I understand that if it's something that is incredibly common, it would be of little value to mention this. For instance if you're interviewing with Samsung and you say "I have a Samsung phone" that means practically nothing because so many people have Samsung phones.
In my case, I have an interview with a company that makes electrical connectors. I have designed several circuits boards that utilize their connectors and have been very pleased with their quality. Is this something that would be worth mentioning to the interviewer? I feel like this would be a good way to express interest in the company, as well as show that I'm experienced with that area of work. But on the other hand, I feel like employers might just think "yeah, that's what everybody we interview says" and completely dismiss it.