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Cooling options for my Corsair Obsidian 250D

post #1 of 4
Thread Starter 
Firstly, my system is a 6600k processor water cooled by a corsair H80i mounted as an intake in the front along with a 980 Ti reference card in a Corsair 250D case which I build just over a month ago. I have realised that my GPU was running super hot for sometime now(84 degrees Celcius) and decided to open the case and give it a look. What suprised me was that the single 120mm fan on the side had died and the only fan that was on the system was the 120mm radiator as an intake and my reference graphics card which acted as an exhaust.

With this I basically plan to buy whole new fans for my system and need help optimising airflow. I have a few routes I do plan to go in terms of cooling.

Get a 140mm static pressure fan as the intake at the front of the case. Shift my H80i's radiator to the side of the case to act as intake and add another 120mm fan as intake. For exhaust I will add 2x 80mm fans on the back of the case. This means that I have 3 intakes blowing onto the motherboard and the only exhaust I have are the two 60mm fans on the back and my graphics card(since it's a blower style reference card) along with passive exhaust. This way I'd have positive air pressure which is good as it prevents dust from seeping in through the gaps of the case

Or could I just leave the H80i's radiator there as intake at the front panel and add 2 more 120mm fans at the side as intakes so I only get exhaust passively and through my GPU?
Another more overkill thing is to maybe get the Corsair GPU Bracket and a Corsair H100i and mount the H100i at the sides and H80i which connects to my CPU to the front to act as intake. Also from there I'd be installing 2x 80mm fans on the back.

If the first option can bring my GPU temperatures down to around 70 to high 70s I would gladly do it.

Any advice? I'm not really experienced with ventilation especially with small form factor cases.
post #2 of 4
Since your GPU exhausts out of the case you could have your H80i mounted in the rear as an exhaust, and use your front fans as intakes.
I did the same in the past with older configurations and am doing the same now (mostly) with a top-mounted H100 and front intakes.

While Corsair recommends you configure the fans as intake it's not always the best choice for overall case-flow and cooling.
Stugots III
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7 3770K @ 4.5GHz ASUS Maximus V Gene EVGA GTX 1060 SC 2x8GB G.Skill 2133MHz 
Hard DriveOptical DriveCoolingOS
250GB 850-EVO | 1TB EZEX | 2TB F4 It BURNS! H100i | NB Pros Windows 10 Pro x64 
MonitorKeyboardPowerCase
ASUS VE258Q Filco Majestouch I Seasonic X-560w Fractal Arc Mini R2 
MouseMouse PadAudioAudio
Logitech G502 Corsair MM300 HT Omega eClaro SHURE SRH-840 | Audioengine A2+S8 
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Stugots III
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7 3770K @ 4.5GHz ASUS Maximus V Gene EVGA GTX 1060 SC 2x8GB G.Skill 2133MHz 
Hard DriveOptical DriveCoolingOS
250GB 850-EVO | 1TB EZEX | 2TB F4 It BURNS! H100i | NB Pros Windows 10 Pro x64 
MonitorKeyboardPowerCase
ASUS VE258Q Filco Majestouch I Seasonic X-560w Fractal Arc Mini R2 
MouseMouse PadAudioAudio
Logitech G502 Corsair MM300 HT Omega eClaro SHURE SRH-840 | Audioengine A2+S8 
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post #3 of 4
Thread Starter 
Quote:
Originally Posted by candy_van View Post

Since your GPU exhausts out of the case you could have your H80i mounted in the rear as an exhaust, and use your front fans as intakes.
I did the same in the past with older configurations and am doing the same now (mostly) with a top-mounted H100 and front intakes.

While Corsair recommends you configure the fans as intake it's not always the best choice for overall case-flow and cooling.
The thing is that the back only has space for two 80mm fans so I can't mount the radiator behind.

Currently I think I am going to mount two 120mm on the sides as intakes and leave the H80i intake at the front as well. This way I'd have the GPU as exhaust and also using the 2x 80mm fans as exhaust also.
post #4 of 4
Ah OK I see, how about you put the H80 as exhaust by the CPU, keep the front as intake and the GPU should just pull in air from outside the case.
The blower/fan should be siting near all that exhaust mesh.
Stugots III
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7 3770K @ 4.5GHz ASUS Maximus V Gene EVGA GTX 1060 SC 2x8GB G.Skill 2133MHz 
Hard DriveOptical DriveCoolingOS
250GB 850-EVO | 1TB EZEX | 2TB F4 It BURNS! H100i | NB Pros Windows 10 Pro x64 
MonitorKeyboardPowerCase
ASUS VE258Q Filco Majestouch I Seasonic X-560w Fractal Arc Mini R2 
MouseMouse PadAudioAudio
Logitech G502 Corsair MM300 HT Omega eClaro SHURE SRH-840 | Audioengine A2+S8 
  hide details  
Reply
Stugots III
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7 3770K @ 4.5GHz ASUS Maximus V Gene EVGA GTX 1060 SC 2x8GB G.Skill 2133MHz 
Hard DriveOptical DriveCoolingOS
250GB 850-EVO | 1TB EZEX | 2TB F4 It BURNS! H100i | NB Pros Windows 10 Pro x64 
MonitorKeyboardPowerCase
ASUS VE258Q Filco Majestouch I Seasonic X-560w Fractal Arc Mini R2 
MouseMouse PadAudioAudio
Logitech G502 Corsair MM300 HT Omega eClaro SHURE SRH-840 | Audioengine A2+S8 
  hide details  
Reply
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