shiveyarbles ,

They're like buttholes for your computer

pelletbucket ,
@pelletbucket@lemm.ee avatar

Glorywindow

Wahots ,
@Wahots@pawb.social avatar

Watercooling holes. That said, I've never seen anyone use them. Mounting external rads is a bitch. They take up space. Most people just buy a watercooling compatible case.

KeepFlying ,

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.

OsaErisXero ,

Not less standardized so much as when the only cooling loops were custom ones and not AIO

kamen ,

Besides the water cooling that's already mentioned, those could be used for example for routing an internal device out and into the I/O of the motherboard. An example would be some fan/RGB controllers that are meant to be somewhere inside the case, but are terminated with a standard USB A plug (and very few motherboards have that as an internal connector). Another example is a mini display that you could put inside the case that would need to interface with the GPU (so you'd need to route a DP or HDMI cable out of the case and into the back of the GPU).

lungdart ,
@lungdart@lemmy.ca avatar

Those are rubber grommets. They'll protect cables from wearing on metal that pass through the case.

Likely for things with hard wired controllers, like fan controllers or led lighting. You can hang the controller outside of the case in the back where nobody will see it.

sanpo ,

Just leave them be. I think their point was to route tubing for custom water cooling loops.

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