Ukraine says SpaceX Starshield is restricted again; SpaceX claims it isn’t
Report: Ukraine suspects speeds limits are intended to help Russia in peace talks.
SpaceX and xAI are crafting a custom Nvidia Vera Rubin NVL72 rack-scale AI system dubbed Kessel, claims SemiAnalysis. The system replaces traditional NVLink cable assemblies with an 84-layer printed circuit board (PCB) interconnect, retaining 36 Vera CPUs, 72 Rubin GPUs, and nine NVLink switch trays. SpaceX will procure certain components from third-party suppliers, potentially gaining greater control over its supply chain.
The Kessel design uses a PCB midplane similar to Nvidia's Kyber design, boasting an 84-layer PCB with ultra-low-loss M10 copper-clad laminates, enabling simplified system assembly and independent component procurement. However, the complex midplane could pose manufacturing challenges and increase costs. Kessel diverges from Nvidia's conventional system-level procurement model, as SpaceX could source hardware directly from Nvidia and other vendors, optimizing the system for orbital deployments and potentially reducing costs.
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