BROADCOM
Broadcom NT BCM957504-N425G 25Gb s SFP28 Ethernet PCIE4.0x16 OCP3.0 SFF NT ADT
Mfg Part Number: BCM957504-N425G , Item #: 4532744
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Price: $1,101.42
Quantity:
In Stock: 319
Last Updated: Nov 26, 2025
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The Broadcom® BCM957504-N425G is a quad-port 25 Gb/s PCI Express 4.0 x16 network adapter designed to the Open Compute Project (OCP) 3.0 Design Specification in small form factor with four SFP28 network connectors. The adapter supports SFP28/SFP+ optical modules and copper direct-attach cables. The network adapter uses the Broadcom BCM57504 100GbE MAC controller with an integrated quad-channel 25GbE SFI transceiver.
Features
Quad-Port 25-Gigabit SFP28 Ethernet adapter for OCP systems.
Features
- Quad-port pluggable media interface, compatible with a SFP28/SFP+ optical transceiver or a copper directattach cable.
- Industry's most secure PCIe adapter solution leveraging Broadcom's BroadSAFE® technology.
- Multi-Host up to four hosts.
- Fully compliant with the SFF-8402 standard.
- x16 PCI Express 4.0 compliant.
- SR-IOV with up to 1k virtual functions (VFs).
- Function-Level Reset (FLR) support.
- TruFlow™ flow processing engine.
- 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.
- 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 boot - PXE, UEFI.
- iSCSI boot.
- Wake-on-LAN (WOL).
- MSI and MSI-X.
- OCP 3.0 FRU support.
- Conforms to the OCP 3.0 Design Specification Version 1.00.
Quad-Port 25-Gigabit SFP28 Ethernet adapter for OCP systems.
Main Specification
| General Information | |
| Manufacturer | Broadcom Corporation |
| Manufacturer Part Number | BCM957504-N425G |
| Manufacturer Website Address | https://www.broadcom.com |
| Brand Name | Broadcom |
| Product Line | NetXtreme |
| Product Series | E |
| Product Model | BCM957504-N425G |
| Product Name | Quad-Port 25 Gb/s SFP28 Ethernet PCI Express 4.0 x16 OCP 3.0 SFF Network Adapter |
| Product Type | 25Gigabit Ethernet Card |
| Interfaces/Ports | |
| Host Interface | PCI Express 4.0 x16 |
| Total Number of Ports | 4 |
| I/O Expansions | |
| Expansion Slot Type | SFP28 |
| Media & Performance | |
| Media Type Supported | Optical Fiber |
| Network & Communication | |
| Network Technology | 25GBase-X |
| Physical Characteristics | |
| Form Factor | Plug-in Card |
| Weight (Approximate) | 3.88 oz |
| Miscellaneous | |
| Device Supported | Server |
WARNING:: The plastic used in cable products can expose you to lead and lead components,
chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information go to www.P65Warnings.ca.gov
