Nvidia Roadmap — Single Machine

SuperPod SystemGenerationAcceleratorForm Factor# of Logical GPUs# of GPU diesNVLink GenerationScale-Up TopologyWithin Rack Scale-UpBetween Rack Scale-UpBandwidth per Logical GPU (GB/s uni-d)Lane Speed (GB/s)NVLink Switch GenerationSwitch Aggregate BW (GB/s uni-d)
Rubin NVL8 HGX2026RubinHGX816NVLink 6One-Layer Switched All-to-AllUBB (PCB)N/A1,800400G (200G PAM4 Simultaneous Bidi)NVLink 6 Switch3,600