HPE 817738-B21 Dual-Ports Adapter
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HPE 817738-B21 2-Ports Ethernet 10GB Network Adapter 10GBPS New

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Part Number#: 817738-B21
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Short Description:
817738-B21 10GB (Gigabyte) Ethernet Dual-Ports Gigabits Per Second (10GBPS) Peripheral Component Interconnect Express (PCIe or PCI-E) 3.0 x4 562T Network Adapter | Made by HPE | Brand New 3 Years Warranty
Brand Warranty:
3 Years from the Manufacturer
Product Condition:
New Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

Product Overview of 10GB Dual-Ports Network Adapter

The HPE 817738-B21 10GB Dual-Ports Network Adapter is a cutting-edge solution designed to enhance network connectivity, providing reliable and high-speed data transfer. In this detailed explanation, we will delve into the various features and specifications of this network adapter, breaking down its key components and benefits in simple English for a comprehensive understanding.

Overview of HPE 817738-B21

The HPE 817738-B21 is a network adapter developed by Hewlett Packard Enterprise (HPE), a renowned name in the IT industry. This particular model stands out due to its 10 Gigabits Per Second (10GBPS) data transfer rate, making it a suitable choice for enterprises and data centers requiring fast and efficient network connectivity.

Gigabyte Dual-Ports Design

One standout feature of this network adapter is its dual-ports design. Having two ports allows for increased flexibility in network configurations, enabling better load balancing and redundancy. This is particularly crucial in mission-critical environments where network uptime is paramount.

High-Speed Data Transfer with PCIe 3.0 x4

The HPE 817738-B21 utilizes Peripheral Component Interconnect Express (PCIe or PCI-E) 3.0 x4 technology to achieve high-speed data transfer. PCIe 3.0 x4 indicates that the network adapter is compatible with the third generation of PCIe, offering four lanes for data transmission. This ensures optimal performance and efficiency in data transfer between the adapter and the connected devices.

Importance of Network Speed: Gigabits Per Second (Gbps)

Network speed is a critical factor in determining the efficiency and performance of data transfer. The term "Gigabits Per Second" (Gbps) refers to the rate at which data is transmitted over a network. In the context of the HPE 817738-B21, its 10GB (Gigabyte) speed implies the capability to transfer data at a rate of 10 gigabits per second. This high-speed capability is particularly advantageous in scenarios where large volumes of data need to be transferred quickly and reliably.

Peripheral Component Interconnect Express (PCIe)

The HPE 817738-B21 utilizes Peripheral Component Interconnect Express (PCIe or PCI-E) technology. PCIe is a high-speed interface standard commonly used for connecting various hardware components inside a computer. In this context, the PCIe 3.0 x4 designation indicates the specific version and the number of lanes the network adapter uses to communicate with the computer's motherboard.

Key Features for 10GB Network Adapter

Let's explore the key features that make the HPE 817738-B21 a standout choice for organizations seeking advanced network solutions.

Speed and Bandwidth

The primary feature of this network adapter is its impressive 10 Gigabits Per Second data transfer rate. This speed is crucial for handling large volumes of data quickly and efficiently. Whether it's for data-intensive applications or high-throughput tasks, the HPE 817738-B21 ensures that the network can keep up with the demands of modern computing.

Dual-Ports for Enhanced Connectivity

The inclusion of dual ports provides a significant advantage in terms of connectivity. With two ports, users can distribute network traffic across both ports, preventing bottlenecks and optimizing overall network performance. Additionally, the dual-port design offers a level of redundancy, ensuring continuous network availability even if one port fails.

PCIe 3.0 x4 Technology

The use of PCIe 3.0 x4 technology further enhances the network adapter's capabilities. PCIe 3.0 represents the third generation of the Peripheral Component Interconnect Express standard, offering improvements in speed and efficiency compared to its predecessors. The x4 configuration signifies that the adapter uses four lanes for data transmission, maximizing the available bandwidth.

Scalability and Future-Proofing

As technology evolves, scalability becomes a critical consideration. The HPE 817738-B21 is designed with scalability in mind, providing a solution that can grow with the expanding needs of an organization. By incorporating the latest PCIe technology, this network adapter offers a level of future-proofing, ensuring compatibility with upcoming hardware advancements.

Use Cases of Dual-Ports Network Adapter

Understanding the practical applications of the HPE 817738-B21 is crucial for organizations considering its adoption. Let's explore common use cases where this network adapter excels.

Data Centers

In the dynamic environment of a data center, high-speed and reliable network connectivity is non-negotiable. The HPE 817738-B21, with its 10GBPS data transfer rate and dual-ports design, is well-suited for data centers where the demand for fast and efficient data processing is constant.

Enterprise Networks

Large enterprises with extensive network infrastructure can benefit from the scalability and performance of the HPE 817738-B21. Whether it's handling a multitude of user connections or facilitating seamless communication between different departments, this network adapter provides the necessary speed and reliability.

