869570-001 HPE 2 Ports SFP28 10/25GBPS 621SFP28 PCI-E Network Adapter

HPE 869570-001 SFP28 2-Port PCIe Ethernet Adapter Overview

The HPE 869570-001 SFP28 10/25Gbps 621SFP28 Ethernet Network Adapter is a high-performance dual-port networking solution engineered for enterprise data centers, virtualization environments, and cloud-scale infrastructures. Designed with PCI Express 3.0 x8 interface architecture, this advanced adapter delivers ultra-fast connectivity, reduced latency, and optimized throughput for mission-critical workloads.

General Product Information

• Manufacturer: HPE 
• Part Number: 869570-001
• Device Type: High-speed Ethernet Network Adapter
• Model Family: 621SFP28 Series

Primary Use Cases

• Enterprise data center networking
• Virtualized server environments
• Cloud computing infrastructure
• High-performance storage networking
• Low-latency financial and analytics systems

Bandwidth Specifications

• Per Port Speed: 10Gbps / 25Gbps auto-negotiation support
• Total Bidirectional Throughput: Up to 100Gbps
• Low-latency packet processing for high-demand applications

Performance Optimization Features

• High packet per second (PPS) processing capability
• Optimized queue management for reduced congestion
• Efficient CPU offloading for networking tasks

Port Features

• 2 x SFP28 high-speed network interfaces
• Support for SFP28 transceivers and DAC cables
• Backward compatibility with lower-speed SFP modules (via compatible optics)

Supported Virtualization Technologies

• Single Root I/O Virtualization (SR-IOV)
• VMware NetQueue optimization
• Microsoft Virtual Machine Queue (VMQ)

Benefits in Virtual Environments

• Improved VM density per physical server
• Reduced CPU overhead in hypervisor environments
• Enhanced network traffic isolation and efficiency

RDMA Protocol Support

• RoCE v1 and RoCE v2 (RDMA over Converged Ethernet)
• iWARP protocol support
• iSER (iSCSI Extensions for RDMA)
• Microsoft SMB Direct compatibility

Performance Advantages

• Ultra-low latency data transfer
• Reduced CPU utilization
• Improved storage and database performance

Supported Tunnel Offloads

• VXLAN (Virtual Extensible LAN)
• NVGRE (Network Virtualization using Generic Routing Encapsulation)
• GENEVE encapsulation offloading

Efficiency Improvements

• Reduced CPU utilization in cloud workloads
• Faster packet encapsulation and decapsulation
• Enhanced multi-tenant network performance

Traffic Optimization Technologies

• Receive Side Scaling (RSS)
• Receive Side Coalescing (RSC)
• Jumbo Frame support up to 9KB

Storage Protocol Enhancements

• iSCSI over RDMA (iSER)
• SMB Direct support for Windows environments
• Low-latency storage access optimization

Benefits for Storage Systems

• Faster database transactions
• Improved virtual storage performance
• Reduced storage latency in clustered environments

Processor Capabilities

• High-speed packet classification
• Hardware-based offloading engine
• Multi-queue processing support

Form Factor and Physical Design

• Plug-in PCIe full-height expansion card
• Stand-up server adapter design
• Optimized thermal and airflow engineering

Compatible Server Families

• HPE ProLiant Gen9 Servers
• HPE ProLiant Gen10 Servers

Supported Models

• DL360 Series
• DL380 Series
• DL560 Series
• ML350 Series

Power Specifications

• Typical Power Usage: 8.4W
• Maximum Power Consumption: 9.7W (up to ~14.1W in some configurations)

Energy Efficiency Benefits

• Lower operational costs in data centers
• Improved energy-to-performance ratio
• Reduced thermal output for better cooling efficiency

Security Enhancements

• Digitally signed firmware validation
• Secure update verification process
• Protection against unauthorized firmware modifications

Enterprise Security Benefits

• Improved system trustworthiness
• Reduced risk of firmware-level attacks
• Compliance with enterprise IT security policies

HPE 869570-001 10/25GBPS 2 Port Ethernet Network Adapter

The HPE 869570-001 SFP28 10/25GBPS 621SFP28 PCI-Express 3.0 x8 Ethernet 2 Ports Network Adapter represents a high-performance server networking solution engineered for modern data centers requiring scalable bandwidth, ultra-low latency, and flexible connectivity options. Designed within the advanced HPE 621SFP28 network adapter family, this dual-port Ethernet card supports both 10 Gigabit Ethernet and 25 Gigabit Ethernet speeds through SFP28 optical interfaces, making it a versatile choice for evolving enterprise infrastructure. Its PCI Express 3.0 x8 interface ensures maximum data throughput between server and network fabric, enabling efficient handling of intensive workloads such as virtualization, cloud computing, storage acceleration, and high-performance computing environments.

