The HPE P25961-B21 is a dual-port 100GbE network adapter featuring QSFP28 connectors and supporting up to 200Gbps aggregate throughput. Built on PCIe 4.0 x16 architecture, this Mellanox-based adapter (MCX623106AS-CDAT) delivers low-latency, high-bandwidth connectivity suitable for data center environments, HPC clusters, and storage-intensive applications. The adapter is compatible with HPE ProLiant Gen10 and later server platforms and supports standard networking protocols including Ethernet, InfiniBand, and RoCE. Installation requires a PCIe 4.0 x16 slot with adequate power delivery. Typical deployments include enterprise storage networking, virtual machine clustering, and high-performance computing workloads where 100GbE speed is essential.
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