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SilverStone FM121 and FM122

post #1 of 15
Thread Starter 
whats the difference between these two fans? apart from the penny's price difference

http://www.afterhours.co.uk/silverst...fan-p-696.html

http://www.afterhours.co.uk/silverst...an-p-1561.html
    
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post #2 of 15
The difference between those fans are the size.

FM121 = 120mm X 120mm X 25mm

FM122 = 120mm X 120mm X 32mm
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post #3 of 15
Thread Starter 
does the FM122 therefore offer higher airflow?
    
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post #4 of 15
According to the specs...the FM122 does 107 CFM at 42 dBA, while the FM121 does 110 CFM at 39 dBA. So, the FM121 is thinner and pushes more CFM, while being quieter at the same time.
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post #5 of 15
Thread Starter 
Quote:
Originally Posted by Dopin_Nuts View Post
According to the specs...the FM122 does 107 CFM at 42 dBA, while the FM121 does 110 CFM at 39 dBA. So, the FM121 is thinner and pushes more CFM, while being quieter at the same time.
ah great cheers mate rep+ for you. lol thats funny. they make it thicker and for what reason? lower performance and louder! you save 1p, mind.
    
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post #6 of 15
I suggest you better check the specs from Silverstone's official page.
Generally the 32mm thickness should yield higher CFM and maybe louder. A popular fan like the Panaflow has 32mm thickness and pushes more air at the same RPM.
    
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post #7 of 15
I've got two of the FM121's strapped to my Infinity:

...



...

I run them at about 1200RPM's for day to day work ... and they are not too loud.

Anything above that, though ... and man ... it's like jet engines in stereo!

(I use the high RPM capabilities for winter benchmarking; nice to have it available)

    
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post #8 of 15
Thread Starter 
anbosy know the silverstone website? all i can find through google is silverstone race track websites!
    
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post #9 of 15
s1rrah

That is one hell of a rig you've got buddy. I love teh spooling, I once did that, but it looks great on your rig.
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post #10 of 15
Thread Starter 
just found it. www.silverstonetek.com

and yes, the fm121 is the quietest and moves the most air
    
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