HP 581201-B21 Server Adapter Networking NIC
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581201-B21 HP Dual Port 10GBe Server Adapter Network Adapter Refurbished

Availability: In Stock
Part Number#: 581201-B21
List Price was: $165.38
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You Save: $122.38 (74% off)

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Short Description:
581201-B21 HP Dual Port 10GBe Server Adapter Network Adapter | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Maintenance and Troubleshooting

Like any network adapter, the HP Dual Port 10GBe Server Adapter requires regular maintenance and may require troubleshooting from time to time. Here are some tips for maintaining and troubleshooting the adapter:


  • Keep the firmware up to date: HP releases firmware updates for their adapters periodically. These updates can help fix known issues and improve the adapter's performance.
  • Clean the adapter: Dust and debris can accumulate on the adapter's heatsink and cause it to overheat. Use compressed air to blow out any dust or debris from the adapter and the server's fans.
  • Check the adapter's status lights: The adapter has several status lights that can indicate its current state. Refer to the product documentation to understand what each light means, and troubleshoot any issues accordingly.
  • Check the server logs: The server's event logs can help diagnose problems with the adapter. Look for any error messages or warnings related to the adapter.


  • Check the driver: The adapter requires specific drivers to function properly. If you're experiencing issues, check that you have the latest driver version installed and that it is compatible with your operating system.
  • Check the network connection: Ensure that the adapter is properly connected to the network and that the network cables are securely attached.
  • Check the adapter configuration: Ensure that the adapter is properly configured and that any necessary settings, such as IP address and subnet mask, are correctly entered.
  • Check the server configuration: Ensure that the server's network configuration is correct and that the adapter is assigned the correct IP address and subnet mask.
  • Contact HP support: If you've exhausted all other troubleshooting steps and are still experiencing issues, contact HP support for further assistance.

Empowering Network Administrators

The HP Dual Port 10GBe Server Adapter is a powerful tool that can empower network administrators by providing fast and reliable network connectivity. Here are some ways that the adapter can help network administrators:

  • Faster Data Transfer: With its high bandwidth and low latency, the adapter can help network administrators transfer data faster, which is especially important for applications that require real-time data transfer.
  • Improved Network Performance: The adapter's Quality of Service (QoS) features allow administrators to prioritize network traffic based on application requirements, which can improve network performance and reduce congestion.
  • Increased Network Scalability: The adapter is designed to be scalable, which means it can easily handle increased network traffic and bandwidth requirements. This is important for network administrators who are tasked with managing growing and evolving networks.
  • Easier Network Management: The adapter is compatible with a wide range of servers and operating systems, which can make it easier for network administrators to manage their networks. It also has built-in features that make it easier to configure and troubleshoot.
  • Better Reliability: The adapter is built with high-quality components and undergoes rigorous testing to ensure reliability and durability. This means that it is less likely to fail or cause downtime, which is critical for network administrators who need to keep their networks up and running.

Maximizing Bandwidth Utilization

Maximizing bandwidth utilization is an important goal for network administrators who want to ensure that their networks are performing at their best. Here are some tips for maximizing bandwidth utilization with the HP Dual Port 10GBe Server Adapter:

  • Enable Jumbo Frames: Jumbo Frames allow larger packets to be sent across the network, which can reduce the amount of overhead and increase bandwidth utilization.
  • Use Link Aggregation: Link Aggregation allows multiple network adapters to be combined into a single logical interface, which can increase bandwidth and provide redundancy.
  • Enable Receive Side Scaling (RSS): RSS distributes incoming network traffic across multiple processor cores, which can improve performance and reduce latency.
  • Use Quality of Service (QoS): QoS allows network administrators to prioritize network traffic based on application requirements, which can ensure that critical traffic receives the necessary bandwidth and reduce congestion.
  • Use Virtualization: Virtualization allows multiple virtual machines to share a single physical adapter, which can increase efficiency and reduce the amount of hardware required.
  • Use Network Monitoring Tools: Network monitoring tools allow administrators to track bandwidth utilization and identify bottlenecks or areas where additional bandwidth is required.

By implementing these tips, network administrators can maximize bandwidth utilization with the HP Dual Port 10GBe Server Adapter and ensure that their networks are performing at their best. Additionally, it is important to regularly monitor network performance and make adjustments as necessary to ensure that the network is optimized for the organization's needs.

General Information about the HPE 581201-B21

  • Device Type : Network Adapter - 2 Ports
  • Model Number or SKU# 581201-B21
  • Interface (Bus) Type : Pci Express 2.0 X8
  • Pci Specification Revision : Pcie 2.0


  • Connectivity Technology : Wired
  • Data Link Protocol : 10 Gigabit Ethernet


  • Ipv6 Support, Tcp/Ip Offloading, Quality Of Service (Qos), Jumbo Frames Support
Compliant Standards
  • IEEE 802.1q, IEEE 802.1p, IEEE 802.3x, IEEE 802.3ad (Lacp), IEEE 802.3ae, IEEE 802.3ap, IEEE 802.3az
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 581201-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.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(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.

What is the Manufacturer/Brand Warranty?

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.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

Individual product warranty mentioned on each item product description page/detail page.

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Shipping Options and Estimated Delivery Time

UPS Shipping Options:

FREE UPS® Ground (Free shipping to all orders for 48 states!)
Estimated delivery time: 4-7 business days

UPS 3 Day Select®
Estimated delivery time: 3 business days

UPS 2nd Day Air®
Estimated delivery time: 1-2 business days, Delivery by 10:30 AM or 2:00 PM

UPS Next Day Air® Standard Overnight
Estimated delivery time: Overnight 2-5 PM, Standard Overnight Delivery.

UPS Next Day Air® - Priority Overnight
Estimated delivery time: Overnight Delivery (Next Business Day) Delivery by 10:30 AM or 12:00 PM

UPS Next Day Air® First Overnight - Early A.M
Estimated delivery time: Overnight 8:00 AM, Early morning, overnight delivery for your time-critical shipments.

UPS® First Overnight - Saturday
Estimated delivery time: Overnight 8:30 AM – Saturday

FedEx Shipping Options:

FedEx Ground®
Estimated delivery time: (4–7 business days in the contiguous 48 states)
*For residential delivery via FedEx Ground use FedEx Home Delivery®
Estimated delivery time: 4−7 business days, based on the distance to the destination.

FedEx Express Saver®
Estimated delivery time: 3 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states (except Hawaii and Alaska)

FedEx 2Day®
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Available throughout all 50 states

FedEx Standard Overnight®
Estimated delivery time: Next-business-day (by 4:30 PM to U.S. businesses and by 8:00 PM to residences)
Available throughout all 50 states (Hawaii is outbound only)

FedEx Priority Overnight®
Estimated delivery time: Next-business-day (by 10:30 PM to U.S. businesses, noon to most residences)
Available throughout all 50 states

FedEx First Overnight®
Estimated delivery time: Next-business-day (by 8:30 or 9 AM to most areas)
Available throughout all 50 states

Worldwide Shipping Options:

UPS®/FedEx® International Economy

Estimated delivery time: 4-7 business days

UPS®/FedEx® International Priority

Estimated delivery time: 2-4 business days

UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days

Important notes:

  • The processing of orders with Ground Shipping can take up to 24-48 hours. But we try to process all orders the same day.
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  • You can estimate the shipping cost from the products detail page, also available on the checkout page
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