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i7 2600k build with fan noise issue.

post #1 of 7
Thread Starter 
Hello Overclock community! I've just put together my i7 2600k two days ago and it runs great! 43C max testing with Skyrim.

Any how, I have one tiny problem. I did not notice this before because i've only had one pull fan on my Megahalems rev.B and i did NOT plug it in because i went back to do a wire tuck and forgot to plug it back in (i apologize if i offended anyone :-D). even without the pull fan, temps were maxed at 43C. I do not have a push fan because the RAM was in the way, but i have clearance now.

case: storm sniper
fan: Scythe S-Flex SFF21G 120mm Case Fan
cooler: megahalems rev.B

well today, I installed two Scythe S-Flex SFF21G 120mm Case Fan, push and pull. I noticed an unusually wirrring noise. I narrowed it down to the fan on the pulling side after switching the fans back and forth. on further note, the fans are not whirring when they are 1) on the push side 2) not mounted to the heatsink while spinning--they're quiet, in my opinion. and just to be clear any of the two fan-- alone or mounted as push-pull-- will make a whirring noise if it's on the pull side of the heatsink.

Is it normal for the pull fans to make a whirring noise?
If i'm doing something wrong with this cooling set up, please assist me.

thank you!
Megatroner
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 2600k MS P67A-G45 (B3) EVGA GTX 550Ti Corsair Vengeance  
Hard DriveCoolingKeyboardPower
Samsung SSD 830 Megahalems Rev.B  2x ASUS VH242H 23.6" SeaSonic x750 
Case
Cooler Master Storm Sniper 
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Megatroner
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 2600k MS P67A-G45 (B3) EVGA GTX 550Ti Corsair Vengeance  
Hard DriveCoolingKeyboardPower
Samsung SSD 830 Megahalems Rev.B  2x ASUS VH242H 23.6" SeaSonic x750 
Case
Cooler Master Storm Sniper 
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post #2 of 7
the whirling noise is from the pull fan creating turbulence, you can eliminate it by using what i call a "spacer", you can make one if you have a broken or useless 120mm fan, remove the motor and motor struts and you should have a just have a fan case, then you mount it to the pull fan, and then mount the spacer to the heatsink. it should reduce or eliminate the whirling noise.
Vaporizer
(16 items)
 
  
CPUMotherboardGraphicsRAM
4670K  Gryphon Z87 GTX 980 8GB 1600MHz CL11 Kingston  
RAMHard DriveHard DriveOS
8GB 1600Mhz CL11 Samsung ST1000LM035 Intel 530 Series 120GB Windows 10 Pro 
MonitorPowerCaseOther
Dell U2515H Fractal Design Edison M 550W In Win 303 White NZXT Hue+ 
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Vaporizer
(16 items)
 
  
CPUMotherboardGraphicsRAM
4670K  Gryphon Z87 GTX 980 8GB 1600MHz CL11 Kingston  
RAMHard DriveHard DriveOS
8GB 1600Mhz CL11 Samsung ST1000LM035 Intel 530 Series 120GB Windows 10 Pro 
MonitorPowerCaseOther
Dell U2515H Fractal Design Edison M 550W In Win 303 White NZXT Hue+ 
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post #3 of 7
Thread Starter 
i'm not too familiar what the motor struts are. I'm guessing i should cut everything out of the another 120mm fan except the casing and mount both on the pull side of the heatsink. i have a 120x25mm and a broken 120x25 mm fan, that just means i'm creating a 50mm thick fan. am i correct? thank you for your input.
Megatroner
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 2600k MS P67A-G45 (B3) EVGA GTX 550Ti Corsair Vengeance  
Hard DriveCoolingKeyboardPower
Samsung SSD 830 Megahalems Rev.B  2x ASUS VH242H 23.6" SeaSonic x750 
Case
Cooler Master Storm Sniper 
  hide details  
Reply
Megatroner
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 2600k MS P67A-G45 (B3) EVGA GTX 550Ti Corsair Vengeance  
Hard DriveCoolingKeyboardPower
Samsung SSD 830 Megahalems Rev.B  2x ASUS VH242H 23.6" SeaSonic x750 
Case
Cooler Master Storm Sniper 
  hide details  
Reply
post #4 of 7
make sure you mount the spacer to the heatsink and then the fan to the spacer. other than that yes you are correct.
Vaporizer
(16 items)
 
