I had four rounds of interviews for two teams. Each interview lasted around an hour, with varying levels of questions.
It was an enjoyable but rather long process. The questions ranged from very basic to pretty tricky puzzles, nothing too hard. However, the number of interviews and the period in between them made the whole process tiring.
Nothing unexpected.
The following metrics were computed from 4 interview experiences for the Nvidia Hardware role in United States.
Nvidia's interview process for their Hardware roles in the United States is incredibly easy as the vast majority of engineers get an offer after going through it.
Candidates reported having very good feelings for Nvidia's Hardware interview process in United States.