HPE 817738-B21 Ethernet Adapter
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817738-B21 HPE Ethernet 10GB 2-Ports 10GBPS 562t PCI-E Refurbished

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

Product Overview of PCI-E Network Adapter

In the ever-evolving landscape of information technology, networking plays a pivotal role in ensuring seamless communication and data transfer within and across organizations. One critical component of this network infrastructure is network adapters, which enable devices to connect and communicate with each other. The HPE 817738-B21 10GB Dual-Ports PCIe 3.0 x4 562T Network Adapter is a notable example in this category. In this detailed exploration, we will delve into the various aspects of this network adapter, breaking down its key features, functionalities, and the significance it holds in the context of modern networking.

Understanding the Basics

Before delving into the specifics of the HPE 817738-B21 10GB Network Adapter, let's establish a foundational understanding of the essential terms associated with it.

Gigabit Per Second (Gbps)

A gigabit per second is a unit of data transfer speed, indicating the amount of data that can be transmitted in one second. In the case of the HPE 817738-B21, it operates at a remarkable speed of 10 gigabits per second, highlighting its capacity for high-speed data transfer.

Peripheral Component Interconnect Express (PCIe or PCI-E) 3.0 x4

PCIe is a high-speed serial computer expansion bus standard that connects various hardware devices to a computer's motherboard. The '3.0' in PCIe 3.0 x4 refers to the third generation of PCIe, indicating advancements in speed and efficiency. The 'x4' signifies the number of lanes, determining the data transfer capacity.

Key Features of HPE 817738-B21 10GB Network Adapter

Now, let's explore the distinctive features that make the HPE 817738-B21 stand out in the realm of network adapters.

Dual-Ports Design

The inclusion of dual ports in the HPE 817738-B21 is a strategic design choice. This feature allows the adapter to handle two independent data streams simultaneously, enhancing overall network efficiency. It is particularly beneficial in scenarios where a high volume of data transfer is required, such as in data centers or enterprise-level networks.

10 Gigabytes per Second Speed

The 10 gigabytes per second speed of this network adapter is a testament to its high-performance capabilities. This speed is crucial for modern applications that demand rapid data transfer, including large file transfers, video streaming, and virtualization.

PCIe 3.0 x4 Interface

The PCIe 3.0 x4 interface ensures that the network adapter can leverage the latest advancements in PCIe technology. The 'x4' configuration provides four lanes for data transfer, optimizing the utilization of available bandwidth and reducing potential bottlenecks in data-intensive operations.

Application Scenarios

Understanding the practical applications of the HPE 817738-B21 network adapter is essential to grasp its real-world relevance. Let's explore some scenarios where this adapter can make a significant impact.

Data Center Environments

In data centers, where the demand for high-speed data transfer is paramount, the HPE 817738-B21's 10GB speed and dual-ports design become invaluable. It facilitates quick and efficient communication between servers, storage systems, and other networked devices, contributing to the overall performance optimization of the data center.

Enterprise-level Networking

Large enterprises often operate complex networks that require seamless communication between numerous devices. The dual-ports feature of the HPE 817738-B21 ensures that the adapter can efficiently handle the network traffic in such environments, promoting a smooth flow of data and minimizing latency.

Technical Specifications

To gain a comprehensive understanding of the HPE 817738-B21, let's delve into its technical specifications.

Physical Characteristics

The network adapter is designed to fit into a PCIe slot on a computer's motherboard. Its form factor and dimensions are essential considerations for compatibility with various systems.


Ensuring compatibility with existing hardware and software is crucial for a network adapter. The HPE 817738-B21 is designed to seamlessly integrate into HPE servers and is compatible with widely used operating systems, making it a versatile choice for diverse IT environments.

Power Consumption

Efficient power usage is a key consideration in modern IT infrastructure. The HPE 817738-B21 is engineered to operate with optimal power consumption, aligning with energy-efficient practices in data centers and enterprise settings.

Performance and Benchmarking

Assessing the performance of the HPE 817738-B21 is essential to validate its effectiveness in real-world scenarios. Benchmarks and performance testing can provide valuable insights into how well the network adapter meets its advertised specifications.

Throughput Testing

Throughput testing involves measuring the actual data transfer speed achieved by the network adapter under different conditions. This can include testing with varying levels of network traffic, file sizes, and simultaneous connections to simulate real-world scenarios.

Latency Measurements

Network latency, or the delay in data transmission, is a critical factor in network performance. The HPE 817738-B21's design and specifications should contribute to low-latency communication, and measuring this latency under different conditions can confirm its efficiency.

Future Considerations and Upgradability

As technology evolves, so do the requirements of network infrastructure. Considering the future upgradability of network adapters is essential for organizations looking to stay ahead in the rapidly changing IT landscape.

Compatibility with Future Standards

The HPE 817738-B21's compatibility with future PCIe standards is a noteworthy consideration. While PCIe 3.0 x4 is cutting-edge at the time of its release, being forward-compatible with upcoming PCIe standards ensures a more extended lifespan for the network adapter.

Firmware Updates

Firmware updates are crucial for addressing security vulnerabilities, improving performance, and adding new features. The ability to easily update the firmware of the HPE 817738-B21 contributes to its longevity and adaptability in the face of evolving networking requirements.

Main 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)

Outline, the HPE 817738-B21 10GB Dual-Ports PCIe 3.0 x4 562T Network Adapter stands as a testament to the continual evolution of networking technologies. With its dual-ports configuration, high-speed performance, and compatibility with modern computing architectures, this adapter is poised to meet the demands of enterprise networking, data center operations, and virtualized environments. As technology continues to advance, the 562T Network Adapter serves as a reliable and scalable solution, ensuring that networks can keep pace with the ever-growing demands of the digital landscape.

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 817738-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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