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Using rubber/nylon washers on fans?

M

MuZI

Limp Gawd
Joined
Jan 1, 2006
Messages
344
Has anyone tried to install rubber/nylon washers on their fans to decrease noise?

I'm curious if it would reduce vibration.
 
Been done, quite a few times. I've never noticed any real reduction in noise to speak of from it though. What fans are you using?
 
Siorus said:
Been done, quite a few times. I've never noticed any real reduction in noise to speak of from it though. What fans are you using?
Click to expand...

They're the fans that come with the CM 690 II case. They aren't too loud but I'd still like to reduce all possible noise and the washers cost like $4 for 100 of them.

What 120mm fans should I add to the top and bottom of the case?
 
Huh, I just built a system in a 690 and I found those things almost inaudible. Had a couple spares from some other 590/690s and filled it out with them; wasn't impressed with the airflow but even then I could barely hear it. Maybe I need my hearing checked.

Anyhow, for what they cost there's no real reason not to do it, but I wouldn't expect much from it. As far as what fans you should fill out the case with goes... well... how much do you want to spend? If you want quiet your best bets are the Sanyo Denki 9S1212M401s (59cfm, 24dB) or 9S1212L401s (49cfm, 17dB), but those are $22 each (plus shipping, which Newark doesn't quote until the items have been shipped because they're not really set up to sell to individuals, although they do it), and you'll need to buy Molex connectors and pins and tail them yourself (less than $1 more for both fans) with crimpers or needlenose pliers.

If that's too much work, the Scythe Gentle Typhoons are excellent fans; they're made by Nidec (which is almost as good, if not as good as Sanyo Denki); I'd go with the D1225C12B4AP-14 which is 50cfm @ 21dB, and they run about $15 each. If you want cheaper than that I'll have to do some digging around; I know Yate Loon makes some popular fans that are inexpensive and supposed to be quiet, but they're not going to match the Scythes or the SDs for quality. You get what you pay for in this case.

This video ought to give you some idea of the quality of the SD and Nidec fans vs. "normal" case fans.
 
What 120mm fans should I add to the top and bottom of the case?
Click to expand...

What Siorus said: Scythe GT 1450rpm fans are great case fans. One case fan that's performed well for me too is the Silverstone golf bladed fan. I found the 1600rpm S-Flex fan to be too loud for me though.
 
Keep in mind you will "open up" the gap between the fan and the case if you attempt to fully isolate the fan (washer under head of screw, washer between fan and case and washer under nut if used) washers and a silicon fan gasket would be better I think. The premade ones are pricey, I dont see why one could not use RTV silicone from the hardware store and put a little bead around the edge of the fan housing and just barely tighten them up aginst the case to "form" the silicon until it drys and then snug the screw down. The silicone would peel off pretty easy if the fan ever needed to be replaced.

Nylon likly too "hard' soft rubber better and thick enough you can keep the fan snug but not compress the washer all the way.
 
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