Detailed Specifications
HPE 811546-B21 Ethernet 1Gb 4-Port 366T Adapter
Overview
The HPE 811546-B21 is a quad-port 1 Gigabit Ethernet adapter designed for high-density server environments. It uses the Intel I350 controller to deliver reliable, full-duplex Gigabit through four RJ-45 ports, helping consolidate network interfaces while preserving expansion slots. The adapter fits into a PCI Express 2.1 ×4 slot and supports both full-height and low-profile brackets, making it compatible with a wide range of HPE ProLiant servers. It's optimized for virtualization and I/O-intensive workloads with features like MSI-X, large send offload, and fault tolerance.
Key Features
Four RJ-45 ports at 10/100/1000 Mbps
Intel I350 controller for efficient Ethernet performance
PCI Express 2.1 ×4 interface reduces latency and supports broad compatibility
Supports virtualization offloads: MSI-X, VMQ, NetQueue
Both full-height and low-profile brackets included
Technical Specifications
| Specification | Details |
|---|
| Brand | HPE |
| Part Number | 811546-B21 |
| Product Type | 1 Gb Ethernet Adapter |
| Network Ports | 4 × RJ-45 (10/100/1000Base-T) |
| Host Interface | PCI Express 2.1 ×4 |
| Controller | Intel I350 |
| Data Rate | 1 Gbps per port |
| Supported Standards | IEEE 802.3, 802.3u, 802.3ab, 802.3x, 802.3ad, 802.1Q, 802.3az |
| Advanced Features | Fault tolerance, load balancing, jumbo frames, LSO, MSI-X, PXE boot |
| Power Consumption | Up to ~5.5 W |
| Operating Temperature | 0 °C to 55 °C |
| Form Factor | Plug-in card with both low-profile and full-height brackets |
| Compatible Servers | HPE ProLiant (Gen9 and similar) |
