Broadcom 259272 Nt Bcm957414m4143c 50 Gb S Sfp28 Pcie 3.0 X8 Ocp 2.0 Mezzanine Card

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Usually ships the same or next business day. In stock at our CA warehouse.
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Stock Update:
03/22/2023 04:38:06 AM PST
Stock Update:
03/22/2023 04:38:06 AM PST


This item is brand-new, factory sealed.

General Description

The Broadcom BCM957414M4143C is a single-port 50 Gb/s, PCI Express 3.0 x8 Mezzanine Card, designed to the Open Compute Project (OCP) Mezzanine Card 2.0

Design Specification with a QSFP28 network connector as a Type 1 adapter with the board outline adhering to the original v0.5 dimensions. The adapter supports both QSFP28 optical modules and copper direct-attach cables.

The card uses the Broadcom BCM57414 50GbE MAC controller with an integrated single-channel 50GbE SFI transceiver.


Single-port pluggable media interface, which may be equipped with 50 Gb/s QSFP28 optical transceiver or with copper direct-attach cable

Fully compliant with the SFF-8665 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 TerminationVXLAN, 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 UART and KCS

Jumbo frames up to 9 KB

Advanced Congestion Avoidance

Multiqueue, NetQueue, and VMQ

IPv4 and IPv6 offloads

TCP, UDP, and IP checksum offloads

Large Send Offload (LSO)

Large Receive Offload (LRO)

TCP Segmentation Offload (TSO)

Receive-side Scaling (RSS)

Transmit-side Scaling (TSS)

VLAN insertion/removal

Interrupt coalescing

Network bootPXE, UEFI

iSCSI boot

Wake-on-LAN (WOL)


Conforms to the OCP Mezzanine Card 2.0 Design Specification Type 1 vertical stack Description
Single-port 50 Gb/s QSFP28 Ethernet x8 PCI Express OCP 2.0 Mezzanine Card, RoHS-compliant Storage temperature
-40oC to +70oC Storage humidity
5% to 95% non-condensingItem Dimension (L inchxW inchxH inch)
13 x 8 x 7

6.00 lb

Warranty Information
3 Years
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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Broadcom 259272 Nt Bcm957414m4143c 50 Gb S Sfp28 Pcie 3.0 X8 Ocp 2.0 Mezzanine Card