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Noctua NF-B9 vs Scythe S-Flex SFF92C Replacement CPU Cooler

post #1 of 4
Thread Starter 
I want to replace my stock Xigmatek CPU cooler fan.
http://www.xigmatek.com/product.php?...&type=overview


the fan needs to be 92mm and I want something that is (in order of preference):

A) less dba
B) better build quality
C) close in CFMs

The Xig stock fan is a 92mm 2800RPM, 28 dba, 52CFM.


Ive narrowed it down to:

1) Noctua NF-B9 $16.99
http://ncix.com/products/index.php?sku=28452
1600RPM, 17.6 dba, 37.8CFM


2)Scythe S-FLEX SFF92C $12.45
http://ncix.com/products/?sku=38013&...facture=Scythe
2000RPM, 25.3 dba, 43.2 CFM

Of the two, which one should I go with? or is there a better option for me.

Also, will I be loosing THAT MUCH performance going from 52 CFM to 37-43? That is if the Xig stock actually moves 52 CFM.
    
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CPUMotherboardGraphicsRAM
i5 2500k Gigabyte P67A-UD4-B3 Sapphire 6970 3SR Ripjaws X 8GB DDR3-1866 CL9 
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Crucial C300 Western Digital Black Western Digital Black Pioneer DVR-212DBK 
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post #2 of 4
The stock Xig fan isn't too bad either. It's an Adda fan with rifle bearings.
If you want less noise, you might want to get the Noctua. The stock Xig fan runs at a very low speed normally (due to PWM), so a change to 2000RPM should bring a notable increase in noise. (Unless you have other louder components in your computer)
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post #3 of 4
Thread Starter 
my board has the option of PMW 4pin and Voltage managed for 3pins for the CPU header, so these fans will only run top speed if temp requires it.

After watching EasyTune, the Xig only records a max of 2580RPMs, not quite the 2800 they claim.

I guess I'll just get them both and see if how they hold up to the Stock Xig fan.
    
CPUMotherboardGraphicsRAM
i5 2500k Gigabyte P67A-UD4-B3 Sapphire 6970 3SR Ripjaws X 8GB DDR3-1866 CL9 
Hard DriveHard DriveHard DriveOptical Drive
Crucial C300 Western Digital Black Western Digital Black Pioneer DVR-212DBK 
CoolingCoolingCoolingOS
NH-U12P SE2 NF-P14 FLX NF-S12B FLX Windows 7 Professional x64 
MonitorKeyboardPowerCase
LG 24" Wide (W2453V) Logitech Standard 102 (Soon to be Ducky Shine w... Corsair 850HX Ultra Aluminus ATX Black Mid-Tower 
MouseMouse PadAudio
Razer DeathAdder 3.5g Optical Steelseries 4HD Auzentech Forte 7.1 
  hide details  
Reply
    
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i5 2500k Gigabyte P67A-UD4-B3 Sapphire 6970 3SR Ripjaws X 8GB DDR3-1866 CL9 
Hard DriveHard DriveHard DriveOptical Drive
Crucial C300 Western Digital Black Western Digital Black Pioneer DVR-212DBK 
CoolingCoolingCoolingOS
NH-U12P SE2 NF-P14 FLX NF-S12B FLX Windows 7 Professional x64 
MonitorKeyboardPowerCase
LG 24" Wide (W2453V) Logitech Standard 102 (Soon to be Ducky Shine w... Corsair 850HX Ultra Aluminus ATX Black Mid-Tower 
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Razer DeathAdder 3.5g Optical Steelseries 4HD Auzentech Forte 7.1 
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post #4 of 4
So which one did you end up going with?

I too would like to find a 92mm cpu-cooler fan replacement.

I have the Shuttle PC SX58J3 Case.
http://us.shuttle.com/barebone/Models/sx58j3.html

Apparently it uses the same or similar CPU Cooler talked about above.
http://www.pcgameshardware.de/screen...SX58J3-002.jpg

I searched google for: SX58J3 Replace Fan and I found the following link.

http://us.shuttle.com/scgforum/tm.aspx?m=4831

You'll see the poster talks about the Scythe Kama DFS922512M
The only reply praises the Noctua NF-B9

Which one will keep my system quietest without fear of too much heat? I'm using it as a Media Center Computer in the living room. Since the Ceton Quad CableCard PCI Card was a bit hot, I added one silent Antec TrueQuiet 120 fan blowing down.
http://experts.windows.com/frms/wind...65.aspx#539765

I tried setting the Bios Fan settings from AUTO to Low, but that's not enough cooling and it over heats on hot days then.

Does the power supply fan make any of the noise? I ended up replacing the power supply fan in my SansDigtial TR5M-B sata enclosure and it's dead quit now. (had a nigh pitched noise)
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