• HPE 811546-B21 quad-port 1GbE RJ45 Ethernet NIC with heatsink
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HPE

HPE 811546-B21 | 4x1GbE BASE-T RJ45, PCIe x4; quad-port server NIC; VLAN and checksum offload; PXE boot

811546-B21

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Description

Quad-port 1GbE BASE-T adapter for servers requiring versatile RJ45 connectivity and high port density on a single PCIe slot. Ideal for virtualization hosts, management networks, and IP storage on copper.

Features

- Four RJ45 ports for dense 1GbE connectivity
- PCIe x4 interface for broad server compatibility
- Enterprise features including VLAN and checksum offloads
- PXE support for network-based provisioning
- Copper cabling for cost-effective deployments

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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Technical Specifications

FAQs

Technical Specifications

- Ports: 4 x 10/100/1000BASE-T (RJ45)
- Interface: PCI Express x4
- Cabling: Cat5e/6 copper up to 100 m per port
- Standards: IEEE 802.3ab (1000BASE-T), 802.3u (100BASE-TX), 802.3 (10BASE-T)
- Offloads: VLAN tagging, checksum, large send/receive offload (OS dependent)
- Boot support: PXE network boot
- Use cases: virtualization hosts, management LANs, IP storage, and general server networking

FAQs

Q: What type of cable do I need?
A: Use Cat5e or Cat6 copper cabling for 1GbE up to 100 meters per port.

Q: Does this adapter support SR-IOV or virtualization features?
A: Virtualization features depend on the adapter firmware and host platform; check your OS and platform release notes for specific support.

Q: Is a low-profile bracket included?
A: Bracket contents can vary by kit. Please confirm the included bracket type before purchase.

Q: Can the ports be teamed or bonded?
A: Yes, link aggregation/bonding is supported via the host OS or switch configuration.

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