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
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Four RJ‑45 ports at 10/100/1000 Mbps
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Intel I350 controller for efficient Ethernet performance
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PCI Express 2.1 ×4 interface reduces latency and supports broad compatibility
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Supports virtualization offloads: MSI-X, VMQ, NetQueue
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Both full‑height and low‑profile brackets included
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