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Closed loop cooling PSU question.

post #1 of 4
Thread Starter 
Hi, I have just placed an order for my first PC build. It includes a Cooler Master HAF 912 and a Corsair TX 750.

The Cooler Master 912 features a bottom mount for the PSU, and space so that bottom mounted PSU's can pull air from the bottom. I've done some reading on some other websites and a lot of builders prefer mounting the PSU so that it's intake fan is INSIDE the case. They say they get consistently lower case temps that way; rather than the closed loop there air is being pulled in from the bottom and exhausted out the back.

Here's my concerns with this: The PSU configured with the intake fan pulling air from the inside may give lower case temps, but I believe this is because it is pulling a marginal amount of that warm ambient air from the case into the PSU, and then out the back of the case. If I'm correct, this may show better thermals for the rest of your hardware, but what about the PSU? If it's pulling in 90ºF+ and it's circulating in the PSU, that wouldn't be as optimum as pulling room temp air from the outside?

Let me know your thoughts, I don't have much experience with these thing, like I said this is my first PC build.

Thanks in advance! =D
     
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post #2 of 4
It may lower the efficiency by a bit, but 90F is nothing.
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So Saxy I Jazzed
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post #3 of 4
The corsair unit is a fine piece of hardware and won't be bothered with a little bit of heat. What other hardware is going into your tower?
    
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post #4 of 4
Thread Starter 
Thank you for your replies guys. Here is a link to the main parts that are going into my first build.

I also decided to get: 2- 200mm LED fans. One for the front intake, and one for the top exhaust. That will require me to remove the existing front 120mm fan to make room for the 200mm. I will use that extra 120mm to push/pull the Hyper 212+

Also instead of relying on whatever thermal interface material that Cooler Master gives me with the CPU cooler, I have bought the small tube of Arctic Silver 5. Heard great stuff about it, hope it's not all hype because like I said, it's my first time building everything.
     
CPUMotherboardGraphicsRAM
Intel Pentium G2020 Ivy Bridge 2.9GHz ASRock H61M-DGS Integrated Intel HD Graphics (Don't Laugh!) G.SKILL Ripjaws Series 4GB (2 x 2GB) 
Hard DriveOptical DriveCoolingOS
Samsung P3 500GB 7200RPM LITE-ON DVD Burner Intel Stock CPU Cooler Windows 7 Home Premium 
MonitorKeyboardPowerCase
Acer G226HQLBbd Black 21.5" Razer Lycosa SeaSonic S12II S12II 380B 380W COUGAR Spike Black Steel / Plastic MicroATX Min... 
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CPUMotherboardGraphicsRAM
Intel Pentium G2020 Ivy Bridge 2.9GHz ASRock H61M-DGS Integrated Intel HD Graphics (Don't Laugh!) G.SKILL Ripjaws Series 4GB (2 x 2GB) 
Hard DriveOptical DriveCoolingOS
Samsung P3 500GB 7200RPM LITE-ON DVD Burner Intel Stock CPU Cooler Windows 7 Home Premium 
MonitorKeyboardPowerCase
Acer G226HQLBbd Black 21.5" Razer Lycosa SeaSonic S12II S12II 380B 380W COUGAR Spike Black Steel / Plastic MicroATX Min... 
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