HPE P25961-B21 Dual-Port 100 GbE Ethernet Network Adapter
Overview
The HPE P25961-B21 is a dual-port 100 Gb/s Ethernet adapter designed for HPE server platforms requiring high aggregate throughput. It features two QSFP28 ports and a PCI Express 4.0 ×16 host interface, delivering up to 200 Gb/s total bandwidth. The adapter supports advanced offload features such as RDMA/RoCE, SR-IOV and tunnel offloads, making it suitable for virtualization, storage fabrics and cloud data-centre deployments. It is compatible with HPE ProLiant and Apollo servers and integrates into HPE networking ecosystems.
Key Features
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Two QSFP28 ports with 100 Gb/s per port (200 Gb/s aggregate)
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PCI Express 4.0 ×16 host interface for full bandwidth support
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Supports RDMA/RoCE, SR-IOV and tunnel offloads for reduced CPU load
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Built on Mellanox ConnectX-6 EN chipset for high performance
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Compact full-length low-profile PCIe plug-in format
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