Author Topic: noctua rubber fan mount things?  (Read 3259 times)

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Offline coppercone2Topic starter

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noctua rubber fan mount things?
« on: December 31, 2023, 07:49:10 am »
Noctua sells their fans with these rubber spikes that you pull through a hole to clamp the fan to the chassis.


They are convenient and I imagine it dampens the noise when combined with the rubber corner pieces on the fan.

How do you feel about them?
https://www.amazon.com/Noctua-NA-SAV2-Accessory-Anti-Vibration-Mounts/dp/B00KG3KUK6

I have one fan connected to a function generator now with them for like a year and it has not fallen off yet.
« Last Edit: December 31, 2023, 07:51:38 am by coppercone2 »
 

Offline mendip_discovery

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Re: noctua rubber fan mount things?
« Reply #1 on: December 31, 2023, 12:39:48 pm »
Anything to separate the vibes from the chassis. This is ok when the fan is balanced, but as it becomes unbalanced it might some very low frequency vibes. The rubber will also wear etc.

It's better than nowt but only time will tell.
Motorcyclist, Nerd, and I work in a Calibration Lab :-)
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So everyone is clear, Calibration = Taking Measurement against a known source, Verification = Checking Calibration against Specification, Adjustment = Adjusting the unit to be within specifications.
 

Offline coppercone2Topic starter

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Re: noctua rubber fan mount things?
« Reply #2 on: December 31, 2023, 09:29:28 pm »
if its the same durability as my kitchen gadgets it should last a long time. A spatula developed a tear after maybe 15 years.At least thats what I am hoping. 

probobly rigol 1052e gets this mount because I have been replacing some fans. Equipment is a little quieter but it adds up quickly if you have multiple test gears running from gear running to annoying.
 

Online SiliconWizard

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Re: noctua rubber fan mount things?
« Reply #3 on: January 01, 2024, 06:12:26 am »
Rubber doesn't last forever, but these are inexpensive (well, probably not for what they are, but in regards to their lifetime) - if they start cracking in 10 years, just replace them. And rubber is susceptible to high temperatures. For chassis fan mounts, I bet the temperature will never be that high, so you should be good for well over 10 years even.
 

Offline coppercone2Topic starter

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Re: noctua rubber fan mount things?
« Reply #4 on: January 01, 2024, 06:22:44 am »
i think its silicone rubber btw, I don't think its rubber stopper rubber
 

Offline thm_w

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Re: noctua rubber fan mount things?
« Reply #5 on: January 03, 2024, 12:16:18 am »
They specifically call them "premium-grade silicone" on the website. https://noctua.at/en/na-sav3

The aliexpress ones I got also feel to be silicone
https://www.aliexpress.com/item/1005005746770137.html
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Offline pickle9000

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Re: noctua rubber fan mount things?
« Reply #6 on: January 03, 2024, 03:03:44 am »
Dell 0N399 Rubber Grommets Anti-Vibration Fan Mount. These go way back, still surprised to see how long they last
 

Online John B

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Re: noctua rubber fan mount things?
« Reply #7 on: January 04, 2024, 07:40:14 pm »
I use them on all my computer builds now. Yes, I'm a bit of a sucker for Noctua stuff.

The help to reduce mid range resonances / whines coming from the fans. The overall volume of the fan won't change dramatically, but they help to solve the problematic frequencies that are produced when you solidly connected a fan to sheet metal.
 


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