789125-001 HPE Single Port QSFP+ NIC Pro Mezzanine Card

HP 789125-001 Single Port QSFP+ NIC Pro Mezzanine Card — Overview

The HP 789125-001 Single Port QSFP+ NIC Pro Mezzanine Card is a high-performance network adapter engineered for HPE ProLiant servers — specifically designed to fit the ProLiant SE2160w G9 platform. This refurbished network interface card (NIC) delivers ultra-low latency and industry-standard QSFP+ connectivity for dense, high-throughput environments. Ideal for virtualization, storage networking and high-performance computing clusters, this mezzanine card offers reliable 40GbE bandwidth in a compact mezzanine form factor.

Key Identifiers & Product Data

• Manufacturer: HP
• HP Part Number (PN): 789125-001
• SKU: hp 789125-001
• Alternative / Additional PN: CX333A
• Condition: Refurbished
• Image Gallery / PDF: N/A
• EAN / Specification / Reviews: Not available

Performance Highlights

Built for demanding workloads, the HP 789125-001 provides:

• Single QSFP+ (40GbE) physical port delivering high-throughput network capacity.
• Optimized for multi-tenant virtualization and throughput-heavy I/O tasks.
• Mezzanine card form factor that conserves slot space while expanding network options.

Technical Advantages

Throughput & Latency

The QSFP+ interface enables aggregated 40 Gbps throughput and supports low latency packet processing — a crucial attribute for latency-sensitive applications such as distributed storage, HPC, and real-time analytics.

Scalability & Density

Mezzanine cards allow higher port density per server chassis without consuming standard PCIe slots. The 789125-001 is a practical choice when scaling up I/O capacity across multiple rack servers.

Compatibility & Fit

This mezzanine adapter is intended for the HPE ProLiant SE2160w G9 family. Confirm server mezzanine slot type and firmware compatibility prior to purchase to ensure seamless integration.

Checklist: Compatibility Steps

• Verify ProLiant SE2160w G9 mezzanine slot version and mechanical fit.
• Check server BIOS/firmware level for NIC support and recommended driver versions.
• Confirm QSFP+ cabling and transceiver type (direct attach cable, SR/CR optics) required for your network fabric.

Typical Use Cases

• Virtualization & Cloud Hosts: High I/O consolidation for dense VM farms.
• Storage Networks: Back-end links for SAN/NAS appliances requiring high throughput.
• High-Performance Computing (HPC): Low-latency connections for compute nodes and clusters.
• Data Center Aggregation: To aggregate multiple 10Gb/s flows into a single 40Gb/s trunk.

Troubleshooting Tips

• If the card is not detected, confirm slot seating and check BIOS/UEFI device listing.
• Update server firmware and the NIC firmware to the latest vendor-recommended versions.
• Swap QSFP+ transceivers or cables to rule out connectivity faults outside the card.

HP 789125-001 Single Port QSFP+ NIC Pro Mezzanine Card for ProLiant SE2160w G9

The HP 789125-001 Single Port QSFP+ NIC Pro Mezzanine Card is designed to provide enterprise-grade connectivity for the ProLiant SE2160w Gen9 server platform. This mezzanine card is ideal for environments that demand ultra-fast data transfer, high throughput, and low-latency networking. It leverages the QSFP+ interface to support 40 Gigabit Ethernet connectivity, enabling modern data centers to achieve the performance and scalability needed for virtualized workloads, storage networking, and high-performance computing (HPC). As part of HP’s ProLiant G9 infrastructure, the 789125-001 ensures compatibility, reliability, and efficiency in demanding IT infrastructures.

Core Features of the HP 789125-001 Mezzanine Card

Understanding the specifications and features of the HP 789125-001 helps IT managers and data center architects deploy the right hardware for their performance requirements. This mezzanine NIC card is engineered with the following essential characteristics:

• Single-port QSFP+ 40GbE connectivity optimized for data-intensive workloads.
• Mezzanine form factor that integrates seamlessly with the ProLiant SE2160w G9.
• Enhanced performance for clustered servers, virtualization, and scalable network fabrics.
• Refurbished condition, tested and verified for enterprise deployment.
• Part numbers include HP PN: 789125-001 and alternate reference CX333A.

Technical Advantages

The card’s QSFP+ design allows aggregation of four 10Gb lanes, resulting in a single 40Gb Ethernet channel. This improves efficiency in networking tasks while maintaining low latency, making it ideal for bandwidth-heavy applications such as high-performance computing clusters, storage area networks, and virtualized environments. The mezzanine form factor conserves valuable PCIe slots, providing scalability without compromising flexibility.

Compatibility with ProLiant SE2160w G9

The ProLiant SE2160w Gen9 is designed to support modular expansions via mezzanine cards, and the 789125-001 provides exactly that functionality. With its tight integration into the Gen9 infrastructure, this NIC ensures seamless operation and simplifies network management.

Key Benefits of Compatibility

• Effortless installation within the designated mezzanine slot of the SE2160w G9.
• Firmware and driver support from HP for reliable operation.
• Designed specifically for enterprise workloads within the Gen9 server ecosystem.
• Scalable performance for growing workloads and evolving data center needs.

Use Cases for HP 789125-001

The card serves diverse IT environments where speed and efficiency are critical. From cloud deployments to high-throughput storage arrays, this mezzanine adapter supports modern infrastructures across industries.

Common Applications

• Virtualized Servers: Reduces I/O bottlenecks in dense VM environments.
• Storage Networking: Provides high-bandwidth links between SAN/NAS arrays and compute nodes.
• Data Centers: Aggregates multiple 10GbE connections into a single 40GbE trunk for simplified management.
• HPC Clusters: Offers low-latency networking critical for parallel computing workloads.

Detailed Specifications

Buyers and system administrators require clear specifications to ensure the correct deployment of the HP 789125-001. Below is a comprehensive overview of the card’s attributes:

• Part Number: 789125-001
• Alternate PN: CX333A
• Form Factor: Mezzanine
• Port Count: Single port
• Interface Type: QSFP+ 40GbE
• Target Server: HP ProLiant SE2160w G9
• Condition: Refurbished

Performance Specifications

• Bandwidth: 40 Gbps
• Latency: Ultra-low, suitable for HPC applications
• Networking Protocols: Ethernet-based communications
• Power Efficiency: Optimized for enterprise server power envelopes

Refurbished Hardware Quality Assurance

The HP 789125-001 is available in refurbished condition, which ensures cost savings while still maintaining enterprise reliability. Refurbished hardware is thoroughly tested, validated, and inspected to meet HP’s performance standards.

Benefits of Choosing Refurbished

• Lower total cost of ownership without compromising performance.
• Rigorous quality checks performed by certified technicians.
• Eco-friendly option by extending the hardware lifecycle.
• Access to rare or discontinued server accessories.

Advantages of QSFP+ Networking

QSFP+ has become the standard for high-performance networking. The HP 789125-001 leverages this technology to deliver 40GbE links with flexibility and scalability.

 QSFP+ Matters

• High bandwidth aggregation for reduced cable clutter.
• Support for both copper DAC cables and optical transceivers.
• Compact form factor supporting dense data center deployments.
• Backward compatibility with certain 10GbE configurations using breakout cables.

Enterprise Benefits

Organizations deploying the HP 789125-001 experience improved efficiency and long-term reliability. With its proven design, this card ensures that networks remain scalable and responsive.

Business Advantages

• Reduced bottlenecks for virtualized workloads.
• Improved ROI due to refurbished pricing.
• Long-term support within the ProLiant ecosystem.
• Energy efficiency leading to lower operating costs.