Enterprise-Class Networking Architecture of HPE 621SFP28 Series

The architecture of the HPE 621SFP28 network adapter series is built to meet the demands of enterprise-grade networking where performance consistency and scalability are essential. The dual-port configuration allows simultaneous network paths, improving redundancy and throughput while reducing congestion in mission-critical environments. This architecture is designed to support next-generation data center fabrics that rely on converged networking strategies, where storage, compute, and networking traffic share optimized infrastructure.

Advanced Controller Design for High Throughput

At the core of the HPE 869570-001 adapter lies an advanced controller architecture optimized for packet processing efficiency and reduced CPU overhead. The controller manages high-speed data transfer between the host system and the network interface using intelligent offload mechanisms that help reduce latency and improve application responsiveness. This enables servers to dedicate more processing power to application workloads instead of network management tasks.

SFP28 Optical Interface Technology

The inclusion of SFP28 ports allows the adapter to support both 10GbE and 25GbE optical transceivers, offering flexible deployment options depending on infrastructure requirements. SFP28 technology is a key evolution of SFP+ modules, designed specifically for higher bandwidth efficiency while maintaining backward compatibility with existing fiber infrastructures. This ensures seamless migration paths for organizations upgrading from 10GbE to 25GbE environments without requiring a complete overhaul of physical cabling systems.

PCI Express 3.0 x8 Host Interface Efficiency

The PCI Express 3.0 x8 interface provides a robust and high-bandwidth communication channel between the network adapter and the server motherboard. This interface architecture significantly reduces bottlenecks, allowing full utilization of 25GbE speeds on both ports simultaneously. The x8 lane configuration ensures that data-intensive applications, such as distributed databases and real-time analytics platforms, operate without performance degradation due to PCI bus limitations.

Enhanced Throughput Efficiency in Virtualized Environments

In virtualized data center environments, multiple virtual machines share the same physical network interface. The adapter supports efficient traffic segmentation and prioritization, allowing each virtual instance to maintain stable network performance. This capability is essential for hypervisor-based infrastructures where workload density is high and network fairness is required.

Support for Virtualized Cloud Environments

Cloud infrastructure relies heavily on efficient network adapters that can handle dynamic workloads and rapid scaling. This adapter supports virtualization technologies that enable multiple isolated network flows on a single physical interface. This is particularly useful in private cloud environments where resource optimization and security isolation are essential.

High-Density Server Connectivity in Enterprise Networks

In enterprise environments, server density continues to increase, requiring network adapters that can handle higher aggregate traffic loads. The HPE 621SFP28 adapter provides the necessary bandwidth and reliability to support dense server clusters, ensuring smooth data flow between compute nodes and storage systems.

Compatibility and Integration with HPE Server Ecosystem

The HPE 869570-001 adapter is designed specifically for seamless integration within HPE ProLiant servers and other enterprise-grade HPE infrastructure components. Its firmware and driver ecosystem are optimized for compatibility, ensuring stable operation across supported hardware platforms.

Server Platform Optimization

HPE engineers design network adapters such as the 621SFP28 series to align closely with server firmware and BIOS configurations. This ensures that the adapter operates efficiently within the system architecture, reducing configuration complexity and improving deployment speed in enterprise environments.

Transceiver and Cabling Compatibility

The SFP28 ports support a wide range of optical transceivers and direct attach copper solutions. This flexibility allows organizations to deploy the adapter in various network topologies depending on distance requirements and infrastructure design. Whether used in short-range rack connections or longer-distance fiber deployments, the adapter maintains consistent performance.

Flexible Deployment in Mixed-Speed Networks

In environments where both 10GbE and 25GbE switches exist, the adapter can dynamically adjust to match network capabilities. This ensures smooth interoperability between legacy systems and modern high-speed infrastructure, allowing gradual network evolution without downtime or major redesigns.

Scalability for Future Network Expansion

Scalability is one of the defining characteristics of the HPE 621SFP28 adapter series. As organizations transition from 10GbE to 25GbE infrastructures, this adapter provides a seamless upgrade path without requiring major hardware replacement. Its dual-port design also supports network expansion strategies that prioritize redundancy and load balancing.

Future-Proof Network Infrastructure Design

By supporting both current and next-generation Ethernet standards, the adapter ensures long-term usability in evolving IT environments. This future-proof design reduces capital expenditure while maintaining high performance standards across enterprise networks.