Virtualization Environments

Virtualization environments, where multiple virtual machines coexist on a single physical server, require robust network connectivity. The HPE 817738-B21, with its dual ports and PCIe 3.0 x4 technology, can effectively handle the increased network traffic generated by virtualized workloads.

Advantages and Benefits

Investing in the HPE 817738-B21 network adapter brings several advantages to the table. Let's explore the key benefits that organizations can expect from this cutting-edge solution.

Increased Productivity

The high-speed data transfer capability of the HPE 817738-B21 translates to increased productivity for users and applications relying on network resources. Reduced latency and faster response times contribute to a more efficient working environment.

Reliability and Redundancy

The dual-ports design enhances the reliability of network connections by providing a built-in redundancy mechanism. In the event of a port failure, the second port takes over seamlessly, minimizing downtime and ensuring continuous network availability.

Future-Proofing Investments

With PCIe 3.0 x4 technology, the HPE 817738-B21 offers a level of future-proofing for organizations. As technology advances, having a network adapter that can leverage the latest standards ensures compatibility with upcoming hardware and software developments.

Scalability for Growing Needs

The scalability of the HPE 817738-B21 makes it an ideal choice for organizations experiencing growth. Whether expanding the network infrastructure or accommodating increased data processing requirements, this network adapter can scale to meet evolving needs.

Limitations and Considerations

While the HPE 817738-B21 offers a range of features and benefits, it's essential to be aware of any limitations or considerations that may impact its suitability for specific use cases.


High-performance network adapters, such as the HPE 817738-B21, may come with a higher upfront cost. Organizations need to weigh the performance benefits against the budget constraints to determine if this investment aligns with their priorities.

Compatibility Checks

Before purchasing the HPE 817738-B21, thorough compatibility checks are necessary. Ensuring compatibility with existing hardware, operating systems, and network configurations is crucial to avoid potential issues during installation and operation.

More Information about this HPE 817738-B21

  • Manufacturer: HPE
  • Part Number or SKU# 817738-B21
  • Device Type: Network Adapter
  • Spare Part Number: 840137-001
  • Interface (Bus) Type: PCI Express 3.0 x4
  • Form Factor: Stand up
  • Network Processor: Intel X550-AT2
  • Data Rate: Two ports - each at 20 GBPS bi-directional; 40 GBPS bi-directional theoretical bandwidth
  • IEEE Compliance: 802.3ad, 802.3X, 802.1q, 802.1Qau, 802.1Qaz, 802.1Qbb, 802.1Qbg, IEEE1588, 802.1AS
  • Connector: RJ-45 (two)
  • Ports: 10GB Ethernet x 2
  • Connectivity Technology: Wired
  • Data Link Protocol: 10 GIGE
  • Data Transfer Rate: 10 GBPS
  • Features: Firewall protection, wake on LAN (WOL), IPv6 support, Jumbo Frames support, IPv4 support, PXE support, Single Root I/O Virtualization (SR-IOV), TCP Segmentation Offload (TSO), secure boot, Network Partitioning (NPAR), HPE Sea of Sensors 3D, IPv6 acceleration, firmware root of trust, audit logs, tunnel offload, generic segmentation offload (GSO)
Expansion / Connectivity
  • Expansion Slots: 1 x Stand up
  • Interfaces: 2 x 10GB Ethernet - RJ-45
Processor / Memory
  • Processor: 1 x X550-AT2 - Intel
  • Power Consumption Operational (Typical): 11.15 Watt
  • Power Consumption Operational (Maximum): 15.56 Watt
  • Included Accessories: Low-Profile Bracket
  • Compliant Standards: WEEE, RoHS, CE, Microsoft WHQL (Windows Hardware Quality Labs)
  • RoHS Compliance: 6 of 6
Environmental Parameters
  • Temperature (Operating): 5° to 60° C / 41° to 140° F
  • Temperature (Non-Operating): -40°C to 70°C / -40°F to 158°F
  • System Relative Humidity (Operating): Minimum to be the higher (more moisture) of -12°C(10.4°F) dew point or 8% relative humidity. Maximum to be the lower (less moisture) of 24°C (75.2°F) dew point or 90% relative humidity. (Non-condensing)
  • Humidity (Non-operating): 5 to 95% relative humidity (non-condensing)

In short, the HPE 817738-B21 10GB Dual-Ports Network Adapter stands as a powerful solution for organizations seeking to enhance their network infrastructure. With its 10GBPS data transfer rate, dual-ports design, and PCIe 3.0 x4 technology, this network adapter addresses the need for high-speed, reliable, and scalable network connectivity.

When considering the adoption of the HPE 817738-B21, organizations should assess their specific requirements, budget constraints, and compatibility with existing systems. With proper planning and implementation, this network adapter can contribute significantly to improved productivity, reliability, and future-proofing of the network infrastructure.

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

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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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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).

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