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I Need Someone to Confirm or Correct Me.

post #1 of 7
Thread Starter 
I am buying a Cooler Master Hyper 212 EVO and I have some spare case fans to play around with. So, my idea was to take the fan off two of the ENERMAX MAGMA UCMAA12A 120mm Case Fan and put them in push/pull on the Hyper EVO. So, I wanted to figure out how much airflow I could/should expect from a single fan replacement. (push/pull has too many factors)

So, here's my math.
Comparison.png

A Hyper EVO yields 24.9 CFM @ 600 RPM's, and 82.9 CFM @ 2,000 RPM's. This ratio averages to 24.11.08 RPM per CFM
The Enermax yields 47.67 CFM @ 1,000 RPM's, and 83.03 CFM @ 1,800 RPM's. This ratio averages to 21.3283 RPM per CFM

Thus, replacing CM fans with EM fans should result in 93.7725 CFM, a 12% increase.

Any critiques, thoughts, and opinions are welcome.
post #2 of 7
You need to look at the static pressure of the fans as well. That's what forces air through a heatsink.
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H2O^3
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post #3 of 7
Thread Starter 
No!!!! I forgot about that...good thing I made a thread.
post #4 of 7
Thread Starter 
CM- 3.9 @ 2000 RPM
EM- 2.016 @ 1800 RPM

Damn. Thanks for the reminder, though.
post #5 of 7
Yeah, that's about what I figured.
H2O^3
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H2O^3
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CPUMotherboardGraphicsRAM
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Samsung 840 EVO Swiftech Apogee HD Windows 7 Professional 64-bit Dell U2414H 
MonitorMonitorMonitorKeyboard
Dell U2414H Dell U2414H LG 23" 1080p LED g710+ 
PowerCaseMouseAudio
OCZ ZT 750W Corsair Air 540 White G700 G930 
AudioOtherOtherOther
Z313 Swiftech MCP35X ST30 240mm GT-S 360mm 
OtherOtherOtherOther
EasyMountLCD 3+1 Pyramid Monitor Mount Fanatec CSR Wheel Fanatec CSR Elite Pedals Fanatec ClubSport Shifter SQ 
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Western Digital Blue 250GB Western Digital Red 2TB Xigmatek Loki Windows Server 2012 
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post #6 of 7
Thread Starter 
Well, I can always put my 5 case fans throughout the case (NZXT H440) and put a spare as the pull fan. Would that be a good set up? Case fans with great CFM, a pull fan with decent CFM and good SP, and then the pull fan having great CFM? I would think that's the ideal air cooling situation.

PS: the reasoning behind the fans is that it gets over 100° F in the summer.
post #7 of 7
That sounds like it should work pretty well to me.
H2O^3
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Samsung 840 EVO Swiftech Apogee HD Windows 7 Professional 64-bit Dell U2414H 
MonitorMonitorMonitorKeyboard
Dell U2414H Dell U2414H LG 23" 1080p LED g710+ 
PowerCaseMouseAudio
OCZ ZT 750W Corsair Air 540 White G700 G930 
AudioOtherOtherOther
Z313 Swiftech MCP35X ST30 240mm GT-S 360mm 
OtherOtherOtherOther
EasyMountLCD 3+1 Pyramid Monitor Mount Fanatec CSR Wheel Fanatec CSR Elite Pedals Fanatec ClubSport Shifter SQ 
Other
Microsoft Xbox 360 Wired Controller 
CPUMotherboardGraphicsRAM
FX-6300 GA-970A-UD3 HD5450 Fanless Samsung 16GB ECC 1333MHz 
Hard DriveHard DriveCoolingOS
Western Digital Blue 250GB Western Digital Red 2TB Xigmatek Loki Windows Server 2012 
PowerCase
Rosewill Green 430W NZXT M59 
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Reply
H2O^3
(25 items)
 
Server
(10 items)
 
 
CPUMotherboardGraphicsRAM
2600k p8z77-v lk 780 classified hydro copper g.skill sniper 
Hard DriveCoolingOSMonitor
Samsung 840 EVO Swiftech Apogee HD Windows 7 Professional 64-bit Dell U2414H 
MonitorMonitorMonitorKeyboard
Dell U2414H Dell U2414H LG 23" 1080p LED g710+ 
PowerCaseMouseAudio
OCZ ZT 750W Corsair Air 540 White G700 G930 
AudioOtherOtherOther
Z313 Swiftech MCP35X ST30 240mm GT-S 360mm 
OtherOtherOtherOther
EasyMountLCD 3+1 Pyramid Monitor Mount Fanatec CSR Wheel Fanatec CSR Elite Pedals Fanatec ClubSport Shifter SQ 
Other
Microsoft Xbox 360 Wired Controller 
CPUMotherboardGraphicsRAM
FX-6300 GA-970A-UD3 HD5450 Fanless Samsung 16GB ECC 1333MHz 
Hard DriveHard DriveCoolingOS
Western Digital Blue 250GB Western Digital Red 2TB Xigmatek Loki Windows Server 2012 
PowerCase
Rosewill Green 430W NZXT M59 
  hide details  
Reply
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