HPE 656590-B21 10GB 2 Port Networking Network Adapter
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656590-B21 HPE Flexfabric 10Gbps PCIe 2.0 Network Adapter Refurbished

Availability: In Stock
Part Number#: 656590-B21
List Price was: $765.38
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Short Description:
656590-B21 HPE Flexfabric 10Gbps PCIe 2.0 Network Adapter for ProLiant. Refurbished.
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Features and Benefits

The features and benefits of the 656590-B21 HPE Flexfabric 10GBPS PCIe 2.0 Network Adapter are as follows:


  • High-speed connectivity: The HPE Flexfabric Adapter provides 10 gigabit per second (Gbps) data transfer rate, which is ten times faster than the typical gigabit ethernet network.
  • PCIe 2.0 interface: The adapter has a PCIe 2.0 x8 interface, which provides fast and reliable connectivity to the server.
  • Virtualization support: The HPE Flexfabric Adapter supports virtualization technologies like VMware and Hyper-V, enabling a flexible and scalable virtualized infrastructure.
  • Advanced networking features: The adapter supports advanced networking features like Quality of Service (QoS), VLAN tagging, and TCP/IP offloading, which helps to optimize network performance.
  • Dual-port connectivity: The adapter has dual ports, allowing for redundant connections and improved network availability.


  • Increased network performance: With the high-speed connectivity and advanced networking features, the HPE Flexfabric Adapter delivers faster and more reliable network performance, reducing network latency and improving the overall user experience.
  • Improved server efficiency: The adapter's virtualization support allows for a more flexible and scalable virtualized infrastructure, improving server efficiency and reducing hardware costs.
  • Better network management: The advanced networking features, such as VLAN tagging and QoS, enable better network management and control, improving network security and reliability.
  • Enhanced data transfer: The HPE Flexfabric Adapter's dual-port connectivity and PCIe 2.0 interface enable faster data transfer rates, reducing data transfer times and improving data center efficiency.
  • Cost-effective solution: The adapter's advanced features and benefits come at a cost-effective price point, making it an ideal solution for businesses looking to improve their network performance and efficiency while keeping costs low.
Installation HPE Flexfabric

Here is a general guide to installing the HPE Flexfabric 10GBPS PCIe 2.0 Network Adapter:

  • Shut down your server and unplug it from the power source.
  • Locate an available PCIe x8 or x16 slot on the motherboard of your HPE ProLiant server. The HPE Flexfabric Adapter is compatible with PCIe 2.0 x8 and x16 slots.
  • Remove the bracket from the adapter and insert the adapter into the PCIe slot, making sure it is properly seated.
  • Secure the adapter by screwing in the bracket.
  • Connect the network cable to the adapter's RJ-45 port.
  • Plug in the power supply to the server and power it on.
  • Install the necessary drivers and software for the adapter. You can download the latest drivers and software from the HPE website.
  • Configure the adapter using the HPE network configuration tool or the operating system's network configuration tools.
  • Test the adapter's connectivity and performance by running network tests and monitoring network traffic.
  • Once you have confirmed that the adapter is working correctly, you can begin using it to improve the network performance and efficiency of your HPE ProLiant server.

It's important to follow the specific installation instructions provided in the adapter's user manual or the server's documentation to ensure proper installation and avoid any potential issues.

Configuring and Managing

Configuring and managing the HPE Flexfabric 10GBPS PCIe 2.0 Network Adapter involves several steps, which are as follows:

  • Install the necessary drivers and software for the adapter. You can download the latest drivers and software from the HPE website.
  • Configure the adapter's basic settings, such as IP address, subnet mask, gateway, and DNS servers, using the HPE network configuration tool or the operating system's network configuration tools.
  • Configure the adapter's advanced networking features, such as VLAN tagging, QoS, and TCP/IP offloading, to optimize network performance. You can configure these settings using the HPE network configuration tool or the operating system's network configuration tools.
  • Monitor the adapter's performance and network traffic using the HPE network management tools or third-party network monitoring tools.
  • Troubleshoot any issues that may arise with the adapter, such as connectivity issues or performance problems, using the HPE network troubleshooting tools or the operating system's network troubleshooting tools.
  • Update the adapter's firmware and drivers as needed to ensure optimal performance and compatibility with the server's operating system and network infrastructure.
  • Implement security measures, such as firewalls and access controls, to protect the network and the adapter from unauthorized access and security threats.

To effectively configure and manage the HPE Flexfabric Adapter, it's important to have a good understanding of the adapter's features and the server's network infrastructure. You can refer to the adapter's user manual and the server's documentation for detailed instructions on configuring and managing the adapter. Additionally, HPE provides technical support and online resources to assist with the installation, configuration, and management of their networking products.

General Specifications

  • Manufacturer: HPE
  • MPN: 656590-B21
  • Type: Networking
  • Adapter Type: 2 Ports-Adapter
  • Interface (Bus) Type: PCI Express 2.0 x8
  • SKU: 656590-B21


  • Connectivity Technology: Wired
  • Data Link Protocol: 100Mb LAN, GigE, 10 GigE
  • Data Transfer Rate: 10 Gbps


  • VLAN support, TCP/IP offloading, Quality of Service (QoS), Jumbo Frames support, PXE support, Receive Side Scaling (RSS)

Compliant Standards

  • IEEE 802.3, IEEE 802.3u, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.3ae, IEEE 802.3ap


  • Processor: 1 x BCM57810S - Broadcom
  • RAM: 900 MB

Expansion / Connectivity

  • Compatible Slots: 1 x FlexibleLOM


  • Compliant Standards: FCC Class A certified, VCCI, EN55022, ICES-003, IEC 60950, EN55024, UL 60950, CSA 22.2 No. 60950, MIC, AS/NZS 3548, FCC CFR47 Part 15, WEEE, RoHS, ACA

System Requirements

  • OS Required: SunSoft Solaris 10, Microsoft Windows HPC Server 2008 SP2, Microsoft Windows Server 2008 R2 SP1, Red Hat Enterprise Linux 6.1, Red Hat Enterprise Linux 5.7

Environmental Parameters

  • Min Operating Temperature: 32 °F
  • Max Operating Temperature: 131 °F
  • Humidity Range Operating: 10 - 90% (non-condensing)


  • Designed For: HPE ProLiant BL420c Gen8, BL460c Gen8, BL465c Gen8, BL660c Gen8, BL660c Gen8 Performance, WS460c Gen8, WS460c Gen8 Graphics Expansion
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 656590-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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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

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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(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

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

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

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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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