The HPE R4M47A is a dual-port 200Gb/s network adapter featuring QSFP56 connectors and PCIe 4.0 x16 interface. This card delivers 200Gb/s throughput per port (400Gb/s aggregate) and supports both HDR InfiniBand and Ethernet protocols, making it suitable for high-performance computing clusters, data center interconnects, and storage area networks requiring low-latency, high-bandwidth connectivity. The adapter is compatible with HPE ProLiant servers and other x86 platforms supporting PCIe 4.0. It requires appropriate QSFP56 optics and switch infrastructure for deployment. Typical applications include HPC environments, machine learning workloads, real-time analytics, and enterprise backup/replication across distributed data centers where aggregate bandwidth and minimal latency are critical.
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