Description
HPE Broadcom BCM5719 Ethernet 1Gb 4-port BASE-T OCP3 Adapter P51181-B21
The HPE Broadcom BCM5719 Ethernet Adapter (P51181-B21) is a high-reliability, quad-port 1Gb network card designed for enterprise and data-center servers. It uses standard RJ‑45 copper cabling to provide cost-effective 1Gb connectivity.
Its OCP 3.0 form factor ensures seamless integration into HPE ProLiant Gen9 and Gen10 servers, while the Broadcom BCM5719 controller offers low-latency performance and hardware offload support. Advanced features include SR-IOV virtualization, VLAN tagging, and TCP/UDP checksum offloads, reducing CPU utilization and enhancing server efficiency.
For detailed controller information, visit the official Broadcom page:
Key Features
-
Quad 1Gb BASE-T RJ‑45 ports for reliable copper connectivity
-
OCP 3.0 mezzanine form factor for easy server integration
-
Broadcom BCM5719 controller providing stable and efficient performance
-
Supports SR-IOV, VLAN tagging, and TCP/UDP checksum offloads
-
Backward-compatible with existing 1Gb infrastructure
-
Validated for HPE ProLiant Gen9 and Gen10 servers
Technical Specifications
| Specification | Detail |
|---|---|
| Product Name | HPE Broadcom BCM5719 Ethernet Adapter |
| Part Number | P51181-B21 |
| Ports | 4 × RJ-45 BASE-T |
| Speed | 1GbE |
| Form Factor | OCP 3.0 |
| Controller | Broadcom BCM5719 |
| Virtualization | SR-IOV, VLAN, checksum offloads |
| Compatibility | HPE ProLiant Gen9 / Gen10 |
HPE Broadcom BCM5719 Ethernet 1Gb 4-port BASE-T OCP3 Adapter P51181-B21
Benefits
-
Quad-port 1Gb connectivity for enterprise server environments
-
Reduces CPU load through hardware offloads
-
Seamless installation in HPE ProLiant OCP3 slots
-
Cost-effective deployment using existing copper infrastructure
-
Stable performance for data centers, cloud, and branch office deployments
Ideal Use Cases
-
Virtualized server clusters with multiple 1Gb uplinks
-
Enterprise or SMB servers requiring high network reliability
-
Edge servers and branch office deployments
-
Storage or backup servers needing stable 1Gb connections
-
Virtualization environments with heavy east-west traffic
FAQs
Q: Can this adapter handle virtualization workloads?
Yes — it supports SR-IOV and other offload technologies to optimize CPU usage.
Q: What cabling does it use?
Standard RJ‑45 BASE-T copper cabling (Cat5e/6/6a).
Q: Which servers is it compatible with?
HPE ProLiant Gen9 and Gen10 servers with OCP3 slots.
Q: Can it handle VLANs?
Yes, VLAN tagging is supported for network segmentation.




Reviews
There are no reviews yet.