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Replacement Fans??

J

JMcQueen

Limp Gawd
Joined
Sep 27, 2008
Messages
146
Id like to replace the fan in my PSU (Silverstone Strider) as its now the noisiest part of the system and would like some suggestions.

I stripped out the original fan, removed the plastic holder from the base of the original fan and fitted it to the red and black cable of a Sythe S-Flex that I had going spare. The fan started on bootup but then shut down and didnt run. Im guessing that the voltage is wrong for the Sythes to run off the PSU board.

Does anyone have any recommendations of fans that will work?
 
Check the operating voltage of the original fan. That should give you an idea of what to look for.
 
It's possible that the fan controller circuitry doesn't like the new fan. You could try powering it directly from the PSU's outputs instead of connecting it to the controller.
 
If I have to, thats what'll do but ideally I'd like to keep it internal to avoid the addition of cables into the case.

I dont have a voltmeter so unfortunately I cant tell what the voltage of the original fan is.
 
The Scythe has a higher starting voltage than the stock fan did; when the power supply is cool, the fan controller circuit keeps the fan voltage low to keep noise down, and the voltage it supplies is too low for the Scythe fan to spin. As the power supply warms up the Scythe fan should eventually see enough voltage to start working, so I wouldn't worry about it.

I would, however, worry about the Scythe fan moving enough air. If it's not starting at what is probably a relatively high minimum voltage from the fan controller (I'd guess 4-6v), it's probably one of the lower speed Scythe fans, isn't it? Depending on the load on the power supply, it may not be sufficiently powerful to keep the PS cool.

Run it and keep an eye on it, if it seems to be getting a lot hotter than it was with the stock fan you're going to have to spend some money on a different fan. I also suggest you look at your case cooling; the only loud power supplies I've ever owned are the 1kW PCP&Cs and the 700w Zippys that I have, all of which are high-wattage units with high speed 80mm fans. If your PS has a 120+mm fan and it's loud, you're either extremely sensitive to noise, the PS has an awful fan controller, or your case temperatures suck.
 
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