Anyone have a fix for fan hum when using one on the side of the CM 590? It doesn't matter what fan I put on there, even with rubber mounts, they all hum when intaking air unless I use the board to slow them down to 700 rpms or less. Though, if you put your ear up to the case, you can still hear a faint humming. If I flip the fan around and use it to pull air out of the case, the noise goes away no matter the rpm. I've checked and made sure they are not rubbing the side of the case (none are), so I'm not really sure what to do.
BTW, anyone looking for a 140mm fan that isn't a sleeve, doesn't cost a fortune, and is quite should look at these:
Masscool 140mm ball bearing fans
I ordered two for the top of my 590 since I really didn't want to run a sleeve fan up there. Wasn't quite sure because it is impossible to find anyone who has used Masscool. Needless to say, they move a good amount of air while being just about quite. I can hear a faint tick from one of them at 12v, but I have to have my ear up next to it and be listening for it. They sleeve the cable all the way and even come with rubber mounts. For the 10 bucks or so they were, I'm very impressed.
Also, if anyone is looking for a R4 alternative that is a little slower:
here. It is quite literally exactly like the R4 except they only make them in blue, turn a little slower, and are also ball bearing. I have it bolted to the hard drive cage where I had the R4. Neither of them made any noise, but since it turns a little slower it has less air noise (of course) than the R4.
Once I figure out this side panel humming noise on the 590, I'm going to get another to put there and a 120mm version to replace the exhaust. I'm really liking Masscool ball bearing fans if you can't tell.
edit: BTW, anyone have comments on
this HEC/Compucase.....huh.....case?