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The latest rubin ultra news, distilled by AI into sharp ~100-word summaries. ByteBrief tracks rubin ultra across dozens of tech sources and brings you only what matters, updated hourly. Tap any story for the full brief, or open the original source.

Nvidia's Kyber NVL144 rack for Rubin Ultra GPUs is delayed to 2028 due to PCB midplane manufacturing challenges. The stopgap NVL72x2 rack was also killed after customer pushback, leaving no proven alternative for Rubin Ultra's scale-up in 2027.
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