Broadcom BCM57504 Ethernet 10/25Gb 4‑port SFP28 OCP3 Adapter P26269-B21

The Broadcom BCM57504 Ethernet 10/25Gb 4-port SFP28 OCP3 Adapter (P26269-B21) is a high-performance networking solution engineered to meet the escalating demands of today’s dynamic data centers and enterprise environments. Leveraging the Open Compute Project (OCP) 3.0 form factor, this adapter combines advanced features with a compact design, offering exceptional density and efficiency for critical server infrastructure.

Technical Specifications:

Driven by the sophisticated Broadcom BCM57504 controller, this adapter delivers robust and reliable network connectivity. Key technical specifications include:

• Ethernet Speed: Supports both 10 Gigabit Ethernet (10GbE) and 25 Gigabit Ethernet (25GbE) connectivity across all four ports, providing significant bandwidth for diverse workloads and a clear upgrade path.
• Port Configuration: Features four SFP28 ports, offering high port density and flexibility for network segmentation, link aggregation, or redundant connections. SFP28 transceivers are standard for 25GbE.
• Form Factor: Adheres to the OCP 3.0 specification, enabling compact, hot-pluggable integration into compatible servers, simplifying deployment and maintenance.
• Interface: Utilizes a PCIe Gen4 x16 interface, ensuring ample bandwidth between the adapter and the server’s CPU to fully saturate the aggregate 100Gbps (4x25GbE) throughput without bottlenecks.
• Advanced Features: Incorporates a comprehensive suite of offload engines including VXLAN, NVGRE, Geneve, RoCEv2 (RDMA over Converged Ethernet), and various Stateless Offloads (TSO, LRO, checksum offloads). These features dramatically reduce CPU utilization, improve network throughput, and enhance application performance.

Advantages:

The P26269-B21 adapter offers compelling advantages for high-performance computing:

• Extreme Bandwidth: With four 25GbE ports, it provides up to 100Gbps of aggregated bandwidth, essential for hyper-converged infrastructure, large-scale virtualization, and intensive storage applications.
• Optimized Performance: Advanced offload capabilities offload networking tasks from the CPU, allowing server resources to be dedicated to core applications, boosting overall system performance.
• Enhanced Virtualization: Comprehensive support for network virtualization technologies improves the efficiency and scalability of virtualized environments.
• Future-Proofing: The dual 10/25GbE speed support ensures compatibility with current network standards while providing a clear upgrade path for future bandwidth needs.
• Compact & Efficient: The OCP 3.0 form factor delivers high port density in a small footprint, ideal for space-constrained data center racks.

Applications:

This versatile quad-port adapter is perfect for a variety of demanding scenarios:

• Hyperscale Data Centers: Provides high-density, high-speed connectivity for cloud infrastructure, supporting massive East-West traffic.
• High-Performance Computing (HPC): Delivers the necessary bandwidth and low latency for clustered computing environments and scientific simulations.
• Enterprise Servers & Virtualization Hosts: Maximizes network throughput for enterprise applications, large-scale virtual machine deployments, and containerized workloads.
• Storage Networks (NVMe-oF, iSCSI, Fibre Channel over Ethernet): Accelerates data access and transfer speeds to and from high-performance network storage.
• AI/ML Workloads: Supports the intense data flow required for artificial intelligence and machine learning applications.

The Broadcom BCM57504 OCP3 adapter is a critical component for organizations building or upgrading high-density, high-performance network infrastructures. Its blend of speed, efficiency, and advanced features ensures your network can keep pace with evolving demands.