrastructure.

Impact on G8 G9 Servers

The HPE 665249-B21 Ethernet Network Adapter is specifically designed to complement G8 and G9 servers. Let's explore how this adapter can positively impact the performance and capabilities of these server generations:

  • Optimized for Server Workloads: The compatibility of the HPE 665249-B21 with G8 and G9 servers means that it is optimized for the specific workloads and demands of these server generations. This ensures a harmonious integration that maximizes performance without compromising stability.
  • Seamless Integration with HPE Ecosystem: HPE has built a comprehensive ecosystem of hardware and software solutions. The 665249-B21 is crafted to seamlessly integrate with this ecosystem, providing a cohesive and reliable network infrastructure within the broader HPE server environment.
  • Facilitating Server Virtualization: In an era where server virtualization is increasingly prevalent, the HPE 665249-B21 plays a crucial role. Its high-speed data transfer rates and dual-port design make it well-suited for virtualized environments, where the ability to handle multiple tasks simultaneously is essential.
  • Supporting High-Performance Computing: G8 and G9 servers are often deployed in high-performance computing (HPC) environments. The HPE 665249-B21, with its 10 GBPS data transfer rates and PCI-E interface, caters to the demands of HPC applications that require fast and efficient communication between nodes.

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

In short, the HPE 665249-B21 Ethernet 2 Ports Small Form-Factor Pluggable Plus (SFP+) 10 Gigabytes Per Second (GBPS) Ethernet Peripheral Component Interconnect Express (PCI-E) Network Adapter for G8 G9 stands as a testament to HPE's commitment to delivering high-performance networking solutions. With its impressive data transfer rates, flexibility in transceiver options, and seamless integration with HPE servers, this adapter is poised to meet the networking demands of modern computing environments. Whether deployed in data centers, HPC clusters, virtualized environments, or enterprise networks, the HPE 665249-B21 adapter shines as a reliable and cost-effective solution for organizations seeking to optimize their network infrastructure.

Brand Warranty:
3 Years Warranty
Product Condition:
New Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

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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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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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