{"id":"354bd118-e1c2-4081-8e12-0f5f8474524c","slug":"nvidia-gb300","name":"NVIDIA GB300 (Blackwell Ultra)","component_class":"compute_soc","function":"Blackwell Ultra refresh of the Grace Blackwell superchip; announced GTC 2025 as the mid-cycle bump between Blackwell and the next Rubin architecture.","safety_critical":false,"verification_posture":"verified","model_links":[],"failure_modes":[]}