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HPE

HPE P51181-B21 | Quad 1GbE RJ-45 OCP 3.0 Adapter | 4x 10/100/1000BASE-T, OCP3 mezzanine, checksum offload, RSS, jumbo frames

SKU:P51181-B21

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Description

High-density 1GbE copper networking in an OCP 3.0 form factor for modern ProLiant platforms. Ideal for management, storage, and multi-network segregation with VLANs, RSS, and checksum offload to optimize throughput and CPU efficiency.

Features

- OCP 3.0 form factor for streamlined server integration
- Four-port 1GbE density on copper RJ-45
- Network efficiency via checksum offload and RSS
- PXE boot for rapid deployment
- VLAN-ready for segmented traffic

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Will this fit in a PCIe slot?
A: No. This is an OCP 3.0 mezzanine card and requires an OCP3 slot.

Q: Which servers support OCP 3.0?
A: Many newer ProLiant platforms (e.g., select Gen10 Plus/Gen11) provide an OCP 3.0 slot—verify your specific model.

Q: Does it support jumbo frames and VLANs?
A: Yes, jumbo frames and 802.1Q VLAN tagging are supported.

Q: Is SR-IOV available?
A: BCM5719 focuses on RSS, MSI-X, and standard offloads; SR-IOV is not a primary feature.

Q: Can I use standard copper cabling?
A: Yes, use Cat5e or better for 1GbE up to 100 meters.

Technical Specifications

- Controller: Broadcom BCM5719
- Form factor: OCP 3.0 (OCP3) mezzanine adapter
- Ports: 4x 10/100/1000BASE-T (RJ-45)
- Cabling: Cat5e or better; up to 100 m per port
- Offloads/features: TCP/UDP checksum offload, VLAN tagging (802.1Q), MSI-X, RSS, jumbo frames
- PXE boot support
- Compatibility: Servers with an OCP 3.0 NIC slot (check platform guide for support)
- Use cases: Out-of-band networks, storage IP, multi-tenant segmentation

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