649871-001 HPE 1Gb 4-Port 331T Adapter for G8 G9 G10 Servers

HPE 649871-001 Ethernet 1Gb 4-Port 331T Adapter for G8-9-10

The HPE 649871-001 Ethernet 1Gb 4-Port 331T Adapter is a reliable enterprise networking solution designed to deliver stable, high-performance connectivity for modern data centers. Built for HPE ProLiant G8, G9, and G10 servers, this adapter ensures efficient network traffic handling, improved bandwidth distribution, and seamless integration into mission-critical IT infrastructures.

General Information

• Manufacturer: Hewlett Packard Enterprise (HPE)
• Part Number: 649871-001
• Product Type: Ethernet Network Adapter
• Device Category: Multi-Port Server NIC

Technical Specifications

• Bus Type: PCI Express 2.0 x4
• PCIe Revision: 2.0 compliant
• Slot Requirement: 1 x PCIe x4 slot
• Card Type: Plug-in expansion network adapter

HPE 331T 4-Port Ethernet Adapter

• 4 x RJ-45 Ethernet ports for flexible connectivity
• Supports traffic segmentation and load balancing
• Improves network redundancy and uptime

Low Profile PCIe Design

• Space-saving form factor
• Ideal for rack-mounted servers
• Easy installation in PCIe slots

Network Controller & Processor

• Chipset: Broadcom BCM5719
• Architecture: Enterprise-class Ethernet controller
• Processing Capability: Efficient packet handling and routing

Data Transfer Performance

• Speed Per Port: Up to 1 Gbps
• Total Ports: 4 independent Ethernet channels
• Performance Mode: Full-duplex Gigabit support

Supported Ethernet Standards

• 10BASE-T (10 Mbps)
• 100BASE-TX (Fast Ethernet)
• 1000BASE-T (Gigabit Ethernet)

Supported Protocols

• Ethernet standard protocol
• Fast Ethernet compatibility
• Gigabit Ethernet optimized transmission

Multi-Port Advantages

• Enhanced bandwidth distribution
• Improved fault tolerance
• Better virtualization support

Physical Interface

• 4 x RJ-45 Ethernet connectors
• Twisted-pair copper cabling support
• Standard 10/100/1000 Mbps compatibility

Compatible Cabling Types

• 10BASE-T Ethernet cables
• 100BASE-TX Fast Ethernet cables
• 1000BASE-T Gigabit Ethernet cables

Server Compatibility

• HPE ProLiant G8 servers
• HPE ProLiant G9 servers
• HPE ProLiant G10 servers

Enterprise Reliability

• High availability networking
• Stable long-term operation
• Reduced downtime risk

HPE 649871-001 Ethernet 1Gb 4-Port 331T Adapter Overview

The HPE 649871-001 Ethernet 1Gb 4-Port 331T Adapter is engineered as a high-density network interface solution designed specifically for enterprise-grade HPE ProLiant server environments across G8, G9, and G10 generations. Built with a focus on stability, scalability, and efficient data transmission, this adapter integrates four independent 1 Gigabit Ethernet ports on a single PCIe-based interface, enabling consolidated networking capabilities without requiring multiple discrete NIC cards. This architectural approach significantly reduces internal server complexity while maximizing available PCIe slots for other critical hardware expansions.

The adapter is optimized for workloads requiring reliable network throughput, including virtualization platforms, database systems, enterprise application hosting, and cloud-ready infrastructure deployments. Its design ensures that each port operates independently while still being managed under a unified controller framework, improving both performance efficiency and system manageability in large-scale deployments.

Advanced Hardware Engineering and Controller Integration

At the core of the HPE 331T 4-Port Ethernet Adapter lies a carefully optimized network controller architecture that distributes processing tasks efficiently across multiple hardware queues. This ensures minimal packet loss, reduced latency, and improved data integrity across high-traffic environments. The embedded processing logic is designed to handle multiple simultaneous data streams, making it suitable for environments where concurrent application traffic is a critical requirement.

The adapter leverages advanced buffering techniques and intelligent packet handling mechanisms to maintain consistent throughput even under peak network loads. This makes it particularly valuable in enterprise server clusters where multiple virtual machines or application instances depend on shared network resources.

Compatibility Across HPE ProLiant G8, G9, and G10 Servers

One of the defining advantages of the HPE 649871-001 331T Adapter is its wide compatibility range across multiple generations of HPE ProLiant servers, including G8, G9, and G10 platforms. This ensures that organizations operating mixed-generation infrastructures can standardize their networking hardware without requiring multiple adapter models.

