BCM957504-P425G Broadcom Quad Port 25GB/S SFP28 PCIe 4.0 X16 Network Adapter

Highlights of Broadcom BCM957504-P425G Quad-Port Adapter

The Broadcom BCM957504-P425G is a high-performance quad-port 25 Gigabit Ethernet SFP28 network interface card engineered for modern hyperscale data centers, cloud computing platforms, and enterprise networking infrastructures. Built on PCI Express 4.0 x16 architecture and designed with Open Compute Project (OCP)-style efficiency in mind, this advanced adapter delivers ultra-low latency, massive bandwidth scalability, and enterprise-grade reliability for demanding workloads.

General Specifications

• Manufacturer: Broadcom
• Part Number: BCM957504-P425G
• Product Type: Network Interface Card

Technical Product Information

• Interface: Quad-Port 25GBE SFP28
• Form Factor: PCIe 4.0 x16 Network Adapter
• Media Interface: Quad-port pluggable SFP28 design
• Standards: Fully compliant with SFF-8402 specification
• Cabling Support: Optical transceivers and direct-attach copper cables

PCI Express 4.0 x16 High-Bandwidth Architecture

• PCI Express 4.0 x16 compliant design
• High-bandwidth packet processing capability
• Optimized for virtualization and cloud workloads

Quad-Port 25GBE High-Speed SFP28 Connectivity

• 4 x SFP28 25GbE high-speed Ethernet ports
• Compatible with SFP28 and SFP+ modules
• Supports both optical fiber and DAC copper cables
• Optimized for high-density server environments

Multi-Host & Virtualization Capabilities

• Multi-host support with dual-host x8 mode
• SR-IOV with up to 1,000 Virtual Functions (VFs)
• Function-Level Reset (FLR) support
• TRUFlow™ advanced flow processing engine

Overlay Networking and Acceleration

• VXLAN, NVGRE, Geneve, and GRE encapsulation/decapsulation
• vSwitch acceleration for virtualized environments
• Tunnel-aware stateless offload processing

Networking Performance Features

Data Center Bridging and RDMA Support

• RDMA over Converged Ethernet (RoCE)
• DCB support including PFC, ETS, QCN, and DCBx
• Advanced congestion avoidance algorithms

Packet Processing Optimization

• IPv4 and IPv6 offloading support
• TCP, UDP, and IP checksum offloads
• Large Send Offload (LSO) and Large Receive Offload (LRO)
• TCP Segmentation Offload (TSO)
• Receive Side Scaling (RSS) and Transmit Side Scaling (TSS)

Network Efficiency Enhancements

• Multiqueue, NetQueue, and VMQ support
• Jumbo frames support up to 9 KB
• Interrupt coalescing for CPU optimization
• VLAN insertion and removal acceleration

Management, Boot & System Integration

Enterprise Management Interfaces

• Network Controller Sideband Interface (NC-SI)
• SMBus 2.0 and MCTP over SMBus support
• MSI and MSI-X interrupt handling
• FRU (Field Replaceable Unit) support

Boot and Deployment Features

• PXE network boot support
• UEFI boot compatibility
• iSCSI boot functionality
• Wake-on-LAN (WOL) support

Overview of Broadcom BCM957504-P425G 25GBE PCIe Adapter 

The Broadcom BCM957504-P425G Quad-Port 25 GB/S SFP28 Ethernet PCI Express 4.0 X16 Network Interface Card is engineered for enterprise-grade networking environments where speed, scalability, and reliability are paramount. Featuring four independent SFP28 ports, PCIe Gen4 x16 bandwidth, and OCP3.0 compliance, it integrates seamlessly into modern server infrastructures. This adapter is designed to deliver consistent high-speed connectivity for hyperscale data centers, cloud providers, and mission-critical enterprise workloads with optimized efficiency and robust performance.

PCIe Gen4 x16 Bandwidth Efficiency

The PCIe Gen4 x16 interface provides double the throughput compared to PCIe Gen3, ensuring rapid communication between the adapter and host systems. This enhanced bandwidth supports virtualization, cloud computing, and high-performance applications without bottlenecks. Enterprises benefit from consistent throughput, reduced latency, and optimized performance across diverse workloads, making the BCM957504-P425G a future-ready solution for demanding environments with scalability in mind.

BroadSAFE Security Technology

BroadSAFE technology enhances the BCM957504-P425G with industry-leading security features. It provides secure boot, encryption, and hardware-level protections to safeguard sensitive data. Enterprises benefit from compliance with stringent security standards, ensuring reliable protection against unauthorized access, cyber threats, and data breaches in mission-critical environments where data integrity is essential for operations.

Quad-Port SFP28 Connectivity Advantages

With four independent SFP28 ports, the BCM957504-P425G offers scalability and redundancy for enterprise networks. IT administrators can configure load balancing and failover protection to maintain continuous service availability. This quad-port design enhances flexibility, allowing enterprises to optimize traffic flow, ensure uninterrupted performance, and expand bandwidth capacity as network demands grow across diverse applications and industries.

OCP3.0 Small Form Factor

The adapter conforms to the OCP3.0 small form factor specification, ensuring interoperability with Open Compute Project systems. Its compact design optimizes space utilization in dense server environments, reducing infrastructure complexity. This compliance streamlines deployment, promotes modular integration, and supports hyperscale operators seeking efficiency and standardization in their networking hardware while maintaining long-term adaptability.

