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First Build Cooling Questions

post #1 of 2
Thread Starter 
Hello All..

I recently finished my first PC Build and it's running great so far.
Just had a couple questions about cooling.

Pertinent components..

i7 4770K
CM Haf X BE
msi z87 gd65 mobo

The mobo has 3 sys fan connectors and 2 cpu fan connectors. I have a Noctua cooling the cpu in cpu fan 1 slot. I connected the Haf x fans top back and front into sys fan slots 1 thru 3. I have not hooked up the side fan yet. Currently while watching twitch on one monitor and playing
Diablo 3 on another....im seeing max temps of 57c which im obviously ok with.

Questions are as follows:
Will the side fan make a difference in case temps? Use it as intended intake or switch to exhaust?

What temps does the mobo look at to control sys fan slots 1 thru 3? Does it matter which case fan is plugged into what slot?

I'm planning on adding another 200mm exhaust out the top as well.

Im not really stressing the cpu atm with what im doing...however.....Wildstar and 40 man raids are coming soon smile.gif might be looking into slight OCing as to not have the cpu bottleneck as is common with mmos. Any help would be appreciated.

PS. Running a single evga SC 780ti....maybe sli in the future.
post #2 of 2
"Will the side fan make a difference in case temps? Use it as intended intake or switch to exhaust?"
Generally side fans are used as an intake, to blow air into the central core of the case, and this extra air, if exhausted to maintain airflow, will give you slightly better temperatures. Generally, I go by the rule that front, bottom and side fans are intake, while rear and top fans are exhaust.

"What temps does the mobo look at to control sys fan slots 1 thru 3? Does it matter which case fan is plugged into what slot?"
I think that you're asking whether the motherboard uses core temperatures to adjust the fan speed on these headers - it won't. Motherboards will only automatically change the speed of fans based on temperature if they are plugged into the 4-pin 'PWM' header, but 3 pin fans can sometimes be manually controlled via. motherboard header voltage.

"I'm planning on adding another 200mm exhaust out the top as well."
This is a good idea, as any extra fans will usually be helpful. Try and balance the intake/exhaust fans as much as you can - I run dual 120mm fans at the front and one at the bottom, as well as dual 120s at the top and a single 120 at the back to exhaust air.


I hope I've cleared up a few things, any more questions, feel free to ask!
Schwarznobi
(13 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-6300 Six Core MSI 970A-G46 ASUS R9-280X DirectCU II  AVexir Core 8GB (2x4GB) 1866MHz DDR3 RAM 
Hard DriveOptical DriveCoolingOS
SanDisk Pulse 256GB SSD 24x DVD+/_RW Drive Custom Loop: Swiftech D5 Vario + EK V2 Top, EX2... Windows 7 Ultimate N 
MonitorKeyboardPowerCase
LG 24" IPS 1920x1080 CM Quickfire TK Cherry Reds XFX Core 850w PSU BitFenix Shinobi XL + Full Red Mesh Strips 
Mouse
Chinese Wireless Gaming Mouse - £5 and it's BRI... 
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Schwarznobi
(13 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-6300 Six Core MSI 970A-G46 ASUS R9-280X DirectCU II  AVexir Core 8GB (2x4GB) 1866MHz DDR3 RAM 
Hard DriveOptical DriveCoolingOS
SanDisk Pulse 256GB SSD 24x DVD+/_RW Drive Custom Loop: Swiftech D5 Vario + EK V2 Top, EX2... Windows 7 Ultimate N 
MonitorKeyboardPowerCase
LG 24" IPS 1920x1080 CM Quickfire TK Cherry Reds XFX Core 850w PSU BitFenix Shinobi XL + Full Red Mesh Strips 
Mouse
Chinese Wireless Gaming Mouse - £5 and it's BRI... 
  hide details  
Reply
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