Nvidia's Kyber rack for Rubin Ultra reportedly delayed to 2028, stopgap solution also axed due to customer pushback — Analyst firm SemiAnalysis says PCB midplane problems led to the delay

Nvidia reportedly won't ship its Kyber NVL144 rack until 2028, a delay of more than 12 months.
The report by SemiAnalysis highlights critical manufacturing and design challenges emerging as compute demands push the boundaries of current hardware capabilities.
This delay indicates potential bottlenecks in the supply of leading-edge AI compute infrastructure, affecting timelines and strategies for AI model development and deployment.
The anticipated availability of high-performance AI racks is now significantly pushed back, forcing customers to re-evaluate their hardware procurement and AI strategy roadmaps.
- · AMD
- · Intel
- · Custom ASIC developers
- · Nvidia
- · Large AI labs
- · Cloud providers
Nvidia's market share in the advanced AI compute segment may face increased competition due to delayed product availability and customer dissatisfaction.
Customers facing delays may explore alternative hardware solutions or accelerate their own in-house chip development to mitigate reliance on single vendors.
This could lead to a broader industry trend of diversified AI hardware sourcing and a renewed focus on hardware modularity or compatibility to prevent future supply chain disruptions.
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