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Green circuit board with two silver SFP+ cages and a pull-tab bracket

Broadcom

Broadcom BCM957412N4120C 10G dual-port SFP+ OCP 3.0 network card

SKU CH-V7V9-YXF41 MPN BCM957412N4120C

Dual-port 10 Gb/s SFP+ OCP 3.0 adapter with PCIe 3.0 x8, SR‑IOV up to 128 functions and BroadSAFE silicon root of trust

  • Speed10Gbps
  • FeaturesDual-port pluggable media interface, which can connect to a
  • Dual 10 Gb/s SFP+ ports deliver line-rate throughput
  • OCP 3.0 form factor fits modern server chassis
  • 16 physical functions enable NIC partitioning for multi-tenant workloads
  • TruFlow engine accelerates vSwitch processing to boost VM density
  • BroadSAFE Silicon Root of Trust provides hardware-level platform security

Dual-port 10G SFP+ OCP 3.0 adapter

This Broadcom BCM957412N4120C adapter delivers two 10Gbps SFP+ ports in an OCP 3.0 form factor for enterprise and cloud-scale servers. It targets workloads such as high-performance computing, telco, machine learning, storage disaggregation and data analytics. The card uses a PCIe 3.0 x8 interface and supports pluggable optical transceivers or copper direct-attach cables.

Verify OCP 3.0 slot and PCIe 3.0 x8 availability

Confirm the server provides an OCP 3.0 mezzanine slot with a PCIe 3.0 x8 electrical connection. Ensure the chassis can accommodate the pull-tab bracket and that the power budget covers the adapter. Check that SFP+ transceivers or direct-attach cables match the intended link distance and media type.

Fits OCP 3.0 server designs for scale-out networking

The adapter occupies a single OCP 3.0 slot, freeing standard PCIe slots for other accelerators. Its NIC partitioning offers 16 physical functions and SR-IOV with up to 128 virtual functions to increase VM density. TruFlow engine offloads vSwitch processing while BroadSAFE silicon root of trust secures the platform. RoCE and NVMe support enable low-latency storage and RDMA workflows.

Highlights

  • Dual 10 Gb/s SFP+ ports deliver line-rate throughput
  • OCP 3.0 form factor fits modern server chassis
  • 16 physical functions enable NIC partitioning for multi-tenant workloads
  • TruFlow engine accelerates vSwitch processing to boost VM density
  • BroadSAFE Silicon Root of Trust provides hardware-level platform security

Specifications

BrandBroadcom
ModelBCM957412N4120C
Speed10Gbps
FeaturesDual-port pluggable media interface, which can connect to a 10G SFP+ optical transceiver or a copper directattach cable.
Fully compliant with the SFF-8402 standard.
x8 PCI Express 3.0 compliant.
SR-IOV with up to 128 virtual functions (VFs).
Function-Level Reset (FLR) support.
TruFlow flow processing engine.
Virtual Network Termination-VXLAN, NVGRE, Geneve, GRE encap/decap.
vSwitch Acceleration.
Tunnel-aware stateless offloads.
DCB support - PFC, ETS, QCN, DCBx.
RDMA over Converged Ethernet (RoCE).
Network Controller Sideband Interface (NC-SI).
SMBus 2.0.
MCTP over SMBus.
PCIe-based
Shipping weight0.91 kg
Package size178 × 127 × 76 mm

Questions about this item

What comes in the box and do I need to buy SFP+ transceivers or cables separately?

The adapter includes a dual-port SFP+ cage and a pull-tab bracket. Transceivers or direct-attach cables are not included and must be purchased separately.

Should I choose the dual-port 10 Gbps OCP 3.0 version or a higher-speed 25 Gbps model?

Select the 10 Gbps dual-port model for current 10 GbE links; move to a 25 Gbps adapter only if the switch ports and cabling already support 25 GbE.

What does the 10 Gbps line-rate figure mean once the card is installed in a PCIe 3.0 x8 slot?

The x8 PCIe 3.0 interface provides enough bandwidth for both ports to run at full 10 Gbps simultaneously without bottleneck.

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