What are the rubber circles for on the back of my pc case? Should I just leave them like that if don’t have a need for them? Or are they likely to let I’m dust into the motherboard?
Edit: thanks for all the replies, so just for water cooling I have no need for.
Dust will get in pretty much no matter what you do. I wouldn’t worry about it. If you live in an already really dusty environment then get some sections of filter and attach them inside of these holes but honestly I wouldn’t worry.
It’s for water cooling loops if you want to mount the rad or pump or something outside of the case. I think it was more common in the early days of water cooling when things were less standardized.