  
CPUMotherboardGraphicsRAM
4670K  Gryphon Z87 GTX 980 8GB 1600MHz CL11 Kingston  
RAMHard DriveHard DriveOS
8GB 1600Mhz CL11 Samsung ST1000LM035 Intel 530 Series 120GB Windows 10 Pro 
MonitorPowerCaseOther
Dell U2515H Fractal Design Edison M 550W In Win 303 White NZXT Hue+ 
  hide details  
Reply
Vaporizer
(16 items)
 
  
CPUMotherboardGraphicsRAM
4670K  Gryphon Z87 GTX 980 8GB 1600MHz CL11 Kingston  
RAMHard DriveHard DriveOS
8GB 1600Mhz CL11 Samsung ST1000LM035 Intel 530 Series 120GB Windows 10 Pro 
MonitorPowerCaseOther
Dell U2515H Fractal Design Edison M 550W In Win 303 White NZXT Hue+ 
  hide details  
Reply
post #5 of 7
Thread Starter 
thank you. +1
Megatroner
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 2600k MS P67A-G45 (B3) EVGA GTX 550Ti Corsair Vengeance  
Hard DriveCoolingKeyboardPower
Samsung SSD 830 Megahalems Rev.B  2x ASUS VH242H 23.6" SeaSonic x750 
Case
Cooler Master Storm Sniper 
  hide details  
Reply
Megatroner
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 2600k MS P67A-G45 (B3) EVGA GTX 550Ti Corsair Vengeance  
Hard DriveCoolingKeyboardPower
Samsung SSD 830 Megahalems Rev.B  2x ASUS VH242H 23.6" SeaSonic x750 
Case
Cooler Master Storm Sniper 
  hide details  
Reply
post #6 of 7
Thread Starter 
is the turbulence cause because the pull fan speed is too fast? or too slow? maybe i can set my fan speeds to different speeds to see if the whirring noise stops?

edit: found a fix.
Edited by khaxnguyen - 1/4/12 at 9:22pm
Megatroner
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 2600k MS P67A-G45 (B3) EVGA GTX 550Ti Corsair Vengeance  
Hard DriveCoolingKeyboardPower
Samsung SSD 830 Megahalems Rev.B  2x ASUS VH242H 23.6" SeaSonic x750 
Case
Cooler Master Storm Sniper 
  hide details  
Reply
Megatroner
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 2600k MS P67A-G45 (B3) EVGA GTX 550Ti Corsair Vengeance  
Hard DriveCoolingKeyboardPower
Samsung SSD 830 Megahalems Rev.B  2x ASUS VH242H 23.6" SeaSonic x750 
Case
Cooler Master Storm Sniper 
  hide details  
Reply
post #7 of 7
the turbulence is caused by the fans spinning fast, not slow.
Vaporizer
(16 items)
 
  
CPUMotherboardGraphicsRAM
4670K  Gryphon Z87 GTX 980 8GB 1600MHz CL11 Kingston  
RAMHard DriveHard DriveOS
8GB 1600Mhz CL11 Samsung ST1000LM035 Intel 530 Series 120GB Windows 10 Pro 
MonitorPowerCaseOther
Dell U2515H Fractal Design Edison M 550W In Win 303 White NZXT Hue+ 
  hide details  
Reply
Vaporizer
(16 items)
 
  
CPUMotherboardGraphicsRAM
4670K  Gryphon Z87 GTX 980 8GB 1600MHz CL11 Kingston  
RAMHard DriveHard DriveOS
8GB 1600Mhz CL11 Samsung ST1000LM035 Intel 530 Series 120GB Windows 10 Pro 
MonitorPowerCaseOther
Dell U2515H Fractal Design Edison M 550W In Win 303 White NZXT Hue+ 
  hide details  
Reply
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