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Panaflo "Ultra Quiet?"

post #1 of 3
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How would one of these work on a GTX 360, particularly compared with a GT-15?

http://www.sidewindercomputers.com/pa12ulqu.html

Would using a 38mm deep fan negate the need for shrouds?
    
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post #2 of 3
It would do fine on the GTX as long as you run it at 1500 rpm+. Anything less than that will not do so well due to the high fin density.

Compared to a GT-15 it will probably have higher static pressure because of the 38mm thickness, however I can't say anything about sound quality.

It doesn't negate the need for a shroud because a shroud eliminates the deadspace created by the fan's motor. That fan still has a motor and still has deadspace so a shroud would still have an impact on performance.

Hope that helps.
post #3 of 3
I just bought two to put on a GTX360 I also bought. I haven't tried them yet, however I am a bit concerned because I had a long discussion with the person who sold them to me, and he suggested that they were not very quiet and use a lot of power, and also on the ginormous fan testing thread here, there are audio samples of each fan and a chart of fan performance. Needless to say, the Panaflos that I had heard so much great stuff about them being high performance quiet fans has me very concerned.

That being said, just listen to his audio sample when it gets to 7-8 volts, and that should approximate the same experience, though he shows half the CFM that is suggested on that retail site. Maybe the fans are entirely different, but that would surprise me...

Also, a 38mm fan does not negate the need for a shroud. A shroud leaves space for the air to blow around the area that the motor covers. A 38mm fan just has a thicker fan section, motor included, so it will still have the low flow area around the motor housing.
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