SR-IOV Virtualization Support

The BCM957504-P425G supports SR-IOV with hundreds of virtual functions, enabling efficient virtualization. This allows multiple virtual machines to share the adapter while maintaining high performance. Enterprises leveraging cloud and virtualized infrastructures benefit from optimized resource allocation, reduced overhead, and improved scalability for complex workloads that demand consistent networking throughput and reliability.

Advanced Offload Capabilities

Offload features such as TCP segmentation offload, large send offload, and receive-side scaling reduce CPU utilization. These capabilities improve system efficiency by handling networking tasks directly on the adapter. Enterprises achieve higher throughput, lower latency, and smoother performance for demanding workloads such as AI, machine learning, and big data analytics where computational efficiency is critical.

TruFlow Flow Processing Engine

The TruFlow engine enhances packet processing efficiency, enabling advanced traffic management. It supports tunnel-aware stateless offloads and accelerates vSwitch operations. This ensures optimized performance for applications requiring complex traffic handling, such as VXLAN, NVGRE, and Geneve encapsulation, making the BCM957504-P425G ideal for modern cloud-native environments with dynamic workloads.

RDMA over Converged Ethernet (RoCE)

RoCE support allows the BCM957504-P425G to deliver low-latency, high-throughput communication for HPC and storage applications. This feature is critical for workloads requiring real-time responsiveness, such as AI training, scientific simulations, and large-scale analytics. Enterprises benefit from improved efficiency and reduced latency in distributed computing environments where speed is essential.

Data Center Bridging (DCB) Features

DCB support includes priority flow control, enhanced transmission selection, and congestion notification. These features optimize traffic management in converged networks, ensuring reliable performance for storage and compute workloads. Enterprises achieve better quality of service, reduced packet loss, and improved efficiency in high-density data center deployments where traffic prioritization is vital.

IPv4 and IPv6 Offloads

The BCM957504-P425G supports IPv4 and IPv6 offloads, reducing CPU overhead for packet processing. This ensures efficient handling of modern networking protocols, enhancing scalability and performance. Enterprises benefit from seamless integration with dual-stack environments, ensuring compatibility with both legacy and next-generation infrastructures across global deployments.

Jumbo Frame Support

Support for jumbo frames up to 9KB improves efficiency in transferring large data sets. This reduces overhead and enhances throughput for applications such as big data analytics, scientific computing, and media streaming. Enterprises achieve faster communication, reduced latency, and improved performance for bandwidth-intensive workloads requiring consistent throughput.

Network Boot Options

The adapter supports PXE, UEFI, and iSCSI boot, enabling flexible deployment in diverse environments. These options simplify provisioning and ensure compatibility with enterprise boot infrastructures. IT teams benefit from streamlined deployment, reduced configuration complexity, and improved manageability in large-scale environments where rapid provisioning is essential.

Wake-on-LAN Functionality

Wake-on-LAN support allows remote activation of systems, enhancing manageability in large-scale environments. This feature reduces energy consumption by enabling systems to remain in low-power states until needed. Enterprises benefit from improved efficiency, reduced operational costs, and enhanced control over distributed infrastructures with remote management capabilities.

Function-Level Reset (FLR)

FLR support ensures that individual functions can be reset without impacting the entire system. This enhances reliability and simplifies troubleshooting in complex environments. Enterprises achieve improved uptime, reduced maintenance overhead, and enhanced resilience for mission-critical workloads requiring continuous availability and operational stability.

Multiqueue and VMQ Features

Multiqueue and VMQ support optimize traffic distribution across multiple cores and virtual machines. This ensures balanced workloads and improved performance in virtualized environments. Enterprises benefit from efficient resource utilization, reduced bottlenecks, and enhanced scalability for diverse applications requiring consistent networking throughput.

Interrupt Coalescing Efficiency

Interrupt coalescing reduces CPU overhead by grouping multiple interrupts into fewer events. This enhances system efficiency and reduces latency for high-throughput workloads. Enterprises achieve smoother performance, improved scalability, and enhanced responsiveness for real-time applications requiring consistent low-latency communication.

Applications in Hyperscale Data Centers

The BCM957504-P425G is ideal for hyperscale data centers requiring high-speed, secure, and scalable networking. Its advanced features support workloads such as AI, machine learning, cloud computing, and big data analytics. Enterprises benefit from reliable performance, future-ready infrastructure, and reduced total cost of ownership across global deployments.

Deployment Flexibility in Diverse Environments

Deployment flexibility is a key advantage of the BCM957504-P425G. Its OCP3.0 compliance and compatibility with modern architectures allow seamless integration into diverse environments. Enterprises can deploy the adapter in configurations tailored for redundancy, scalability, or performance optimization, ensuring adaptability to evolving business needs.

Thermal Management System

The BCM957504-P425G incorporates advanced thermal management to maintain safe operating temperatures. Its design minimizes power consumption while delivering high performance. Enterprises benefit from reduced cooling requirements, improved energy efficiency, and extended hardware lifespan, ensuring sustainable operations in high-density environments.

Enhanced Reliability for Mission-Critical Workloads

Reliability is a cornerstone of the BCM957504-P425G design. Quad-port redundancy ensures continuous operation even if one port fails. This failover capability minimizes downtime and maintains service availability, safeguarding critical applications and services against unexpected disruptions in enterprise environments.

Future-Proof Networking Solution

The BCM957504-P425G is designed as a future-proof solution, meeting evolving enterprise needs. Its compatibility, scalability, and advanced features ensure relevance as technology advances. Businesses can invest confidently, knowing the adapter will support networking requirements for years to come across diverse industries.