Broadcom BCM957414A4142C 40GbE OCP NIC Adapter

Brand: Broadcom | Category: Network Adapters & NICs

SKU: BROADCOMBCM957414A4142C40GBEOCPNIC | Part #: BCM957414A4142C | MPN: BCM957414A4142C

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The BCM957414A4142C is an OCP Mezzanine 2.0 form factor adapter, which means it installs directly into the mezzanine slot of compatible OCP-certified servers rather than occupying a standard PCIe slot. This physical compatibility consideration is often the first decision point for infrastructure teams: the mezzanine form factor allows dual-port 40GbE connectivity without consuming a full-height or half-height PCIe card slot, preserving expansion capacity for storage controllers, accelerators, or additional network interfaces. For data center architects designing modular compute nodes or hyperscale deployments where every slot counts, the OCP Mezzanine 2.0 standard has become the preferred path to 40 Gigabit Ethernet without architectural compromise.

At the heart of the BCM957414A4142C sits Broadcom's NetXtreme-E BCM57414 controller, a processor built specifically for carrier-class and enterprise data center environments where reliability and deterministic performance matter as much as throughput. Each of the two QSFP+ ports delivers 40 Gbps, for a combined 80 Gbps aggregate bandwidth, connected to the host system via a PCIe 3.0 x8 interface. Network engineers deploying this Broadcom adapter typically pair it with optical direct-attach cables or active QSFP+ modules to connect to core switches or spine nodes in leaf-spine architectures. The x8 PCIe 3.0 connection—approximately 8 GB/s per direction—provides sufficient headroom for sustained 40 Gbps traffic on both ports, even when accounting for protocol overhead and the statistical nature of packet arrivals.

Broadcom equipped the BCM57414 with a comprehensive offload engine that moves CPU-intensive packet processing into hardware. TCP and UDP checksum offloads, Large Send Offload (LSO), and Large Receive Offload (LRO) reduce per-packet CPU cycles significantly in high-throughput workloads. Receive Side Scaling (RSS) distributes incoming traffic across multiple CPU cores, enabling parallel processing without lock contention. For virtualized environments, the adapter supports SR-IOV, allowing network operators to present virtual network functions directly to guest virtual machines with near-native performance. These features make the BCM957414A4142C an efficient choice for consolidated infrastructure where dozens of tenant applications or microservices compete for network bandwidth on shared hardware.

Data center bridging and RDMA capabilities round out the adapter's feature set. The BCM57414 controller implements Converged Enhanced Ethernet (CEE) standards, including IEEE 802.1Qbb Priority Flow Control (PFC) and full Data Center Bridging (DCB) support. For workloads requiring low-latency, kernel-bypass transport—such as financial trading systems, distributed in-memory databases, or machine learning clusters doing all-reduce operations—both RoCE v1 and RoCE v2 are available, turning the standard Ethernet fabric into an RDMA transport. Windows Server, Linux (via native Broadcom drivers or open-source community drivers), and VMware ESXi all support the BCM957414A4142C, ensuring compatibility across the majority of enterprise hypervisors and operating system distributions. IEEE 802.1Q VLAN tagging and jumbo frame support are standard, allowing seamless integration into multi-tenant or performance-optimized networks.

Network engineers and infrastructure teams responsible for high-density compute clusters, storage appliances, or cloud-native deployments often evaluate the BCM957414A4142C early in their design phase because OCP form factors and Broadcom's proven driver ecosystem reduce qualification risk. The part number BCM957414A4142C has earned steady adoption across regional data centers and managed service providers in the Middle East and Asia-Pacific, particularly in organizations that standardize on OCP hardware to avoid proprietary lock-in. Whether your infrastructure team is refreshing a hyperscale facility, adding 40 Gbps fabric to an AI training cluster, or consolidating multiple legacy 10 GbE adapters into fewer, higher-capacity ports, this adapter fills a clearly defined role in modern data center networking.

Interface & Connectivity Specifications

• Dual 40 Gbps QSFP+ ports with 80 Gbps aggregate bandwidth; PCIe 3.0 x8 host interface ensures no bottleneck in typical datacenter traffic patterns
• OCP Mezzanine 2.0 form factor for direct integration into compatible server baseplates; preserves standard PCIe slot availability for other expansion cards
• RoCE v1 and RoCE v2 support enables low-latency RDMA over standard Ethernet fabric, critical for distributed computing and AI workload synchronization
• SR-IOV virtualization allows virtual functions to be assigned directly to hypervisor guests, eliminating vswitch overhead for performance-sensitive applications
• Full IEEE 802.1Q VLAN tagging, 802.1Qbb Priority Flow Control, and DCB support for converged fabric designs and multi-tenant isolation
• TCP/UDP checksum, LSO, LRO, and RSS offloads reduce CPU consumption and improve throughput in sustained, high-packet-rate scenarios
• Operating range 0°C to 55°C ambient, suitable for both standard and high-density server enclosures; compatible with Windows Server, Linux, and VMware ESXi

Omnixon Global is your regional specialist for Broadcom network adapters and OCP-form-factor infrastructure hardware across the GCC, South Asia, and Southeast Asia. We maintain stock of the BCM957414A4142C and coordinate directly with Broadcom's regional support teams to ensure rapid qualification and deployment in your environment. If your data center, AI lab, or enterprise cluster requires 40 Gbps mezzanine connectivity with proven driver support and OCP compatibility, we invite you to submit an RFQ through our technical sales team. Contact us to discuss availability, lead times, and integration support for your next infrastructure refresh.