In G8 environments, the adapter provides a significant performance upgrade over legacy dual-port solutions, enabling higher consolidation ratios. In G9 servers, it aligns well with enhanced virtualization capabilities and improved memory bandwidth. In G10 systems, the adapter integrates seamlessly with modern data center architectures that prioritize automation, cloud integration, and software-defined networking compatibility.

PCIe Slot Integration and System Alignment

The adapter is designed for PCI Express slot integration, ensuring optimal bandwidth utilization between the server motherboard and network interface. The engineering behind the 331T model focuses on minimizing bus contention while maintaining stable multi-port communication channels. This allows enterprise workloads to maintain consistent connectivity even under heavy input/output conditions.

Four Independent Gigabit Ports for Scalable Networking

Each of the four 1Gb Ethernet ports on the HPE 331T adapter operates as an independent channel capable of handling full-duplex communication. This enables simultaneous transmission and reception of data streams across multiple network paths, significantly improving overall system throughput. The multi-port design is especially beneficial in environments where network segmentation, redundancy, and traffic isolation are required.

The adapter’s architecture ensures consistent bandwidth distribution across all active ports, allowing administrators to allocate network resources effectively based on workload demand. This is particularly useful in virtualized environments where multiple virtual machines rely on shared physical network interfaces.

Low Latency Packet Processing

Latency reduction is a key design priority in the HPE 649871-001 adapter. Through optimized packet processing pipelines and efficient interrupt handling, the adapter minimizes delays in data transmission. This makes it suitable for latency-sensitive applications such as financial systems, real-time analytics platforms, and transactional databases.

Virtualization Optimization 

The HPE 331T 4-Port Ethernet Adapter is designed with virtualization efficiency in mind, supporting environments where multiple virtual machines share physical network interfaces. It enables better separation of traffic flows while maintaining consistent performance across virtualized workloads. This reduces overhead on host CPUs and improves overall system efficiency.

Network offloading capabilities embedded within the adapter reduce the processing burden on the server CPU by handling checksum calculations, segmentation tasks, and packet processing at the hardware level. This results in improved application performance and reduced system latency.

NIC Teaming and Load Balancing Capabilities

The adapter supports NIC teaming configurations that allow multiple ports to function together as a unified logical interface. This enables load balancing across network paths while also providing redundancy in case of link failure. In enterprise environments, this ensures continuous availability of critical applications and services even during hardware or network disruptions.

Enterprise Data Center

In modern data centers, network density and scalability are critical requirements. The HPE 649871-001 4-Port Ethernet Adapter addresses these requirements by consolidating multiple network interfaces into a single card, reducing hardware footprint while increasing port availability. This is particularly beneficial in rack-mounted server environments where space optimization is essential.

The adapter supports scalable deployment models that align with both traditional enterprise infrastructure and modern cloud-based architectures. Its consistent performance characteristics make it suitable for hybrid environments where workloads are distributed across physical and virtual systems.

Workload Distribution Efficiency

Workload distribution across multiple servers is significantly improved with the use of multi-port network adapters. The HPE 331T ensures that network traffic is evenly distributed across available interfaces, reducing congestion and improving overall system efficiency. This is particularly valuable in clustered environments where multiple nodes communicate continuously.

Reliability, Redundancy

Reliability is a core design principle of the HPE 649871-001 Ethernet adapter. With four independent ports, the adapter provides multiple network paths that can be configured for redundancy. In the event of a port failure, traffic can be rerouted automatically to maintain uninterrupted connectivity.

This redundancy is essential for mission-critical environments such as enterprise databases, ERP systems, and cloud infrastructure services where downtime can lead to significant operational disruption.

Multi-OS Support for Enterprise 

The adapter is supported by a wide range of operating systems commonly used in enterprise environments. Driver support ensures that the hardware operates efficiently across different server configurations, including virtualization platforms and cloud infrastructure stacks. Firmware updates further enhance performance stability and security compliance.

Security, Network Management

Security is an important aspect of enterprise networking, and the HPE 649871-001 adapter supports secure data transmission through hardware-level enhancements that reduce exposure to network-based vulnerabilities. It works in conjunction with server-level security policies to maintain protected communication channels.

Performance Optimization Through Visibility

The adapter supports diagnostic and monitoring capabilities that allow administrators to analyze network traffic behavior in real time. This enables proactive optimization of network performance and early detection of potential issues before they impact system operations.

High-Speed Data Exchange Requirements

In database environments, consistent and low-latency connectivity is essential. The adapter provides the necessary stability and throughput to support high-volume transactional processing systems, ensuring reliable communication between database servers and application layers.

Efficient Issue Identification

When network issues occur, built-in diagnostic capabilities assist administrators in identifying root causes quickly. This reduces downtime and ensures faster recovery of network services in enterprise infrastructures.