In the ever-evolving landscape of information technology, the demand for high-performance network adapters is on the rise. One such powerful solution that has garnered attention is the HPE 817749-B21 25Gbps PCI Express 640flr-SFP 28 Ethernet 2 Ports Network Adapter. In this comprehensive guide, we will delve into the intricacies of this cutting-edge network adapter, exploring its key features, benefits, technical specifications, and how it can enhance network connectivity for various applications.
Understanding the BasicsBefore we dive into the technical details, let's establish a foundational understanding of the HPE 817749-B21 network adapter. This device is designed to operate in a PCI Express (Peripheral Component Interconnect Express) slot, providing a high-speed interface for seamless communication between the server and the network. The "25Gbps" in its nomenclature indicates the impressive data transfer rate, making it suitable for bandwidth-intensive tasks.
Key Features- 25Gbps Data Transfer Rate: At the heart of the HPE 817749-B21 lies its remarkable 25 gigabits per second data transfer rate. This high-speed capability ensures swift and efficient data transmission, reducing latency and enhancing overall network performance.
- PCI Express Interface: The network adapter utilizes the PCI Express architecture, a widely adopted standard known for its fast data transfer rates and low latency. This allows the HPE 817749-B21 to leverage the full potential of modern server systems.
- 640flr-SFP Compatibility: The inclusion of 640flr-SFP (Server FlexibleLOM-Small Form-Factor Pluggable) technology adds versatility to the adapter. This compatibility ensures that the network adapter can be seamlessly integrated into a variety of server configurations, making it a flexible solution for diverse network environments.
- 28 Ethernet Ports: Boasting 28 Ethernet ports, the HPE 817749-B21 is designed to handle multiple concurrent connections. This feature is particularly beneficial for environments with high network traffic, such as data centers and enterprise-level applications.
- Dual Ports: The network adapter comes equipped with two ports, providing redundancy and load-balancing capabilities. This dual-port design enhances network reliability and allows for efficient distribution of network traffic.
Form Factor
The HPE 817749-B21 features a form factor compatible with standard PCI Express slots. This makes it easy to integrate into a wide range of server systems without requiring specialized hardware.
As previously mentioned, the network adapter supports a data transfer rate of 25 gigabits per second. This high-speed capability is crucial for handling the increasing demands of modern applications and workloads.
CompatibilityThe 640flr-SFP compatibility ensures that the network adapter can be used with a variety of servers that support this form factor. This flexibility is advantageous for organizations with diverse server infrastructures.
Ethernet PortsWith 28 Ethernet ports at its disposal, the HPE 817749-B21 can accommodate a large number of concurrent connections. This is especially valuable in scenarios where multiple devices need to communicate simultaneously.
Dual-Port DesignThe inclusion of two ports enhances the network adapter's capabilities by providing redundancy and load balancing. In the event of a port failure, traffic can be seamlessly redirected, minimizing downtime and ensuring uninterrupted connectivity.
Advantages and Use CasesEnhanced Performance
The HPE 817749-B21 is engineered to deliver exceptional network performance, making it well-suited for bandwidth-intensive applications. Whether it's handling large data transfers or supporting virtualization workloads, this network adapter excels in enhancing overall system responsiveness.
Scalability
The 28 Ethernet ports and dual-port design contribute to the scalability of the network adapter. Organizations experiencing growth can easily scale their network infrastructure by adding more adapters or leveraging the dual-port configuration for load balancing.
Reliability and Redundancy
The dual-port design not only enhances performance but also ensures reliability. In the event of a hardware failure or maintenance, the redundant port takes over, minimizing disruptions and maintaining continuous network connectivity.
Versatility in Network Environments
Thanks to its compatibility with the 640flr-SFP standard, the HPE 817749-B21 can be seamlessly integrated into various network environments. Whether it's a small business server or a complex data center, this adapter adapts to the specific needs of the infrastructure.
- Manufacturer: HPE
- Part Number or SKU# 817749-B21
- Product Type: Network Adapter
- Device Type: Network Adapter
- Form Factor: Plug-in Card
- Interface (bus) Type: FlexibleLOM
- PCI Specification Revision: PCIe 3.0
- Ports: 2 x 25 Gigabit Ethernet
- Connectivity Technology: Wired
- Data Link Protocol: 10 GigE, 25 Gigabit LAN
- Data Transfer Rate: 25 Gbps
- Performance: Bidirectional Throughput: 100 Gbps, Bandwidth Per Port: 50 Gbps
- Capacity: Jumbo Frame Size: Up To 9.2 Kb
- Remote Management Protocol: SNMP
- Status Indicators: Link/Activity
- Features: VLAN Support, IPv6 Support, Full Duplex Mode, TCP/IP Offloading, Quality of Service (QoS), Jumbo Frames Support, IPv4 Support, PXE Support, LACP Support, LLDP Support, Large Send Offload (LSO), Receive Side Scaling (RSS), UEFI Support, TCP Segmentation Offload (TSO), QoS Tagging, Extended Message-Signaled Interrupts (MSI-X), UDP/IP Offloading, TCP/IP Checksum Offload, RDMA over Converged Ethernet (RoCE), Virtual Extensible LAN (VXLAN), Network Virtualization using Generic Routing Encapsulation (NVGRE), RDMA over Converged Ethernet (RoCE) V2
- Compliant Standards: IEEE 802.1Q, IEEE 802.1P, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.3ae, IEEE 802.1AB (LLDP), IEEE 802.3az, IEEE 802.1Qbb, IEEE 802.1Qaz, IEEE 802.1Qau, IEEE 802.1Qbg, IEEE 1588v2
Expansion/Connectivity
- Interfaces: 2 x 25Gb Ethernet - SFP28
Finally, the HPE 817749-B21 25Gbps PCI Express 640flr-SFP 28 Ethernet 2 Ports Network Adapter stands out as a powerful solution for organizations seeking high-performance networking capabilities. With its impressive data transfer rate, dual-port design, and compatibility with various server configurations, this network adapter addresses the demands of modern computing environments. Whether used in data centers, enterprise settings, or small businesses, the HPE 817749-B21 is a versatile and reliable choice for optimizing network connectivity and performance. As technology continues to advance, having a network adapter of this caliber ensures that your infrastructure can keep up with the evolving demands of the digital landscape.
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