P23451-001 HPE QL41232HLCU Ethernet 10/25GB Dual Ports SFP28 Network Adapter

HPE P23451-001 QL41232HLCU Dual-Port Network Adapter

Product snapshot

• Model: HPE P23451-001 (QL41232HLCU)
• Type: High-performance network adapter / NIC
• Form factor: Plug-in (add-in) PCIe card
• Interface: PCI Express 3.0 ×8
• Ports: 2 × SFP28 (supports 10GbE and 25GbE links)

Key capabilities and advantages

Designed for modern data centers and demanding server environments, this dual-port SFP28 adapter delivers flexible 10/25 Gigabit Ethernet connectivity in a compact, PCIe 3.0 card. It is ideal when you need higher throughput, lower latency, and a compact footprint for rack servers and blade enclosures.

• Flexible speeds: Native support for both 10GbE and 25GbE link rates via SFP28 ports for easy migration paths.
• High throughput: Two full-bandwidth ports allow aggregated bandwidth for heavy I/O workloads.
• Compact PCIe footprint: Uses a PCIe 3.0 ×8 slot — balances lane availability and server expansion flexibility.
• Use-case versatility: Well suited for virtualization hosts, storage networking, high-performance compute nodes, and hyperconverged infrastructures.

Technical specifications (concise)

• Device category: Network adapter / Ethernet controller
• Form factor: Plug-in PCIe card
• Bus interface: PCI Express 3.0 (PCIe 3.0) ×8
• Port configuration: 2 × SFP28 cages (10GbE / 25GbE capable)

Typical deployments

• Enterprise virtualization hosts (VMware, Hyper-V, KVM)
• Top-of-rack (ToR) server uplinks and leaf switch connections
• Software-defined storage and distributed storage clusters
• High-performance compute clusters and database servers

Compatibility and installation notes

• Requires an available PCIe 3.0 ×8 (or larger) slot — verify physical clearance and bracket type in your server model.
• Works with SFP28 optics and compatible SFP+ (for 10Gb) transceivers where supported — confirm vendor optics compatibility for full performance.
• Ensure proper driver support for your OS and hypervisor; download HPE-recommended drivers or firmware updates when available.
• Check server vendor compatibility lists if used in branded servers to avoid unsupported configurations.

Performance optimization tips

• Enable appropriate NIC offloads (checksum, segmentation) to reduce CPU overhead for high throughput traffic.
• Tune MTU to support jumbo frames when the network fabric and endpoints permit — improves throughput for large transfers.
• Use link aggregation (LACP) or multipathing at the host level to increase redundancy and aggregate bandwidth if required.
• Keep firmware and drivers up to date to benefit from performance and stability improvements.

Increased Bandwidth

By having dual ports, users can effectively increase the available bandwidth for their network. Each port can handle its own data traffic, allowing for a smoother and faster transfer of information. This is particularly beneficial for high-demand applications such as data centers, where large volumes of data need to be processed and transmitted quickly.

Load Balancing

The dual ports also enable load balancing, which distributes network traffic evenly across both ports. This helps to optimize network performance and prevent bottlenecks by ensuring that no single port becomes overwhelmed with traffic. With load balancing, users can achieve optimal utilization of their network resources and improve overall network efficiency.

Redundancy and Failover

Another advantage of having dual ports is the ability to implement redundancy and failover mechanisms. In case one port fails or experiences issues, the other port can seamlessly take over to ensure uninterrupted network connectivity. This redundancy feature provides added reliability and minimizes downtime, which is critical for businesses that rely heavily on their networks for operations.

Flexibility and Scalability

The dual ports on the HPE QL41232HLCU Ethernet Network Adapter offer users greater flexibility and scalability. Users can connect to multiple networks or devices simultaneously, allowing for more diverse network configurations. This flexibility is especially valuable for organizations that need to connect to different networks or expand their infrastructure in the future.

In summary, the dual ports featured in the HPE QL41232HLCU Ethernet Network Adapter deliver increased bandwidth, load balancing capabilities, redundancy and failover mechanisms, as well as flexibility and scalability. These features are essential for optimizing network performance, ensuring uninterrupted connectivity, and accommodating future network expansion.

Speed

The HPE QL41232HLCU Ethernet Network Adapter offers a speed of 10/25GB, providing users with high-performance networking capabilities. This speed is crucial for organizations that require fast and efficient data transfer to support their demanding applications and workflows.

