BCM957504-M1100G16 Broadcom 1-port Mezzanine Card 100GBS Ethernet PCIe

The Broadcom BCM957504-M1100G16 1-Port Mezzanine Card

The Broadcom BCM957504-M1100G16 is a next-generation high-speed single-port 100 Gigabit Ethernet network adapter designed for hyperscale data centers, cloud infrastructure, and high-performance computing environments. Built on PCI Express 3.0 x16 architecture and compliant with Open Compute Project (OCP) 2.0 Mezzanine specifications, this advanced adapter delivers ultra-low latency, massive bandwidth capacity, and enterprise-grade reliability for mission-critical workloads.

General Specifications

• Manufacturer: Broadcom
• Part Number: BCM957504-M1100G16
• Product Type: Adapter Card

Technical Information

• Interface: Single-Port 100GBE Network Adapter
• Form Factor: OCP Mezzanine Card
• Design Standard: OCP 2.0 Mezzanine Type 2
• FRU Support: OCP 2.0 FRU compatible
• Board Design: Original V0.5 dimension compliant

Media Interface and Connectivity

• QSFP56 pluggable media interface
• Compatible with QSFP56, QSFP28, QSFP+ modules
• Supports optical fiber and copper DAC cables
• SFF-8402 standard compliance

High-Speed Signaling and Protocol Support

• Supports 50G PAM-4 signaling
• Supports 25G NRZ signaling
• Advanced signal integrity optimization
• Multi-rate Ethernet compatibility

Ultra-High-Speed 100GBE Connectivity

• Single-port 100GbE QSFP56 interface
• Supports 100G, 50G, 40G, 25G, and 10G Ethernet speeds
• Compatible with QSFP56, QSFP28, and QSFP+ modules
• Supports both optical transceivers and DAC cables

PCI Express 3.0 x16 High-Bandwidth Architecture

• PCI Express 3.0 x16 compliant interface
• Optimized for ultra-high bandwidth networking
• Stable performance under heavy traffic loads

Performance Optimization Technologies

Data Center Efficiency Features

• RDMA over Converged Ethernet (RoCE) support
• Data Center Bridging (DCB) including PFC, ETS, QCN, DCBX
• Advanced congestion avoidance algorithms
• Multiqueue, NetQueue, and VMQ optimization

Packet Processing Acceleration

• 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)
• Jumbo frames support up to 9 KB

Management, Boot, and System Integration

Enterprise Management Interfaces

• Network Controller Sideband Interface (NC-SI)
• SMBus 2.0 and MCTP over SMBus
• PCIe-based UART and SMBus management
• MSI and MSI-X interrupt handling

Boot and Deployment Capabilities

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

Overview of Broadcom BCM957504-M1100G16 100GBE Adapter 

The Broadcom BCM957504-M1100G16 is a single-port 100GbE PCIe 3.0 x16 OCP 2.0 mezzanine card engineered for hyperscale and enterprise environments. It leverages the BCM57504 Ethernet controller with integrated 100GbE transceiver, supporting QSFP56, QSFP28, and QSFP+ optical modules as well as copper direct-attach cables. This design ensures flexibility, scalability, and compatibility with diverse networking infrastructures.

PCIe 3.0 x16 Bandwidth Efficiency

The PCIe 3.0 x16 interface provides robust bandwidth for high-speed communication between the adapter and host systems. This ensures smooth operation of virtualization, cloud computing, and high-performance applications without bottlenecks. Enterprises benefit from consistent throughput, enabling mission-critical workloads to run seamlessly.

QSFP56 Connectivity Advantages

QSFP56 connectivity allows the BCM957504-M1100G16 to support 100GbE links with PAM-4 signaling. This ensures compatibility with modern optical modules and copper cables, providing enterprises with flexible deployment options. The pluggable interface simplifies upgrades and enhances scalability for evolving data center needs.

OCP 2.0 Mezzanine Compliance

The adapter conforms to the OCP 2.0 mezzanine card specification, ensuring interoperability with Open Compute Project systems. Its Type 2 design and compact form factor optimize space utilization in dense server environments. This compliance streamlines deployment and reduces infrastructure complexity.

BroadSAFE Security Technology

BroadSAFE technology enhances the BCM957504-M1100G16 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.

SR-IOV Virtualization Support

The BCM957504-M1100G16 supports SR-IOV with up to 1,000 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 and reduced overhead.

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 and lower latency for demanding workloads.

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.

RDMA over Converged Ethernet (RoCE)

RoCE support allows the BCM957504-M1100G16 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 and large-scale analytics. Enterprises benefit from improved efficiency in distributed computing environments.

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 and reduced packet loss.

IPv4 and IPv6 Offloads

The BCM957504-M1100G16 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.

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 and scientific computing. Enterprises achieve faster communication with reduced latency.

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 and reduced configuration complexity.

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 and reduced operational costs.

Function-Level Reset (FLR) Support

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 and reduced maintenance overhead.

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 and reduced bottlenecks.

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 and improved scalability.

Applications in Hyperscale Data Centers

The BCM957504-M1100G16 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 and future-ready infrastructure.