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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....
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