Broadcom BCM957416A4162C Dual 100GbE OCP NIC 3.0 Adapter

Brand: Broadcom | Category: Network Adapters & NICs

SKU: BROADCOMBCM957416A4162CDUAL100GBEOCP | Part #: BCM957416A4162C | MPN: BCM957416A4162C

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The Broadcom BCM957416A4162C represents a practical solution for data centre operators and network engineers tasked with delivering sustained 200 Gbps aggregate throughput without crushing CPU resources. Each of the two 100GbE ports operates independently across a single PCIe Gen 4.0 x16 host interface, and the on-NIC BCM57416 controller offloads TCP, UDP, and IP checksums, large segment offload (LSO), and large receive coalesce (LRO) operations that would otherwise consume valuable kernel cycles. For high-frequency transaction workloads—algorithmic trading, real-time analytics, ML inference pipelines—this CPU offload budget translates directly into measurable application throughput gains and lower per-packet latency tail.

Built in the OCP NIC 3.0 small form factor, the BCM957416A4162C integrates into Open Compute Project–compliant server chassis without requiring custom mechanical adaptation. Broadcom engineered this adapter with data centre bridging awareness: it supports Priority Flow Control (PFC) and Enhanced Transmission Selection (ETS) per IEEE 802.1Qbb and 802.1Qaz standards, enabling lossless Ethernet fabrics where storage, cluster, and application traffic share the same physical pipe without frame loss during congestion. RoCEv2 (RDMA over Converged Ethernet v2) support at 100 Gbps per port unlocks sub-microsecond remote memory operations for HPC clusters and distributed AI training jobs, while SR-IOV multiplexing allows hypervisors to carve the adapter into multiple virtual network functions without performance tax.

Network architects deploying the Broadcom BCM957416A4162C typically encounter it in three distinct scenarios. First, in hyper-scale data centres where density and power efficiency matter, the dual-port design reduces the number of slots occupied per server while iSCSI offload and link aggregation (802.3ad LACP) simplify SAN connectivity and failover logic. Second, in GPU-dense AI labs, the RoCEv2 capability and hardware receive-side scaling (RSS) distribute multi-stream inbound traffic across NUMA boundaries without software intervention, keeping the CPU scheduler free to tend to model training rather than packet steering. Third, in virtualized enterprise environments running VMware ESXi, RHEL, or SUSE Linux Enterprise Server, the NC-SI sideband management channel allows out-of-band NIC diagnostics and firmware updates without disrupting running workloads. Administrators benefit from VLAN filtering and tagging support (IEEE 802.1Q) that simplifies multi-tenant isolation without adding software overhead.

The BCM957416A4162C requires a server motherboard with available Gen 4 PCIe lanes and a compatible form-factor slot; OCP NIC 3.0 physical compliance ensures mechanical fit in systems certified to the Open Compute Project specification. QSFP28 connectors at each 100GbE port accept both direct-attach copper (DAC) cables for rack-to-rack hops and active optical modules (AOMs) for longer-distance campus fabrics. Flow control via IEEE 802.3x prevents tail-drop congestion on the egress side, and the combination of DCB, DCBX, and standard IEEE 802.3ba 100 Gigabit Ethernet compliance means the NIC integrates into established operational practices without requiring vendor-specific fabric tuning. Broadcom's driver ecosystem is mature across hypervisors and bare-metal operating systems, reducing qualification time for teams planning 2025 or 2026 refresh cycles.

Omnixon Global carries the Broadcom BCM957416A4162C and related NetXtreme-E adapters from our Dubai hub, supplying data centres, AI research labs, and enterprise network teams across the GCC, South Asia, and Europe. Whether your infrastructure team is evaluating adapters for a disaggregated fabric upgrade or an RoCEv2-enabled HPC cluster, we can provide sample units for testing and volume pricing for procurement. Please submit an RFQ with your part number (BCM957416A4162C), intended deployment environment, and timeline; our technical account managers will confirm availability and support options for your region.

Performance Specifications & Offload Capabilities

• Dual 100GbE ports (200 Gbps aggregate throughput) with independent QSFP28 connectors and full-duplex operation
• PCIe Gen 4.0 x16 host interface with hardware offload of TCP/UDP/IP checksums, LSO, LRO, and iSCSI operations to reduce CPU overhead
• RoCEv2 support for sub-microsecond RDMA operations in HPC and distributed AI training environments
• Data centre bridging with PFC (Priority Flow Control), ETS (Enhanced Transmission Selection), and DCBX for lossless Ethernet at scale
• SR-IOV virtualization and receive-side scaling (RSS) for multi-stream workload distribution across NUMA zones without software intervention
• Backward-compatible driver support for Windows Server, RHEL, SUSE LINUX Enterprise Server, and VMware ESXi with out-of-band management via NC-SI
• OCP NIC 3.0 small form factor with 802.1Q VLAN filtering, 802.3ad link aggregation, and IEEE 802.3x flow control for seamless fabric integration