BCM957504-N1100G Broadcom 1-Port Ethernet PCI Express SFF Network Adapter

Highlights of Broadcom BCM957504-N1100G Single-Port Adapter

The Broadcom BCM957504-N1100G is a next-generation single-port 100 Gigabit Ethernet network interface card designed for hyperscale data centers, cloud infrastructure, and high-performance computing environments. Built on PCI Express 4.0 x16 architecture and compliant with Open Compute Project (OCP) 3.0 standards, this advanced QSFP56 adapter delivers ultra-high bandwidth, low latency networking, and enterprise-grade security for mission-critical workloads.

General Specifications

• Manufacturer: Broadcom
• Part Number: BCM957504-N1100G
• Product Type: Network Adapter

Technical Product Information

• Interface: Single-Port 100GBE QSFP56
• Form Factor: OCP 3.0 Small Form Factor
• Design Standard: OCP 3.0 Specification
• FRU Support: OCP 3.0 FRU compliant
• Board Type: High-density mezzanine network adapter

PCI Express 4.0 x16 High-Bandwidth

• PCI Express 4.0 x16 compliant design
• Optimized for ultra-high-performance networking
• Stable data transmission under heavy traffic loads

Ultra-Fast 100GbE QSFP56 Connectivity

• Single-port 100GbE QSFP56 interface
• Compatible with QSFP56, QSFP28, and QSFP+ modules
• Supports optical transceivers and direct-attach copper cables (DAC)
• Multi-rate Ethernet support up to 100Gbps

Media Interface and Signaling Support

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

Advanced Ethernet Signaling Technologies

• Supports 50G PAM-4 signaling
• Supports 25G and 10G NRZ signaling
• High-efficiency multi-rate Ethernet architecture

Advanced Networking and Security Features

Broadsafe Security Architecture

• Hardware-rooted security framework
• Secure boot and firmware integrity validation
• Enhanced protection against unauthorized access

Multi-Host and Virtualization Capabilities

• Supports up to 4 host systems (multi-host architecture)
• SR-IOV with up to 1,000 Virtual Functions (VFs)
• Function-Level Reset (FLR) support
• TRUFlow™ intelligent flow processing engine

Overlay and Virtual Network Acceleration

• VXLAN, NVGRE, Geneve, and GRE tunneling support
• vSwitch acceleration for virtual environments
• Tunnel-aware stateless offloads

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 and System Integration

Enterprise Control Interfaces

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

Boot and Deployment Features

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

Overview of Broadcom BCM957504-N1100G 100GBE Adapter 

The Broadcom BCM957504-N1100G is a single-port 100GbE PCIe 4.0 x16 OCP 3.0 small form factor adapter designed for modern data centers. It supports QSFP56, QSFP28, and QSFP+ optical modules as well as copper direct-attach cables, ensuring deployment flexibility. Powered by the BCM57504 Ethernet controller, it integrates a single-channel 100GbE transceiver to deliver reliable high-speed connectivity for enterprise workloads.

BroadSAFE Security Technology

BroadSAFE technology enhances the BCM957504-N1100G 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 and cyber threats.

SR-IOV Virtualization Support

The BCM957504-N1100G 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.

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.

PCIe 4.0 x16 Bandwidth Efficiency

The PCIe 4.0 x16 interface provides double the bandwidth of PCIe 3.0, ensuring rapid communication between the adapter and host systems. This enables smooth operation of virtualization, cloud computing, and high-performance applications without bottlenecks. Enterprises benefit from consistent throughput and reduced latency for mission-critical workloads.

QSFP56 Connectivity Advantages

QSFP56 connectivity allows the BCM957504-N1100G 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 3.0 Small Form Factor Compliance

The adapter conforms to the OCP 3.0 design specification, ensuring interoperability with Open Compute Project systems. Its compact form factor optimizes space utilization in dense server environments. This compliance streamlines deployment and reduces infrastructure complexity for hyperscale operators.

RDMA Over Converged Ethernet

RoCE support allows the BCM957504-N1100G 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-N1100G 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.

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-N1100G 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.

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.