Enhanced Data Transfer

With a speed of 10/25GB, users can experience significantly faster data transfer compared to lower-speed adapters. This is especially important for bandwidth-intensive tasks such as large file transfers, video streaming, virtualization, and cloud computing. The increased speed ensures that data can be transferred quickly and efficiently, improving overall productivity and reducing latency.

Future-Proofing

Investing in a high-speed adapter like the HPE QL41232HLCU Ethernet Network Adapter ensures future-proofing for organizations. As technology continues to advance and network demands increase, having a high-speed adapter allows users to keep up with evolving requirements without the need for frequent hardware upgrades. This not only saves costs but also ensures that the organization's network infrastructure remains capable of handling future growth and technological advancements.

Compatibility

The 10/25GB speed offered by the HPE QL41232HLCU Ethernet Network Adapter is compatible with various network infrastructures. It supports both 10GB and 25GB Ethernet standards, allowing users to seamlessly integrate the adapter into their existing networks. This compatibility ensures a smooth transition and eliminates the need for extensive network reconfiguration.

Improved Workflows

The high speed of the HPE QL41232HLCU Ethernet Network Adapter enables organizations to optimize their workflows. This is particularly beneficial for industries that require real-time data processing, such as financial institutions, healthcare facilities, and scientific research organizations. Faster data transfer means quicker analysis, better decision-making, and improved overall efficiency.

Connector

The HPE QL41232HLCU Ethernet Network Adapter utilizes an SFP28 connector, which offers users a reliable and versatile connection option for their networking needs. The SFP28 connector provides numerous benefits and plays a crucial role in ensuring seamless connectivity and optimal performance.

High-Speed Connectivity

The SFP28 connector supports high-speed data transmission, making it ideal for applications that require fast and efficient networking. With its capability to handle speeds of up to 25GB, the SFP28 connector ensures that data can be transferred quickly and reliably. This is particularly beneficial for industries such as telecommunications, data centers, and cloud computing, where high-speed connectivity is essential for smooth operations.

Interchangeability

The SFP28 connector is designed to be interchangeable with other Small Form-Factor Pluggable (SFP) connectors. This means that users can easily swap out modules or adapters without having to replace the entire network infrastructure. The interchangeability of the SFP28 connector provides flexibility and cost savings by allowing users to adapt their networks to changing requirements without significant downtime or additional expenses.

Hot-Swappable

Another advantage of the SFP28 connector is its hot-swappable nature. Users can insert or remove SFP28 modules without powering down the network equipment, minimizing disruption and downtime. This feature is particularly valuable for organizations that require continuous network availability, as it allows for quick and easy maintenance or upgrades without affecting ongoing operations.

Compatibility

The SFP28 connector is widely supported by various networking equipment manufacturers, ensuring compatibility across different devices and brands. This compatibility allows users to integrate the HPE QL41232HLCU Ethernet Network Adapter seamlessly into their existing network infrastructure, without the need for extensive reconfigurations or investments in new equipment. The ability to work with a wide range of devices enhances the versatility and usability of the SFP28 connector.

Part Number

The HPE QL41232HLCU Ethernet Network Adapter is identified by its unique part number, P23451-001. This part number serves as a crucial reference for users and helps them identify and differentiate the adapter from other similar products in the market.

Product Identification

The part number, P23451-001, serves as a specific identifier for the HPE QL41232HLCU Ethernet Network Adapter. It allows users to quickly locate and select the correct adapter when purchasing or searching for product information. This helps to eliminate confusion and ensures that users acquire the exact product they require, avoiding compatibility issues or incorrect purchases.

Efficient Customer Support

Using the part number, users can easily communicate with customer support representatives or technical teams regarding the HPE QL41232HLCU Ethernet Network Adapter. When troubleshooting issues or seeking assistance, providing the part number enables support personnel to quickly understand the user's specific product and provide accurate and targeted guidance or solutions. This efficient communication helps to minimize downtime and resolve problems promptly.

Product Differentiation

The part number differentiates the HPE QL41232HLCU Ethernet Network Adapter from other similar products in the market. With numerous network adapters available, having a unique part number allows users to identify and select the exact model they need. This ensures that users get the specific features, capabilities, and compatibility required for their network infrastructure, maximizing performance and minimizing potential compatibility issues.