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Which of these two fans is quieter?

post #1 of 6
Thread Starter 
I'm very anal about fan noise, from resonance that fans can make on the case to that 'tick' sound they get when you reduce their voltage with a controller.

I'm looking at S-FLEX SFF21F or NF-S12B FLX. Does anyone know which is quieter? Most important is no tick sound when voltage is reduced. Thanks.
post #2 of 6
Uh, Newegg lists the specs!

S-FLEX SFF21F - 28.0 dBA
NF-S12B FLX - 18,1 dBA
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My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
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Logiteck G400s none 
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post #3 of 6
Yeah, the 1200rpm S-Flex would be the better comparison. And IMO they are better than the S12.

Try to get bequiet silent Wings 2, they have the smoothest beraing outthere imo. Hardly any noise at all.
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Crucial Noctua U14S & Prolimatech MK26 (+1x Noctua A15) Antec HCP 1300 Lian Li X1000 
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post #4 of 6
NF-S12B FLX had them on mega (aircooler) could not hear them on full load. Costly tho $$$$.
Has wire with it if you want lower power to te fan
Dyslexia
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Dyslexia
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post #5 of 6
Thread Starter 
Quote:
Originally Posted by billbartuska View Post

Uh, Newegg lists the specs!

S-FLEX SFF21F - 28.0 dBA
NF-S12B FLX - 18,1 dBA

As i said in the OP, my definition of 'quiet' isn't just about decibels. There's things like clicking noises, not sure of the proper word for it, switching noises?
post #6 of 6
no noise from the fan @ all NF-S12B FLX
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