InfiniBand

InfiniBand vs. Ethernet: Which Is Better for AI Networking?

When building AI infrastructure, the networking choice is often one of the most strategic decisions—it determines whether thousands of GPUs work together as a unified supercomputer or become a collection of expensive, isolated processors. Today, InfiniBand and Ethernet are the two dominant options, each with distinctly different design philosophies and use cases. InfiniBand: A Purpose‑Built […]

AI, InfiniBand

InfiniBand FAQ

What is the difference between NDR and XDR InfiniBand? NDR delivers up to 400 Gb/s per port, while XDR doubles that to 800 Gb/s per port. XDR also offers higher port density (e.g., greater aggregate throughput) and enhanced SHARP (in‑network computing) capabilities. How many ports does the NVIDIA QM9700 have? The QM9700 provides 64 400G […]

FAQ, InfiniBand
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