NvidiaNvidia Kyber NVL144 Delay to 2028 Shows AI Scaling Has a PCB Manufacturability BottleneckThe reported rack slip turns the spotlight from GPU specs to the stubborn physics of building a Vera Rubin Ultra midplane at scale.

• Nvidia Kyber NVL144
• Rubin Ultra
• AI Infrastructure
• PCB Manufacturing

Theo·Jul 7, 2026·5 min readRead the story