HPE P42045-B21 Mellanox MCX631102AS-ADAT Ethernet 10/25Gb 2-port SFP28 Adapter

Name: HPE P42045-B21 Mellanox MCX631102AS-ADAT Ethernet 10/25Gb 2-port SFP28 Adapter
Brand: HPE
SKU: P42045-B21
Price: 188.70 USD
Availability: InStock
Rating: 5 (8 reviews)

Mfr. Part #: P42045-B21

Brand: Hpe

Condition: New

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P42045-B21

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overview

P42045-B21 Overview

HPE P42045-B21 Mellanox Mcx631102as-adat Ethernet 10/25gb 2-port Sfp28 Adapter Main Specifications Device Type Network Adapter Form Factor Plug-in Card Interface (bus) Type Pci Express 4.0 X8 Pci Specification Revision Pcie 3.0, Pcie 4.0 Ports Gigabit Ethernet / 10gb Ethernet / 25gb Ethernet Sfp28 X 2 Data Link Protocol Gige, 10 Gige, 25 Gigabit Lan Dimensions (wxdxh) 3.8 In X 2.7 In Network / Transport Protocol Tcp/ip, Udp/ip, Iscsi Compliant Standards Ieee 802.1q, Ieee 802.1p, Ieee 802.3ad (lacp), Ieee 802.3ae, Ieee 802.3ap, Ieee 802.3az, Ieee 802.1qbb, Ieee 802.1qaz, Ieee 1149.1, Ieee 802.1qbg, Ieee 1588v2, Ieee 802.3by, Ieee 1149.6, Ocp 3.0.

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faqs

Frequently Asked Questions

What server platforms are compatible with the HPE P42045-B21 network adapter? +

The P42045-B21 is specifically engineered for compatibility with HPE ProLiant Gen10 Plus and Gen11 server platforms. It integrates seamlessly into the standard PCIe riser architecture, ensuring optimal performance within the HPE ecosystem. Before deployment, confirm that your specific server model supports the required PCIe lane width and generation to achieve maximum throughput for your high-density virtualization or data center workloads.

Does the P42045-B21 require specific drivers for Windows or Linux environments? +

Yes, to ensure full operational stability, you must install the latest HPE-validated drivers compatible with your target operating system. Whether you are running Windows Server, VMware ESXi, or a mainstream Linux distribution, HPE provides specialized driver packages that enable offloading features and hardware-level acceleration. Always check the official HPE support portal for the most recent driver versions tailored to your network configuration.

How does the HPE P42045-B21 handle heavy network traffic in a virtualization environment? +

This network card excels in virtualized environments by utilizing hardware-based offloading capabilities. It effectively reduces CPU overhead by managing packet processing and flow steering at the controller level. This allows your server resources to focus on application processing rather than network management, making it an ideal choice for high-traffic virtual machine hosts and containerized microservices deployments requiring low latency and consistent packet delivery.

Is the P42045-B21 suitable for high-bandwidth storage networking applications? +

Absolutely. The P42045-B21 is designed to support the rigorous demands of modern storage area networks and high-throughput data transfers. By providing consistent line-rate performance and supporting advanced Ethernet protocols, this NIC ensures that your storage traffic experiences minimal latency. It is highly recommended for enterprise environments running database applications or large-scale file storage where sustained network throughput is a critical component of overall system performance.

What is the primary management interface for configuring the P42045-B21? +

Configuration and management of this NIC are primarily handled through the HPE server BIOS/UEFI settings and standard OS-level utilities. In enterprise environments, it can also be monitored via HPE iLO, which provides visibility into the network interface health and status. This dual-layer management approach allows administrators to monitor performance metrics and update firmware settings efficiently without needing to access the operating system directly during initial deployments.

Can the P42045-B21 be used in a PCIe 3.0 slot if the card is newer generation? +

The P42045-B21 is designed with backward compatibility in mind, meaning it can function in older PCIe slots that meet the physical form factor and power requirements. However, please note that operating the card in a PCIe 3.0 slot will limit the maximum throughput to the speed of that slot. For full performance capabilities as specified by the manufacturer, we strongly recommend deploying the card in a corresponding PCIe 4.0 or higher slot.

What should I know about the thermal requirements for the P42045-B21? +

Like most high-performance server NICs, the P42045-B21 relies on the forced-air cooling infrastructure provided by your HPE server chassis. To maintain peak reliability, ensure that your server is equipped with the appropriate fan modules and that airflow baffles are correctly installed. Consistent, high-volume airflow through the PCIe zone prevents thermal throttling and ensures that the component maintains its performance integrity under heavy, continuous computational or network loads.

Is this P42045-B21 a genuine HPE product? +

All hardware listed on BuyRouterSwitch.com, including the P42045-B21, is sourced directly from verified channels to ensure authentic, factory-sealed equipment. We prioritize supply chain integrity, meaning you receive original HPE hardware complete with manufacturer-standard features and performance characteristics. You can confidently integrate these components into your production infrastructure knowing they meet the high-quality benchmarks expected from genuine enterprise-grade networking solutions.

Can I request a bulk quote for the P42045-B21 if I am outfitting an entire data center? +

BuyRouterSwitch.com specializes in supporting large-scale enterprise infrastructure projects. We provide competitive bulk pricing and tailored quotes for organizations requiring significant quantities of the P42045-B21. Simply reach out to our dedicated sales team through our contact form or live chat with your quantity requirements, and we will work to provide a professional quote that aligns with your project budget and procurement timeline.

Why should I choose BuyRouterSwitch.com for my HPE server hardware needs? +

Choosing BuyRouterSwitch.com connects you with a professional procurement partner focused on enterprise-grade networking reliability. We maintain an extensive inventory of hard-to-find and current-generation components, ensuring your orders are processed quickly. Our focus on accurate, high-quality hardware and simplified purchasing workflows makes us the preferred choice for IT managers and system integrators who demand consistency and excellence in their data center hardware acquisition process.

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