Description
Product Details about the HPE 817749-B21 Network Adapter
In the ever-evolving landscape of networking technology, the HPE 817749-B21 stands out as a formidable player, offering a 25Gbps PCI Express solution with 640flr-SFP and 28 Ethernet ports. In this comprehensive exploration, we’ll dissect the intricacies of this high-performance network adapter, examining its key features, technical specifications, and how it can enhance wired connectivity in various settings.
Ports: 2 x 25 Gigabit Ethernet
The HPE 817749-B21 is equipped with two 25 Gigabit PCI Express Ethernet ports, providing versatile connectivity options. These ports offer the flexibility to connect to different devices, servers, or network configurations, making it an adaptable solution for diverse networking environments.
Connectivity Technology: Wired
Wired connectivity ensures a stable and reliable network connection. The HPE 817749-B21’s reliance on wired technology eliminates the potential interference and reliability issues associated with wireless connections, making it suitable for scenarios where a consistent and robust link is paramount.
Data Link Protocol: 10 GigE, 25 Gigabit LAN
Supporting both 10 Gigabit Ethernet (10 GigE) and 25 Gigabit LAN protocols, the HPE 817749-B21 offers compatibility with a range of networking standards. This adaptability enables seamless integration into existing network infrastructures, allowing for efficient data communication across various devices.
Technical Specifications
Data Transfer Rate: 25 Gbps
The standout feature of the HPE 817749-B21 is its impressive data transfer rate of 25 Gigabits per second (Gbps). This high-speed capability is crucial for handling bandwidth-intensive applications, large data transfers, and ensuring a responsive network environment.
Performance Metrics
- Bidirectional Throughput: 100 GbpsThe bidirectional throughput of 100 Gbps showcases the adapter’s capacity to handle simultaneous data transmission in both directions. This capability is particularly advantageous in scenarios where symmetrical data flows are essential for optimal performance.
- Bandwidth Per Port: 50 GbpsWith a bandwidth of 50 Gbps per port, the HPE 817749-B21 excels in providing dedicated and high-speed communication channels. This is especially beneficial in environments where data-intensive tasks are distributed across multiple ports.
Capacity
Jumbo Frame Size: Up To 9.2 KbThe HPE 817749-B21 boasts an impressive jumbo frame size capacity, supporting frames up to 9.2 kilobytes (Kb). Jumbo frames enhance network efficiency by reducing the overhead associated with smaller frames, resulting in improved throughput for large data transfers.
Benefits of HPE 817749-B21
Enhanced Speed and Bandwidth
The 25Gbps data transfer rate of the HPE 817749-B21 significantly enhances network speed and bandwidth. This is particularly advantageous in scenarios where large volumes of data need to be transmitted quickly, such as in data centers, cloud computing environments, or high-performance computing clusters.
Flexibility in Connectivity
With two 25 Gigabit Ethernet ports, the HPE 817749-B21 offers flexibility in connectivity options. This versatility is valuable in environments with diverse networking needs, allowing for the connection of multiple devices or the creation of redundant links for increased reliability.
Compatibility with Industry Standards
Support for both 10 GigE and 25 Gigabit LAN protocols ensures compatibility with industry-standard networking technologies. This compatibility simplifies the integration of the HPE 817749-B21 into existing networks, reducing deployment challenges and promoting interoperability.
Optimized Performance Metrics
The adapter’s bidirectional throughput of 100 Gbps and 50 Gbps bandwidth per port contribute to optimized performance. These metrics ensure that the HPE 817749-B21 can handle demanding workloads efficiently, making it suitable for environments where high-performance networking is essential.
Data Centers
In data center environments, where rapid data transfer and low latency are critical, the HPE 817749-B21 excels. Its high data transfer rate and bidirectional throughput make it an ideal choice for connecting servers and storage systems, supporting the seamless operation of mission-critical applications.
Cloud Computing Environments
Cloud computing relies on efficient and high-speed networking to deliver services and applications to users. The HPE 817749-B21’s 25 Gbps data transfer rate and jumbo frame size capacity make it well-suited for handling the demands of cloud-based workloads, ensuring a responsive and scalable infrastructure.
High-Performance Computing (HPC) Clusters
HPC clusters demand high-speed networking to facilitate parallel processing and data exchange among interconnected nodes. The HPE 817749-B21’s optimized performance metrics make it a valuable component in HPC environments, where computational tasks require rapid communication between nodes for maximum efficiency.
General Information about the HPE 817749-B21
- Manufacturer: HPE
- Part Number or SKU# 817749-B21
- Product Type: Network Adapter
Technical Information
- Device Type: Network Adapter
- Form Factor: Plug-in Card
- Interface (bus) Type: FlexibleLOM
- PCI Specification Revision: PCIe 3.0
Networking
- 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
In summary, the HPE 817749-B21 25Gbps PCI Express 640flr-SFP 28 Ethernet 2 Ports Network Adapter emerges as a powerful solution for organizations seeking high-performance wired connectivity. With its impressive data transfer rate, versatile connectivity options, and compatibility with industry standards, it caters to the demands of data centers, cloud computing environments, and HPC clusters. The adapter’s robust performance metrics, coupled with remote management capabilities, position it as a reliable and efficient component in the ever-evolving landscape of networking technology. As organizations continue to prioritize speed, reliability, and adaptability in their network infrastructure, the HPE 817749-B21 stands ready to meet these demands, ensuring a seamless and high-speed networking experience.







