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Forum Discussion
FAN loud XS508M
Dear all, I hope I get some tips for my problem what I have and maybe many others. I bought a XS508M unmanaged switch, a nice one but I am in shock about the very very noisy fan inside. I like t...
Noise is a extremely subjective thing - have a XS505M here on the table, almost not recognizable. In a very silent room, 22.5 dba (~0.3 sone) is certainly audible, but far away from noisy.
Not convinced the alternate fans offered e.g. on eBay - these are, like the OEM fans, 12 V DC, nominal max RPM of 9000 min^-1 but are operated at much lower RPM under normal conditions in the XS508M/XS505M. If you are open the experiment (with an uncertain outcome) order what these sellers are offering.
Keep in mind all typical rack mountable (I'm talking about those not sold as very silent like the XS505M/508M) are intended to be operated in hot rack mount environments. These switch fans operate on speeds of up to 15'000 min ^-1 ... definitively comparably noisy because these are producing massive amount of heat which has to be feed out....
Hey hi thank you for responding,
I am a bit surprised that your 505 is so quiet. I shall try to measure the 508 too.
Yes I read some advertisements on Ebay and internet and maybe I am going todo that.
If you put the 508 in a rack its ok but in a silent study / work room
The fan noise is such high and too loud.
The fan is’t automatic , are they? If so when he is at quiet mode? With less then 4 connections?
Dear all,
Add question about when is the ventilator light in the XS 508M going to orange, at what conditions?
I work with a Noctua fan is working pretty good but the light is orange.
I wander is that the RPM minimum value? or else? I dont think there is a blow CFM senor
Thx.
DuursC wrote:
Add question about when is the ventilator light in the XS 508M going to orange, at what conditions?
I work with a Noctua fan is working pretty good but the light is orange.
Non-compatible tach signal, or RPM lower than specified. Note. The higher the propeller tip speed is, the higher the noise level. It's not difficult to design fans with low noise: Just lower the RPM, or power them off.
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