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Fan Setup Changes?

post #1 of 4
Thread Starter 
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This is my current fan setup. The fan over the HDD trays is an Ultra Kaze 3000rpm blowing right across both GPU's. I left the 200 on the front as an intake. The Noctua blows across to the 120 Apevia exhausting out the back.

I replaced the top 200 with 2x 120 Apevias.

My question is will it be helpful to change the 3 Apevia fans to Ultra Kaze's? The CPU temp is excellent. I have it OC'd to 4.6ghz at 1.35v and it idles at like 34C and after hours of gaming never hits above 60C max.

The top GPU hits around 73-74C max and the bottom hovers around 66C. Would changing those 3 fans to Ultra Kaze's while keeping them as exhausts help at all?

Both GPU's are OC'd to 850/1700/2100 at 1.075v.

EDIT: I have also removed the bottom HDD box. I only use the top one. In between the GPU's is my Titanium HD.
post #2 of 4
If the CPU temp is excellent I don't see a reason for a change. THe ultra kaze's are normally used as cpu fans due to good statif pressure. They'll still probably be good as case fans though if you're willing to spend money on minimal changes.

I can speak from first hand experience. I replaced the stock lian li fans in my pc-v354a with gleid wing 12 pl's (coincidentally another high static-pressure fan) and didn't see more than two degrees difference in temps.

Another thing to consider is that the ultra-kaze fans are ungodly loud.
Kilgore Trout
(14 items)
 
  
CPUMotherboardGraphicsRAM
i7 950 EVGA X58 Sli Micro GTX 570 3x2GB G-Skill Ripjaw F3-12800CL8T 
Hard DriveOptical DriveCoolingOS
1TB Western Digital Black Caviar Asus CD+RW Noctua NH-C12p SE14 Windows 7 Home Premium x64 
MonitorKeyboardPowerCase
Samsung Syncmaster P2370HD TG3 BL82 w/ Cherry Clears Corsair AX850 Lian Li pc-v354a 
Mouse
Razer Death Adder 
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Kilgore Trout
(14 items)
 
  
CPUMotherboardGraphicsRAM
i7 950 EVGA X58 Sli Micro GTX 570 3x2GB G-Skill Ripjaw F3-12800CL8T 
Hard DriveOptical DriveCoolingOS
1TB Western Digital Black Caviar Asus CD+RW Noctua NH-C12p SE14 Windows 7 Home Premium x64 
MonitorKeyboardPowerCase
Samsung Syncmaster P2370HD TG3 BL82 w/ Cherry Clears Corsair AX850 Lian Li pc-v354a 
Mouse
Razer Death Adder 
  hide details  
Reply
post #3 of 4

My suggestions are shown in the pic below:-

 

1) Use a 120mm fan at case top front position for intake.  Reason:- to supply fresh air to the NH-D14

 

2) For case top rear position, use no fan.  Reason:- you want the hot exhaust from the NH-D14 to go horizontally straight out via the case rear fan.  Pulling the exhaust air vertically upward is not efficient and having such a fan will disrupt the horizontal airflow

 

3) Remove all harddisk holders except one to hold your single harddisk. Reason:- to minimize airflow restriction

 

4) Keep the harddisk cages to hold the fans.  If you have found other way to hold the fan, then ditch the fan cage

 

5) Use two 120mm fans to facilitate air movements to the two graphics cards' intake fan.  Notice that there is a 'dead zone' where there is relatively small forward air movement (ie the orange arc in the picture).  Therefore, position the fan (especially the upper one) so that the centre line aligns with the front of the card.  This will maximize the air moving into the gap between the two cards.  This is the best, short of using a funnel.

 

6) Move the Creative sound card (PCIEx1) from between the two cards to the top PCIEx1 slot of your Asus Sabertooth P67.  Reason:- maximize the gap for air to move into to cool the top card

 

7) Keep the Apevia fans and no need to change to Ultra Kaze

 

Corsair 650d.jpg


Edited by windfire - 2/1/12 at 4:33pm
post #4 of 4
Thread Starter 
Quote:
6) Move the Creative sound card (PCIEx1) from between the two cards to the top PCIEx1 slot of your Asus Sabertooth P67. Reason:- maximize the gap for air to move into to cool the top card

Awesome advice! I am going to do everything except possibly number 6. The reason is because I have the Asus Sabertooth and I have a 50cc fan that sticks up just enough to block the use of the top PCI slot. It's really annoying. I was thinking about removing the little sucker and testing your setup above without it.

I may try both ways. Thanks +Rep.
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